{ "name": "Trailer Landing Gear Component and Ratings Reference", "version": "1.1.0", "verified_date": "2026-09-16", "publisher": "Allentown Dock Door Repair Research", "canonical_url": "https://allentowndockdoorrepair.com/research/trailer-landing-gear-parts-diagram/", "methodology": { "selection": "Purposive primary-document compilation, not representative equipment sampling.", "component_scope": "HOLLAND legacy 51000 panel and identified separate Mark V references; JOST LT LG400-01 RevD and named manuals.", "ratio_formula": "crank turns = travel in inches * manufacturer published turns per inch", "ratio_precision": "Exact decimal products of the printed inputs; no measurement or rounding to a complete revolution.", "high_gear_limit": "Unloaded leg travel only; not a lifting instruction.", "pa_formula": "TRAILER 3001-10000 lb + TRAILER 10001 lb or more; combined local record adds Lehigh and Northampton.", "pa_population": "Active registrations as of 2025-12-31; not an inspection population and not an equipment count.", "empty_numeric_fields": "Not verified or not published for this comparison; never zero.", "source_date_policy": "Printed revision/date only; hosting-path years not treated as publication dates." }, "component_index": [ { "row_id": "component-01", "group": "Upper leg", "component": "Upper housing, left and right", "function": "Fixed outer housing attached through the mounting structure.", "saf_holland_callout": "1A / 1B", "jost_callout": "1 / 2", "source_locator": "H1 51000; J1 assembly rows", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "Housing only; handedness and speed designations are document-specific.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-02", "group": "Upper leg", "component": "Top cover and gasket", "function": "Closes the upper leg over its internal drive.", "saf_holland_callout": "15 cover; 14 gasket", "jost_callout": "13 two-speed cover; 14 one-speed cover", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "J1 does not assign a separate gasket locator in this row.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-03", "group": "Upper leg", "component": "Grease fitting", "function": "Lubrication fitting; source quantities apply only to the named configuration.", "saf_holland_callout": "10", "jost_callout": "21", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "H1 lists two on a one-speed leg and three on a two-speed leg; do not transfer that quantity to JOST.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-04", "group": "Bevel drive", "component": "Bevel gear", "function": "Part of the right-angle drive inside the leg.", "saf_holland_callout": "7", "jost_callout": "16", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "Match the model and source drawing before using an item number.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-05", "group": "Bevel drive", "component": "Pinion gear", "function": "Mates with the bevel gear in the internal drive.", "saf_holland_callout": "8", "jost_callout": "15, explicitly one-speed", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "JOST item 15 is labelled one-speed; not a universal two-speed pinion number.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-06", "group": "Bevel drive", "component": "Woodruff key / drive or retaining pin", "function": "Keys and pins secure particular components to their shafts.", "saf_holland_callout": "9 Woodruff key; 6 drive pin", "jost_callout": "19 grooved pin; 33 roll pin; 34 spiral pin", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "Different fastener types, locations and quantities; not substitute parts.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-07", "group": "Gearbox", "component": "Gearbox outside half and inside-half boss", "function": "Model-specific two-speed gearbox enclosure and supporting boss.", "saf_holland_callout": "20 outside half; 36 inside-half boss", "jost_callout": "No separate external gearbox half identified", "source_locator": "H1 51000; J1; J4 internal gearbox", "source_ids": "H1;J1;J4", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en;https://jostinternational.com/landing-gear-a400-series", "limitation": "JOST internal gearing is not absent merely because there is no matching external half.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-08", "group": "Gearbox", "component": "Input gear, high and low", "function": "Input gearing associated with speed selection.", "saf_holland_callout": "24", "jost_callout": "38 input gear shaft; 40 input spur gear", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "Related drive references; not a one-to-one component equivalence.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-09", "group": "Gearbox", "component": "Idler gear", "function": "Intermediate gear in the HOLLAND gearbox.", "saf_holland_callout": "30", "jost_callout": "No component named idler gear in J1", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "Do not relabel JOST item 30, a bushing, as an idler gear.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-10", "group": "Gearbox", "component": "Output gear", "function": "Output gearing in the model-specific drive train.", "saf_holland_callout": "22", "jost_callout": "37 output cluster gear; 39 output spur gear", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "Cluster and spur references are distinct, not interchangeable names for one part.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-11", "group": "Gearbox", "component": "Shift shaft, lock ball and spring", "function": "Speed selector and its detent components.", "saf_holland_callout": "27 shaft; 28 ball; 29 spring", "jost_callout": "38 input gear shaft; 41 detent spring; 42 detent ball; 43 shift housing", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "Lists a mechanism and its separate components, not one shared replacement assembly.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-12", "group": "Gearbox", "component": "Gearbox boss and shaft supports", "function": "Supports for shafts in the relevant gearbox arrangement.", "saf_holland_callout": "35 bosses; 36 inside-half boss", "jost_callout": "30 bushing / bushing and seals", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "A boss, bushing and complete gearbox half are different component types.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-13", "group": "Drive train", "component": "Jack shaft, left and right", "function": "Model-specific shafts that carry drive into each leg.", "saf_holland_callout": "12 LH; 23 RH", "jost_callout": "17 one-speed pinion shaft; 28 output shaft", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "LH and RH are alternatives for their respective legs, not a second shaft added to one leg.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-14", "group": "Drive train", "component": "Cross shaft", "function": "Mechanical connection that carries crank drive between the legs.", "saf_holland_callout": "H2 section 6, cross shaft reference", "jost_callout": "11", "source_locator": "H2 section 6; J1 individual components", "source_ids": "H2;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "No 51000 wall-chart callout assigned here; not structural cross bracing.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-15", "group": "Drive train", "component": "Crank handle", "function": "Handle through which the manual drive receives input.", "saf_holland_callout": "H2 section 6, crank handle reference", "jost_callout": "50 standard crank with hardware", "source_locator": "H2 section 6; J1 individual components", "source_ids": "H2;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "JOST item 50 includes hardware; neither reference is a universal handle specification.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-16", "group": "Drive train", "component": "Crank hanger", "function": "Support in which the handle is stowed.", "saf_holland_callout": "H2 sections 6–7, crank hanger reference", "jost_callout": "7", "source_locator": "H2 sections 6–7; J1 individual components", "source_ids": "H2;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "B10261 is the JOST part number, not the drawing callout.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-17", "group": "Screw assembly", "component": "Lift screw", "function": "Threaded component in the leg-extension mechanism.", "saf_holland_callout": "H2 sections 8–9; retract assembly context", "jost_callout": "J3 printed page 5, lift screw", "source_locator": "H2 sections 8–9; J3 printed page 5", "source_ids": "H2;J3", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/LT-LG400-13-Inspection-Maintenance-Procedures.pdf?hsLang=en", "limitation": "Terminology reference, not proof that a bare screw is supplied separately.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-18", "group": "Screw assembly", "component": "Lift nut / riser nut", "function": "Nut paired with the screw in the retract mechanism.", "saf_holland_callout": "H2 sections 8 and 9", "jost_callout": "J3 printed page 5, lift nut", "source_locator": "H2 sections 8–9; J3 printed page 5", "source_ids": "H2;J3", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/LT-LG400-13-Inspection-Maintenance-Procedures.pdf?hsLang=en", "limitation": "A nut is not the entire screw-and-retract-tube assembly.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-19", "group": "Screw assembly", "component": "Collar and thrust bearing", "function": "Separate collar and bearing references in the load-supporting mechanism.", "saf_holland_callout": "3 collar; 4 thrust bearing", "jost_callout": "27 collar; 26 thrust bearing", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "Two components in each list; no shared dimensions or ratings inferred.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-20", "group": "Lower leg", "component": "Retract tube / lower leg assembly", "function": "Extending inner-leg assembly; contents depend on configuration.", "saf_holland_callout": "2A–2D", "jost_callout": "3–6", "source_locator": "H1 51000; J1 assembly rows", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "Bare tube, screw assembly and complete lower-leg assembly are not automatically equivalent.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-21", "group": "Footwear", "component": "Sand shoe / skid foot", "function": "Axle-mounted foot configuration shown in the selected drawing.", "saf_holland_callout": "38", "jost_callout": "46", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "This row does not describe every available footwear type.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-22", "group": "Footwear", "component": "Foot axle", "function": "Axle reference for the axle-mounted footwear.", "saf_holland_callout": "39", "jost_callout": "47", "source_locator": "H1 51000; J1 individual components", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "Applies to axle-equipped configurations, not every cushion-foot assembly.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-23", "group": "Footwear", "component": "Removable cushion foot", "function": "Foot assembly with separately identified cushioning components in H1.", "saf_holland_callout": "41 plate; 42 rubber; 44 removable foot", "jost_callout": "4–6 cushion-foot lower-leg assemblies", "source_locator": "H1 51000; J1 assembly rows", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "A HOLLAND foot component is not equivalent to a complete JOST lower leg.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-24", "group": "Bracing", "component": "Brace ear / brace lug", "function": "Attachment reference for structural bracing.", "saf_holland_callout": "H2 section 4, strut bracket", "jost_callout": "8 flat; 9 90-degree; 10 W", "source_locator": "H2 section 4; J1 individual components", "source_ids": "H2;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "limitation": "Attachment variants, not complete braces or proof of interchangeability.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row_id": "component-25", "group": "Bracing", "component": "Strut bracket and strut brace", "function": "Structural bracing and its connection to the leg.", "saf_holland_callout": "H2 section 4, bracing references", "jost_callout": "J2 printed page 2, bracing diagrams", "source_locator": "H2 section 4; J2 printed page 2", "source_ids": "H2;J2", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/LT-LG01-10-Landing-Gear-Installation-Guide.pdf?hsLang=en", "limitation": "No universal JOST strut item number assigned; configuration depends on the installation.", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" } ], "nomenclature_crosswalk": [ { "row": 1, "row_id": "term-01", "function": "Right-angle gear pair in the leg", "saf_holland_published_names": "Bevel gear; pinion gear", "jost_published_names": "Bevel gear; pinion gear — one-speed reference", "relationship_and_limits": "Shared basic terms; JOST includes a speed qualifier.", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 2, "row_id": "term-02", "function": "Distance the leg moves", "saf_holland_published_names": "Travel", "jost_published_names": "Travel", "relationship_and_limits": "A distance, not a gear ratio or a complete product specification.", "source_ids": "H2;J5", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-A4-002-A440-Product-Flyer.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 3, "row_id": "term-03", "function": "The nut paired with the screw", "saf_holland_published_names": "Lift nut; riser nut", "jost_published_names": "Lift nut", "relationship_and_limits": "Same mechanism family; no cross-brand fitment implied.", "source_ids": "H2;J3", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/LT-LG400-13-Inspection-Maintenance-Procedures.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 4, "row_id": "term-04", "function": "Shaft between the two legs", "saf_holland_published_names": "Cross shaft; cross driveshaft", "jost_published_names": "Cross shaft", "relationship_and_limits": "Drive connection, distinct from structural bracing.", "source_ids": "H2;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 5, "row_id": "term-05", "function": "Category name for feet in ordering codes", "saf_holland_published_names": "Foot Ware; footware", "jost_published_names": "Footwear", "relationship_and_limits": "Document spelling differs; the variants remain configuration-specific.", "source_ids": "H2;J5", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-A4-002-A440-Product-Flyer.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 6, "row_id": "term-06", "function": "Screw and screw-assembly references", "saf_holland_published_names": "Lift-screw assembly; lift screw; inner leg screw; retracting screw", "jost_published_names": "Lift screw", "relationship_and_limits": "An assembly label is not proof that every term denotes the same separately supplied part.", "source_ids": "H2;J3", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/LT-LG400-13-Inspection-Maintenance-Procedures.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 7, "row_id": "term-07", "function": "Upper leg", "saf_holland_published_names": "Upper housing; upper leg", "jost_published_names": "Upper housing two-speed; upper housing one-speed", "relationship_and_limits": "Housing scope only; not the complete leg.", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 8, "row_id": "term-08", "function": "Axle-mounted load-spreading foot", "saf_holland_published_names": "Sandshoe — 51000; skid foot — Mark V", "jost_published_names": "Shoe", "relationship_and_limits": "Named footwear variants, not interchangeable feet.", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 9, "row_id": "term-09", "function": "Shaft carrying drive into the leg", "saf_holland_published_names": "Jack shaft LH; jackshaft RH — 51000", "jost_published_names": "Pinion shaft — one-speed; output shaft", "relationship_and_limits": "Shaft roles are related; a shift shaft is a separate reference.", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 10, "row_id": "term-10", "function": "Where the handle is stowed", "saf_holland_published_names": "Crank hanger; optional crankshaft bracket — Mark V", "jost_published_names": "Crank hanger", "relationship_and_limits": "Optional bracket and hanger entries must not be merged into one part.", "source_ids": "H1;H2;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 11, "row_id": "term-11", "function": "Lower or inner leg", "saf_holland_published_names": "Retract tube assembly — 51000; inner leg & screw assembly — Mark V", "jost_published_names": "Lower leg assembly, with listed footwear configurations", "relationship_and_limits": "Different assembly contents are retained rather than declared synonymous.", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 12, "row_id": "term-12", "function": "Attachment for structural bracing", "saf_holland_published_names": "Strut bracket — Atlas manual; brace lug — Mark V", "jost_published_names": "Brace lug — flat; 90-degree; W", "relationship_and_limits": "Related attachment types; not interchangeable mounting kits.", "source_ids": "H1;H2;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 13, "row_id": "term-13", "function": "The handle", "saf_holland_published_names": "Crank handle", "jost_published_names": "Standard crank with hardware", "relationship_and_limits": "The JOST item explicitly includes hardware.", "source_ids": "H2;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 14, "row_id": "term-14", "function": "Mounting orientation", "saf_holland_published_names": "Outside (conventional); inside (reverse)", "jost_published_names": "Outside mount; inside mount", "relationship_and_limits": "Only the named model/configuration is being compared.", "source_ids": "H2;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 15, "row_id": "term-15", "function": "Two-speed selector mechanism", "saf_holland_published_names": "Shift shaft; shift lock ball; shift lock spring", "jost_published_names": "Input gear shaft; detent ball; detent spring; shift housing", "relationship_and_limits": "Separate components, not several synonyms for one component.", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 16, "row_id": "term-16", "function": "Published headline load-rating label", "saf_holland_published_names": "Ultimate load capacity", "jost_published_names": "Max Static Load Rating / Maximum Static Load Rating", "relationship_and_limits": "Labels are preserved; their working-load meanings are not harmonized here.", "source_ids": "H3;H4;H5;J4;J5", "source_urls": "https://safholland.com/us/en/products/holland-mark-v-us;https://safholland.com/us/en/products/holland-atlas-55;https://safholland.com/us/en/products/holland-atlas-65;https://jostinternational.com/landing-gear-a400-series;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-A4-002-A440-Product-Flyer.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 17, "row_id": "term-17", "function": "Gearbox gear train", "saf_holland_published_names": "Input gear high/low; idler gear; output gear", "jost_published_names": "Input spur gear; output spur gear; output cluster gear", "relationship_and_limits": "Different gears and arrangements, not nine names for a single gear.", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 18, "row_id": "term-18", "function": "Cushioned foot and associated components", "saf_holland_published_names": "Removable cushion foot; cushion foot plate; rubber cushion", "jost_published_names": "Lower leg assembly with cushion foot configurations", "relationship_and_limits": "Component, footwear variant and lower-leg assembly are different levels of description.", "source_ids": "H1;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 19, "row_id": "term-19", "function": "Driving leg", "saf_holland_published_names": "Leg with gear box — Atlas identification", "jost_published_names": "Gear side leg (R) — A440 ordering diagram", "relationship_and_limits": "Document-specific leg designation; not a universal left/right mounting instruction.", "source_ids": "H2;J5", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-A4-002-A440-Product-Flyer.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 20, "row_id": "term-20", "function": "Driven leg", "saf_holland_published_names": "Leg without gear box — Atlas identification", "jost_published_names": "Non-gear side leg (L) — A440 ordering diagram", "relationship_and_limits": "No two-speed gearbox does not mean no internal gears.", "source_ids": "H2;J5;J1", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-A4-002-A440-Product-Flyer.pdf?hsLang=en;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 21, "row_id": "term-21", "function": "Complete device", "saf_holland_published_names": "Landing gear", "jost_published_names": "Landing gear", "relationship_and_limits": "Shared product-category name; trade nicknames are not counted as manufacturer differences.", "source_ids": "H2;J2", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/LT-LG01-10-Landing-Gear-Installation-Guide.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" }, { "row": 22, "row_id": "term-22", "function": "Structural bracing", "saf_holland_published_names": "Strut brace", "jost_published_names": "End bracing; cross bracing — installation guide", "relationship_and_limits": "Illustrated structural references; absence from a parts list does not mean absence from the installation.", "source_ids": "H2;J2", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/LT-LG01-10-Landing-Gear-Installation-Guide.pdf?hsLang=en", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star" } ], "capacity_gearing_ledger": [ { "row_id": "rating-01", "maker": "SAF-HOLLAND", "model": "HOLLAND MARK V", "lift_capacity_lb": 62500, "lift_torque_basis": "100 ft-lb input torque", "load_rating_lb": 200000, "makers_name_for_load_rating": "Ultimate load capacity", "side_load_lb": 32000, "side_load_basis_as_published": "not specified on the cited product page", "high_gear_turns_per_inch": "2.5", "low_gear_turns_per_inch": "33.8", "source_ids": "H3", "source_urls": "https://safholland.com/us/en/products/holland-mark-v-us", "source_locator": "Technical data / capacities and ratios", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star", "note": "Published manufacturer rating, not a trailer-specific safe working load or an independently certified test result." }, { "row_id": "rating-02", "maker": "SAF-HOLLAND", "model": "HOLLAND ATLAS 65", "lift_capacity_lb": 65000, "lift_torque_basis": "100 ft-lb input torque", "load_rating_lb": 170000, "makers_name_for_load_rating": "Ultimate load capacity", "side_load_lb": 34000, "side_load_basis_as_published": "not specified on the cited product page", "high_gear_turns_per_inch": "4.5", "low_gear_turns_per_inch": "38.6", "source_ids": "H5", "source_urls": "https://safholland.com/us/en/products/holland-atlas-65", "source_locator": "Technical data / capacities and ratios", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star", "note": "Published manufacturer rating, not a trailer-specific safe working load or an independently certified test result." }, { "row_id": "rating-03", "maker": "SAF-HOLLAND", "model": "HOLLAND ATLAS 55", "lift_capacity_lb": 55000, "lift_torque_basis": "100 ft-lb input torque", "load_rating_lb": 170000, "makers_name_for_load_rating": "Ultimate load capacity", "side_load_lb": 30000, "side_load_basis_as_published": "not specified on the cited product page", "high_gear_turns_per_inch": "4.5", "low_gear_turns_per_inch": "38.7", "source_ids": "H4", "source_urls": "https://safholland.com/us/en/products/holland-atlas-55", "source_locator": "Technical data / capacities and ratios", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star", "note": "Published manufacturer rating, not a trailer-specific safe working load or an independently certified test result." }, { "row_id": "rating-04", "maker": "SAF-HOLLAND", "model": "HOLLAND MARK V Heavy Duty", "lift_capacity_lb": 62500, "lift_torque_basis": "100 ft-lb input torque", "load_rating_lb": 200000, "makers_name_for_load_rating": "Ultimate load capacity", "side_load_lb": 46000, "side_load_basis_as_published": "not specified on the cited product page", "high_gear_turns_per_inch": "2.5", "low_gear_turns_per_inch": "33.8", "source_ids": "H9", "source_urls": "https://safholland.com/us/en/products/holland-mark-v-heavy-duty-us", "source_locator": "Technical data / capacities and ratios", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star", "note": "Published manufacturer rating, not a trailer-specific safe working load or an independently certified test result." }, { "row_id": "rating-05", "maker": "SAF-HOLLAND", "model": "HOLLAND Classic Gen II", "lift_capacity_lb": 39000, "lift_torque_basis": "100 ft-lb input torque", "load_rating_lb": 140000, "makers_name_for_load_rating": "Ultimate load capacity", "side_load_lb": 27000, "side_load_basis_as_published": "not specified on the cited product page", "high_gear_turns_per_inch": "3.2", "low_gear_turns_per_inch": "19.3", "source_ids": "H6;H7", "source_urls": "https://safholland.com/us/en/products/holland-classic;https://safholland.com/se/en/products/holland-classic", "source_locator": "Technical data / capacities and ratios; Technical data / capacities and ratios", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star", "note": "US page supplies capacities but omits ratios. Ratios are from SAF-HOLLAND Sweden/English Classic Gen II page; do not apply to every earlier Classic configuration." }, { "row_id": "rating-06", "maker": "JOST", "model": "A400", "lift_capacity_lb": 55000, "lift_torque_basis": "100 ft-lb input torque", "load_rating_lb": 160000, "makers_name_for_load_rating": "Maximum Static Load Rating / Max Static Load Rating", "side_load_lb": 29000, "side_load_basis_as_published": "per set", "high_gear_turns_per_inch": "3.5", "low_gear_turns_per_inch": "32", "source_ids": "J4", "source_urls": "https://jostinternational.com/landing-gear-a400-series", "source_locator": "Technical data / capacities and ratios", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star", "note": "Published manufacturer rating, not a trailer-specific safe working load or an independently certified test result." }, { "row_id": "rating-07", "maker": "JOST", "model": "A440 Magnum", "lift_capacity_lb": 62500, "lift_torque_basis": "100 ft-lb input torque", "load_rating_lb": 170000, "makers_name_for_load_rating": "Maximum Static Load Rating / Max Static Load Rating", "side_load_lb": 33000, "side_load_basis_as_published": "per set", "high_gear_turns_per_inch": "3.5", "low_gear_turns_per_inch": "32", "source_ids": "J5", "source_urls": "https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-A4-002-A440-Product-Flyer.pdf?hsLang=en", "source_locator": "SL-A4-002 RevD", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star", "note": "Published manufacturer rating, not a trailer-specific safe working load or an independently certified test result." }, { "row_id": "rating-08", "maker": "JOST", "model": "A450 Magnum", "lift_capacity_lb": 62500, "lift_torque_basis": "100 ft-lb input torque", "load_rating_lb": 170000, "makers_name_for_load_rating": "Maximum Static Load Rating / Max Static Load Rating", "side_load_lb": 33000, "side_load_basis_as_published": "per set", "high_gear_turns_per_inch": "3.5", "low_gear_turns_per_inch": "32", "source_ids": "J6", "source_urls": "https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-A4-003-A450-Product-Flyer.pdf?hsLang=en", "source_locator": "SL-A4-003 RevE", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star", "note": "Published manufacturer rating, not a trailer-specific safe working load or an independently certified test result." }, { "row_id": "rating-09", "maker": "JOST", "model": "H450 Magnum", "lift_capacity_lb": 70000, "lift_torque_basis": "100 ft-lb input torque", "load_rating_lb": 200000, "makers_name_for_load_rating": "Maximum Static Load Rating / Max Static Load Rating", "side_load_lb": 33000, "side_load_basis_as_published": "per set", "high_gear_turns_per_inch": "3.5", "low_gear_turns_per_inch": "32", "source_ids": "J7", "source_urls": "https://jostinternational.com/landing-gear-h450-series", "source_locator": "Technical data / capacities and ratios", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star", "note": "Published manufacturer rating, not a trailer-specific safe working load or an independently certified test result." }, { "row_id": "rating-10", "maker": "JOST", "model": "UL500 Ultralight", "lift_capacity_lb": 50000, "lift_torque_basis": "100 ft-lb input torque", "load_rating_lb": 160000, "makers_name_for_load_rating": "Maximum Static Load Rating / Max Static Load Rating", "side_load_lb": 26000, "side_load_basis_as_published": "per set", "high_gear_turns_per_inch": "3.5", "low_gear_turns_per_inch": "32", "source_ids": "J8", "source_urls": "https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-UL-001-UL500-Product-Flyer.pdf?hsLang=en", "source_locator": "SL-UL-001 RevC", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star", "note": "Published manufacturer rating, not a trailer-specific safe working load or an independently certified test result." }, { "row_id": "rating-11", "maker": "JOST", "model": "AX100 Alumilight", "lift_capacity_lb": 55000, "lift_torque_basis": "100 ft-lb input torque", "load_rating_lb": 160000, "makers_name_for_load_rating": "Maximum Static Load Rating / Max Static Load Rating", "side_load_lb": 29000, "side_load_basis_as_published": "per set", "high_gear_turns_per_inch": "3.5", "low_gear_turns_per_inch": "35", "source_ids": "J10;J9", "source_urls": "https://jostinternational.com/landing-gear-ax100-series;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-AX-002-AX-Series-Flyer.pdf?hsLang=en", "source_locator": "Technical data / capacities and ratios; SL-AX-002 RevA", "verified_date": "2026-09-16", "verification_status": "primary_document_checked", "tier": "star", "note": "Standard AX100. Ratios are specifically 3.5/35 in SL-AX-002 RevA page 2. The separate AX100 drop-leg page states 3.5/32 for a different configuration; do not merge them." }, { "row_id": "rating-12", "maker": "JOST", "model": "A400 Series Drop Leg", "lift_capacity_lb": 25000, "lift_torque_basis": "Maximum 40 ft-lb input torque; combined set", "load_rating_lb": 25000, "makers_name_for_load_rating": "Max Static Load Rating", "side_load_lb": null, "side_load_basis_as_published": "not stated on the cited page", "high_gear_turns_per_inch": "3.5", "low_gear_turns_per_inch": "32", "source_ids": "J11", "source_urls": "https://jostinternational.com/landing-gear-drop-legs", "source_locator": "A400 DROP LEGS capacities and ratios", "verified_date": "2026-09-16", "verification_status": "primary_document_checked; side-load numeric field withheld", "tier": "star", "note": "Separate drop-leg configuration. Published combined-set rating; properly braced on trailer; source limits torque to 40 ft-lb. Not comparable under Table 5 standard-model 100 ft-lb heading. No side-load figure verified." }, { "row_id": "rating-13", "maker": "JOST", "model": "AD500 Series", "lift_capacity_lb": null, "lift_torque_basis": "", "load_rating_lb": null, "makers_name_for_load_rating": "", "side_load_lb": null, "side_load_basis_as_published": "", "high_gear_turns_per_inch": null, "low_gear_turns_per_inch": null, "source_ids": "", "source_urls": "", "source_locator": "", "verified_date": "2026-09-16", "verification_status": "numeric_claims_withheld", "tier": "excluded", "note": "Retained from the submitted extended ledger as an exclusion record. No numeric rating is published because a matching manufacturer source was not verified for this audit; not zero and not a claim that no specification exists." }, { "row_id": "rating-14", "maker": "Pro-Par", "model": "PRO-CL22TAS", "lift_capacity_lb": null, "lift_torque_basis": "", "load_rating_lb": null, "makers_name_for_load_rating": "", "side_load_lb": null, "side_load_basis_as_published": "", "high_gear_turns_per_inch": null, "low_gear_turns_per_inch": null, "source_ids": "", "source_urls": "", "source_locator": "", "verified_date": "2026-09-16", "verification_status": "numeric_claims_withheld", "tier": "excluded", "note": "A distributor listing does not establish a verified manufacturer rating here. All numeric ratings and the asserted metric-origin explanation are withheld." }, { "row_id": "rating-15", "maker": "SAF-HOLLAND", "model": "JS-2000 dolly jack", "lift_capacity_lb": null, "lift_torque_basis": "", "load_rating_lb": null, "makers_name_for_load_rating": "", "side_load_lb": null, "side_load_basis_as_published": "", "high_gear_turns_per_inch": null, "low_gear_turns_per_inch": null, "source_ids": "", "source_urls": "", "source_locator": "", "verified_date": "2026-09-16", "verification_status": "numeric_claims_withheld", "tier": "excluded", "note": "Retained from the submitted extended ledger as an exclusion record. No numeric rating is published because a matching manufacturer source was not verified for this audit; not zero and not a claim that no specification exists." }, { "row_id": "rating-16", "maker": "SAF-HOLLAND", "model": "Dual-Pin Drop Leg", "lift_capacity_lb": null, "lift_torque_basis": "", "load_rating_lb": null, "makers_name_for_load_rating": "", "side_load_lb": null, "side_load_basis_as_published": "", "high_gear_turns_per_inch": null, "low_gear_turns_per_inch": null, "source_ids": "", "source_urls": "", "source_locator": "", "verified_date": "2026-09-16", "verification_status": "numeric_claims_withheld", "tier": "excluded", "note": "Retained from the submitted extended ledger as an exclusion record. No numeric rating is published because a matching manufacturer source was not verified for this audit; not zero and not a claim that no specification exists." }, { "row_id": "rating-17", "maker": "SAF-HOLLAND", "model": "48000 Series", "lift_capacity_lb": null, "lift_torque_basis": "", "load_rating_lb": null, "makers_name_for_load_rating": "", "side_load_lb": null, "side_load_basis_as_published": "", "high_gear_turns_per_inch": null, "low_gear_turns_per_inch": null, "source_ids": "", "source_urls": "", "source_locator": "", "verified_date": "2026-09-16", "verification_status": "numeric_claims_withheld", "tier": "excluded", "note": "Retained from the submitted extended ledger as an exclusion record. No numeric rating is published because a matching manufacturer source was not verified for this audit; not zero and not a claim that no specification exists." }, { "row_id": "rating-18", "maker": "SAF-HOLLAND", "model": "49000 Gooseneck", "lift_capacity_lb": null, "lift_torque_basis": "", "load_rating_lb": null, "makers_name_for_load_rating": "", "side_load_lb": null, "side_load_basis_as_published": "", "high_gear_turns_per_inch": null, "low_gear_turns_per_inch": null, "source_ids": "", "source_urls": "", "source_locator": "", "verified_date": "2026-09-16", "verification_status": "numeric_claims_withheld", "tier": "excluded", "note": "Retained from the submitted extended ledger as an exclusion record. No numeric rating is published because a matching manufacturer source was not verified for this audit; not zero and not a claim that no specification exists." }, { "row_id": "rating-19", "maker": "SAF-HOLLAND", "model": "Anti-Nose Dive", "lift_capacity_lb": null, "lift_torque_basis": "", "load_rating_lb": null, "makers_name_for_load_rating": "", "side_load_lb": null, "side_load_basis_as_published": "", "high_gear_turns_per_inch": null, "low_gear_turns_per_inch": null, "source_ids": "", "source_urls": "", "source_locator": "", "verified_date": "2026-09-16", "verification_status": "numeric_claims_withheld", "tier": "excluded", "note": "Retained from the submitted extended ledger as an exclusion record. No numeric rating is published because a matching manufacturer source was not verified for this audit; not zero and not a claim that no specification exists." }, { "row_id": "rating-20", "maker": "SAF-HOLLAND", "model": "JS150-SB", "lift_capacity_lb": null, "lift_torque_basis": "", "load_rating_lb": null, "makers_name_for_load_rating": "", "side_load_lb": null, "side_load_basis_as_published": "", "high_gear_turns_per_inch": null, "low_gear_turns_per_inch": null, "source_ids": "", "source_urls": "", "source_locator": "", "verified_date": "2026-09-16", "verification_status": "numeric_claims_withheld", "tier": "excluded", "note": "Retained from the submitted extended ledger as an exclusion record. No numeric rating is published because a matching manufacturer source was not verified for this audit; not zero and not a claim that no specification exists." } ], "crank_turns_computed": [ { "row_id": "crank-01-high", "maker": "SAF-HOLLAND", "model": "HOLLAND Mark V", "gear": "high", "turns_per_inch": "2.5", "turns_for_1_inches_travel": "2.5", "turns_for_3_inches_travel": "7.5", "turns_for_6_inches_travel": "15.0", "turns_for_12_inches_travel": "30.0", "turns_for_17_inches_travel": "42.5", "source_ids": "H3", "source_urls": "https://safholland.com/us/en/products/holland-mark-v-us", "formula": "crank turns = travel in inches * published crank turns per inch", "calculation_type": "computed_not_measured", "verified_date": "2026-09-16", "tier": "star", "note": "Manufacturer US product page. High gear: unloaded leg travel only. Travel lengths are comparison distances, not guaranteed available stroke. Handle turns are not multiplied by the number of connected legs." }, { "row_id": "crank-01-low", "maker": "SAF-HOLLAND", "model": "HOLLAND Mark V", "gear": "low", "turns_per_inch": "33.8", "turns_for_1_inches_travel": "33.8", "turns_for_3_inches_travel": "101.4", "turns_for_6_inches_travel": "202.8", "turns_for_12_inches_travel": "405.6", "turns_for_17_inches_travel": "574.6", "source_ids": "H3", "source_urls": "https://safholland.com/us/en/products/holland-mark-v-us", "formula": "crank turns = travel in inches * published crank turns per inch", "calculation_type": "computed_not_measured", "verified_date": "2026-09-16", "tier": "star", "note": "Manufacturer US product page. High gear: unloaded leg travel only. Travel lengths are comparison distances, not guaranteed available stroke. Handle turns are not multiplied by the number of connected legs." }, { "row_id": "crank-02-high", "maker": "JOST", "model": "A400 / A440 / A450 / H450 / UL500", "gear": "high", "turns_per_inch": "3.5", "turns_for_1_inches_travel": "3.5", "turns_for_3_inches_travel": "10.5", "turns_for_6_inches_travel": "21.0", "turns_for_12_inches_travel": "42.0", "turns_for_17_inches_travel": "59.5", "source_ids": "J4;J5;J6;J7;J8", "source_urls": "https://jostinternational.com/landing-gear-a400-series;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-A4-002-A440-Product-Flyer.pdf?hsLang=en;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-A4-003-A450-Product-Flyer.pdf?hsLang=en;https://jostinternational.com/landing-gear-h450-series;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-UL-001-UL500-Product-Flyer.pdf?hsLang=en", "formula": "crank turns = travel in inches * published crank turns per inch", "calculation_type": "computed_not_measured", "verified_date": "2026-09-16", "tier": "star", "note": "Only these five reviewed series. High gear: unloaded leg travel only. Travel lengths are comparison distances, not guaranteed available stroke. Handle turns are not multiplied by the number of connected legs." }, { "row_id": "crank-02-low", "maker": "JOST", "model": "A400 / A440 / A450 / H450 / UL500", "gear": "low", "turns_per_inch": "32", "turns_for_1_inches_travel": "32", "turns_for_3_inches_travel": "96", "turns_for_6_inches_travel": "192", "turns_for_12_inches_travel": "384", "turns_for_17_inches_travel": "544", "source_ids": "J4;J5;J6;J7;J8", "source_urls": "https://jostinternational.com/landing-gear-a400-series;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-A4-002-A440-Product-Flyer.pdf?hsLang=en;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-A4-003-A450-Product-Flyer.pdf?hsLang=en;https://jostinternational.com/landing-gear-h450-series;https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-UL-001-UL500-Product-Flyer.pdf?hsLang=en", "formula": "crank turns = travel in inches * published crank turns per inch", "calculation_type": "computed_not_measured", "verified_date": "2026-09-16", "tier": "star", "note": "Only these five reviewed series. High gear: unloaded leg travel only. Travel lengths are comparison distances, not guaranteed available stroke. Handle turns are not multiplied by the number of connected legs." }, { "row_id": "crank-03-high", "maker": "JOST", "model": "AX100 Alumilight — SL-AX-002 RevA", "gear": "high", "turns_per_inch": "3.5", "turns_for_1_inches_travel": "3.5", "turns_for_3_inches_travel": "10.5", "turns_for_6_inches_travel": "21.0", "turns_for_12_inches_travel": "42.0", "turns_for_17_inches_travel": "59.5", "source_ids": "J9", "source_urls": "https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-AX-002-AX-Series-Flyer.pdf?hsLang=en", "formula": "crank turns = travel in inches * published crank turns per inch", "calculation_type": "computed_not_measured", "verified_date": "2026-09-16", "tier": "star", "note": "Standard AX100 flyer; not the AX100 drop-leg product. High gear: unloaded leg travel only. Travel lengths are comparison distances, not guaranteed available stroke. Handle turns are not multiplied by the number of connected legs." }, { "row_id": "crank-03-low", "maker": "JOST", "model": "AX100 Alumilight — SL-AX-002 RevA", "gear": "low", "turns_per_inch": "35", "turns_for_1_inches_travel": "35", "turns_for_3_inches_travel": "105", "turns_for_6_inches_travel": "210", "turns_for_12_inches_travel": "420", "turns_for_17_inches_travel": "595", "source_ids": "J9", "source_urls": "https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-AX-002-AX-Series-Flyer.pdf?hsLang=en", "formula": "crank turns = travel in inches * published crank turns per inch", "calculation_type": "computed_not_measured", "verified_date": "2026-09-16", "tier": "star", "note": "Standard AX100 flyer; not the AX100 drop-leg product. High gear: unloaded leg travel only. Travel lengths are comparison distances, not guaranteed available stroke. Handle turns are not multiplied by the number of connected legs." }, { "row_id": "crank-04-high", "maker": "SAF-HOLLAND", "model": "HOLLAND Atlas 65", "gear": "high", "turns_per_inch": "4.5", "turns_for_1_inches_travel": "4.5", "turns_for_3_inches_travel": "13.5", "turns_for_6_inches_travel": "27.0", "turns_for_12_inches_travel": "54.0", "turns_for_17_inches_travel": "76.5", "source_ids": "H5", "source_urls": "https://safholland.com/us/en/products/holland-atlas-65", "formula": "crank turns = travel in inches * published crank turns per inch", "calculation_type": "computed_not_measured", "verified_date": "2026-09-16", "tier": "star", "note": "Manufacturer US product page. High gear: unloaded leg travel only. Travel lengths are comparison distances, not guaranteed available stroke. Handle turns are not multiplied by the number of connected legs." }, { "row_id": "crank-04-low", "maker": "SAF-HOLLAND", "model": "HOLLAND Atlas 65", "gear": "low", "turns_per_inch": "38.6", "turns_for_1_inches_travel": "38.6", "turns_for_3_inches_travel": "115.8", "turns_for_6_inches_travel": "231.6", "turns_for_12_inches_travel": "463.2", "turns_for_17_inches_travel": "656.2", "source_ids": "H5", "source_urls": "https://safholland.com/us/en/products/holland-atlas-65", "formula": "crank turns = travel in inches * published crank turns per inch", "calculation_type": "computed_not_measured", "verified_date": "2026-09-16", "tier": "star", "note": "Manufacturer US product page. High gear: unloaded leg travel only. Travel lengths are comparison distances, not guaranteed available stroke. Handle turns are not multiplied by the number of connected legs." }, { "row_id": "crank-05-high", "maker": "SAF-HOLLAND", "model": "HOLLAND Atlas 55", "gear": "high", "turns_per_inch": "4.5", "turns_for_1_inches_travel": "4.5", "turns_for_3_inches_travel": "13.5", "turns_for_6_inches_travel": "27.0", "turns_for_12_inches_travel": "54.0", "turns_for_17_inches_travel": "76.5", "source_ids": "H4", "source_urls": "https://safholland.com/us/en/products/holland-atlas-55", "formula": "crank turns = travel in inches * published crank turns per inch", "calculation_type": "computed_not_measured", "verified_date": "2026-09-16", "tier": "star", "note": "Manufacturer US product page. High gear: unloaded leg travel only. Travel lengths are comparison distances, not guaranteed available stroke. Handle turns are not multiplied by the number of connected legs." }, { "row_id": "crank-05-low", "maker": "SAF-HOLLAND", "model": "HOLLAND Atlas 55", "gear": "low", "turns_per_inch": "38.7", "turns_for_1_inches_travel": "38.7", "turns_for_3_inches_travel": "116.1", "turns_for_6_inches_travel": "232.2", "turns_for_12_inches_travel": "464.4", "turns_for_17_inches_travel": "657.9", "source_ids": "H4", "source_urls": "https://safholland.com/us/en/products/holland-atlas-55", "formula": "crank turns = travel in inches * published crank turns per inch", "calculation_type": "computed_not_measured", "verified_date": "2026-09-16", "tier": "star", "note": "Manufacturer US product page. High gear: unloaded leg travel only. Travel lengths are comparison distances, not guaranteed available stroke. Handle turns are not multiplied by the number of connected legs." }, { "row_id": "crank-06-high", "maker": "SAF-HOLLAND", "model": "HOLLAND Classic Gen II — regional reference", "gear": "high", "turns_per_inch": "3.2", "turns_for_1_inches_travel": "3.2", "turns_for_3_inches_travel": "9.6", "turns_for_6_inches_travel": "19.2", "turns_for_12_inches_travel": "38.4", "turns_for_17_inches_travel": "54.4", "source_ids": "H7", "source_urls": "https://safholland.com/se/en/products/holland-classic", "formula": "crank turns = travel in inches * published crank turns per inch", "calculation_type": "computed_not_measured", "verified_date": "2026-09-16", "tier": "star", "note": "SAF-HOLLAND Sweden/English page; not a universal earlier-Classic specification. High gear: unloaded leg travel only. Travel lengths are comparison distances, not guaranteed available stroke. Handle turns are not multiplied by the number of connected legs." }, { "row_id": "crank-06-low", "maker": "SAF-HOLLAND", "model": "HOLLAND Classic Gen II — regional reference", "gear": "low", "turns_per_inch": "19.3", "turns_for_1_inches_travel": "19.3", "turns_for_3_inches_travel": "57.9", "turns_for_6_inches_travel": "115.8", "turns_for_12_inches_travel": "231.6", "turns_for_17_inches_travel": "328.1", "source_ids": "H7", "source_urls": "https://safholland.com/se/en/products/holland-classic", "formula": "crank turns = travel in inches * published crank turns per inch", "calculation_type": "computed_not_measured", "verified_date": "2026-09-16", "tier": "star", "note": "SAF-HOLLAND Sweden/English page; not a universal earlier-Classic specification. High gear: unloaded leg travel only. Travel lengths are comparison distances, not guaranteed available stroke. Handle turns are not multiplied by the number of connected legs." } ], "inspection_rule_ledger": [ { "row_id": "rule-01", "rule": "Appendix A to 49 CFR Part 396", "jurisdiction": "Federal", "what_it_governs": "Minimum periodic inspection standards for covered commercial motor vehicles", "number_of_listed_items": "15 numbered categories", "landing_gear_named": "Not explicitly", "how_landing_gear_is_treated": "No separately named landing-gear item; this is not an exemption from general safety and maintenance duties.", "source_ids": "F1", "source_urls": "https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-396", "source_locator": "Appendix A", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" }, { "row_id": "rule-02", "rule": "49 CFR 396.11(a)(1)", "jurisdiction": "Federal", "what_it_governs": "Driver vehicle inspection report provisions, subject to statutory and regulatory scope", "number_of_listed_items": "11 listed groups", "landing_gear_named": "Not explicitly", "how_landing_gear_is_treated": "Required report content and reporting triggers must be read with the rest of 396.11; the list is not the full maintenance obligation.", "source_ids": "F1", "source_urls": "https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-396", "source_locator": "396.11(a)(1)–(2), (a)(5)", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" }, { "row_id": "rule-03", "rule": "49 CFR 396.11(b)(1)", "jurisdiction": "Federal", "what_it_governs": "Report of defects in intermodal equipment", "number_of_listed_items": "9 listed groups", "landing_gear_named": "Not explicitly", "how_landing_gear_is_treated": "The component list is in (b)(1), not (b)(2); the latter addresses report information.", "source_ids": "F1", "source_urls": "https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-396", "source_locator": "396.11(b)(1)–(2)", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" }, { "row_id": "rule-04", "rule": "49 CFR 392.7(a)", "jurisdiction": "Federal", "what_it_governs": "Driver equipment inspection and use before driving", "number_of_listed_items": "11 listed groups", "landing_gear_named": "Not explicitly", "how_landing_gear_is_treated": "Directly verified enumerated list; not an exemption from 396.3 or unsafe-operation prohibitions.", "source_ids": "F2", "source_urls": "https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-392", "source_locator": "392.7(a)", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" }, { "row_id": "rule-05", "rule": "49 CFR 392.7(b)", "jurisdiction": "Federal", "what_it_governs": "Driver inspection of intermodal equipment before over-road operation", "number_of_listed_items": "9 listed groups", "landing_gear_named": "Not explicitly", "how_landing_gear_is_treated": "Directly verified enumerated intermodal list.", "source_ids": "F2", "source_urls": "https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-392", "source_locator": "392.7(b)", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" }, { "row_id": "rule-06", "rule": "67 Pa. Code 175.130(c)(2)(vii)", "jurisdiction": "Pennsylvania", "what_it_governs": "Trailer safety-inspection rejection criteria within Subchapter G", "number_of_listed_items": "13 numbered vehicle-frame clauses", "landing_gear_named": "Yes", "how_landing_gear_is_treated": "Express landing-gear rejection provision; inspect actual applicability and exceptions separately.", "source_ids": "P1", "source_urls": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/bmv-manuals/pub_45-inspections-regulations/subchapterg.pdf", "source_locator": "Printed page 66; PDF page 6", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" }, { "row_id": "rule-07", "rule": "67 Pa. Code 175.128", "jurisdiction": "Pennsylvania", "what_it_governs": "Trailer chassis requirements", "number_of_listed_items": "Not a count used here", "landing_gear_named": "General chassis requirements", "how_landing_gear_is_treated": "The chassis must be in safe operating condition; one clause is not permission to overlook other safety defects.", "source_ids": "P1", "source_urls": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/bmv-manuals/pub_45-inspections-regulations/subchapterg.pdf", "source_locator": "175.128", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" }, { "row_id": "rule-08", "rule": "OSHA interpretation 1991-03-19", "jurisdiction": "Federal workplace interpretation", "what_it_governs": "Meaning of fixed jacks in historical correspondence", "number_of_listed_items": "Not applicable", "landing_gear_named": "Fixed jacks / nose cones", "how_landing_gear_is_treated": "Historical description of integral folding support equipment; not a declaration that all screw landing gear is adequate.", "source_ids": "O2", "source_urls": "https://www.osha.gov/laws-regs/standardinterpretations/1991-03-19-0", "source_locator": "Letter; corrected 2008-10-08", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" }, { "row_id": "rule-09", "rule": "AAR M-931 — manufacturer reference", "jurisdiction": "Industry reference", "what_it_governs": "SAF-HOLLAND manufacturer compliance and bracing references", "number_of_listed_items": "Full standard not examined", "landing_gear_named": "Not independently assessed", "how_landing_gear_is_treated": "Only the manufacturer’s attribution is published; no independent certification or standard-text finding.", "source_ids": "H2;H4;H5", "source_urls": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf;https://safholland.com/us/en/products/holland-atlas-55;https://safholland.com/us/en/products/holland-atlas-65", "source_locator": "H2 section 4; Atlas product pages", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "source_statement_only; full industry standards not assessed" }, { "row_id": "rule-10", "rule": "TTMA RP-4 — manufacturer reference", "jurisdiction": "Industry reference", "what_it_governs": "SAF-HOLLAND manufacturer performance statement", "number_of_listed_items": "Full standard not examined", "landing_gear_named": "Not independently assessed", "how_landing_gear_is_treated": "Only the manufacturer’s attribution is published; no unsupported test-method or edition claim.", "source_ids": "H4;H5", "source_urls": "https://safholland.com/us/en/products/holland-atlas-55;https://safholland.com/us/en/products/holland-atlas-65", "source_locator": "Atlas product pages", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "source_statement_only; full industry standards not assessed" }, { "row_id": "rule-11", "rule": "29 CFR 1910.178(k)(3)", "jurisdiction": "Federal workplace rule", "what_it_governs": "Support of uncoupled semitrailers during loading/unloading", "number_of_listed_items": "Conditional fixed-jack provision", "landing_gear_named": "Fixed jacks", "how_landing_gear_is_treated": "May be necessary; not a universal jack layout or a statement that support safety is optional.", "source_ids": "O1;O3", "source_urls": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.178;https://www.osha.gov/laws-regs/standardinterpretations/2008-04-14", "source_locator": "1910.178(k)(3); 2008 letter", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" }, { "row_id": "rule-12", "rule": "OSHA interpretation 2008-04-14", "jurisdiction": "Federal workplace interpretation", "what_it_governs": "Use of jack stands in stabilizing semitrailers", "number_of_listed_items": "Not applicable", "landing_gear_named": "Jack stands / fixed jacks", "how_landing_gear_is_treated": "No specified jack type, number or placement; trailer and jack manufacturer instructions remain relevant.", "source_ids": "O3", "source_urls": "https://www.osha.gov/laws-regs/standardinterpretations/2008-04-14", "source_locator": "Letter", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" }, { "row_id": "rule-13", "rule": "29 CFR 1910.178(m)(7)", "jurisdiction": "Federal workplace rule", "what_it_governs": "Truck/trailer loading and movement provisions", "number_of_listed_items": "Conditional fixed-jack provision", "landing_gear_named": "Fixed jacks", "how_landing_gear_is_treated": "A second occurrence of the conditional support wording; read alongside the paragraph’s other requirements.", "source_ids": "O1", "source_urls": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.178", "source_locator": "1910.178(m)(7)", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" }, { "row_id": "rule-14", "rule": "49 CFR 396.3(a)(1)", "jurisdiction": "Federal", "what_it_governs": "Systematic inspection, repair and maintenance", "number_of_listed_items": "General duty, not a closed checklist", "landing_gear_named": "Safety-affecting parts", "how_landing_gear_is_treated": "Includes additional parts and accessories that may affect safe operation.", "source_ids": "F1", "source_urls": "https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-396", "source_locator": "396.3(a)(1)", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" }, { "row_id": "rule-15", "rule": "49 CFR 396.7", "jurisdiction": "Federal", "what_it_governs": "Unsafe operations forbidden", "number_of_listed_items": "General prohibition", "landing_gear_named": "Not a component list", "how_landing_gear_is_treated": "Unsafe operation is not authorized because a particular part is unnamed in Appendix A.", "source_ids": "F1", "source_urls": "https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-396", "source_locator": "396.7", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" }, { "row_id": "rule-16", "rule": "75 Pa.C.S. 4703(b)(5) and (5.1)", "jurisdiction": "Pennsylvania", "what_it_governs": "Exceptions to state inspection-certificate requirement", "number_of_listed_items": "Two relevant exceptions, not the whole exception list", "landing_gear_named": "Not an equipment census", "how_landing_gear_is_treated": "Includes registered gross weight of 3000 lb or less and the stated federal-certificate exception above 17000 lb gross weight or GVWR.", "source_ids": "P2", "source_urls": "https://www.legis.state.pa.us/WU01/LI/LI/CT/HTM/75/00.047.003.000..HTM", "source_locator": "4703(b)(5), (5.1)", "verified_date": "2026-09-16", "tier": "star", "verification_scope": "primary_text_checked" } ], "pa_trailer_registrations": [ { "area": "Pennsylvania statewide", "trailers_3000_lb_or_less": 604430, "trailers_3001_to_10000_lb": 395176, "trailers_10001_lb_or_more": 319914, "trailers_over_3000_lb_total": 715090, "all_registered_vehicles": 11928274, "as_of_date": "2025-12-31", "row_id": "pa-01", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "1", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Lehigh County", "trailers_3000_lb_or_less": 11580, "trailers_3001_to_10000_lb": 7403, "trailers_10001_lb_or_more": 5764, "trailers_over_3000_lb_total": 13167, "all_registered_vehicles": 329806, "as_of_date": "2025-12-31", "row_id": "pa-02", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "21", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Northampton County", "trailers_3000_lb_or_less": 12829, "trailers_3001_to_10000_lb": 7759, "trailers_10001_lb_or_more": 7819, "trailers_over_3000_lb_total": 15578, "all_registered_vehicles": 297151, "as_of_date": "2025-12-31", "row_id": "pa-03", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "25", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Lehigh and Northampton combined", "trailers_3000_lb_or_less": 24409, "trailers_3001_to_10000_lb": 15162, "trailers_10001_lb_or_more": 13583, "trailers_over_3000_lb_total": 28745, "all_registered_vehicles": 626957, "as_of_date": "2025-12-31", "row_id": "pa-04", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "21 + 25, computed", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Allegheny County", "trailers_3000_lb_or_less": 27413, "trailers_3001_to_10000_lb": 16224, "trailers_10001_lb_or_more": 18562, "trailers_over_3000_lb_total": 34786, "all_registered_vehicles": 903520, "as_of_date": "2025-12-31", "row_id": "pa-05", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "2", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Berks County", "trailers_3000_lb_or_less": 18903, "trailers_3001_to_10000_lb": 13434, "trailers_10001_lb_or_more": 12823, "trailers_over_3000_lb_total": 26257, "all_registered_vehicles": 410650, "as_of_date": "2025-12-31", "row_id": "pa-06", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "4", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Bucks County", "trailers_3000_lb_or_less": 21532, "trailers_3001_to_10000_lb": 16113, "trailers_10001_lb_or_more": 11258, "trailers_over_3000_lb_total": 27371, "all_registered_vehicles": 597776, "as_of_date": "2025-12-31", "row_id": "pa-07", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "6", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Carbon County", "trailers_3000_lb_or_less": 5028, "trailers_3001_to_10000_lb": 2791, "trailers_10001_lb_or_more": 1336, "trailers_over_3000_lb_total": 4127, "all_registered_vehicles": 71179, "as_of_date": "2025-12-31", "row_id": "pa-08", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "8", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Cumberland County", "trailers_3000_lb_or_less": 13540, "trailers_3001_to_10000_lb": 8428, "trailers_10001_lb_or_more": 9325, "trailers_over_3000_lb_total": 17753, "all_registered_vehicles": 254536, "as_of_date": "2025-12-31", "row_id": "pa-09", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "12", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Dauphin County", "trailers_3000_lb_or_less": 14800, "trailers_3001_to_10000_lb": 9499, "trailers_10001_lb_or_more": 9960, "trailers_over_3000_lb_total": 19459, "all_registered_vehicles": 299568, "as_of_date": "2025-12-31", "row_id": "pa-10", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "12", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Franklin County", "trailers_3000_lb_or_less": 11809, "trailers_3001_to_10000_lb": 7428, "trailers_10001_lb_or_more": 5852, "trailers_over_3000_lb_total": 13280, "all_registered_vehicles": 179210, "as_of_date": "2025-12-31", "row_id": "pa-11", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "15", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Lancaster County", "trailers_3000_lb_or_less": 30631, "trailers_3001_to_10000_lb": 20999, "trailers_10001_lb_or_more": 22696, "trailers_over_3000_lb_total": 43695, "all_registered_vehicles": 533598, "as_of_date": "2025-12-31", "row_id": "pa-12", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "19", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Luzerne County", "trailers_3000_lb_or_less": 16620, "trailers_3001_to_10000_lb": 7955, "trailers_10001_lb_or_more": 8188, "trailers_over_3000_lb_total": 16143, "all_registered_vehicles": 300837, "as_of_date": "2025-12-31", "row_id": "pa-13", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "21", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Monroe County", "trailers_3000_lb_or_less": 9053, "trailers_3001_to_10000_lb": 5179, "trailers_10001_lb_or_more": 3465, "trailers_over_3000_lb_total": 8644, "all_registered_vehicles": 162900, "as_of_date": "2025-12-31", "row_id": "pa-14", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "24", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Montgomery County", "trailers_3000_lb_or_less": 17896, "trailers_3001_to_10000_lb": 14564, "trailers_10001_lb_or_more": 11765, "trailers_over_3000_lb_total": 26329, "all_registered_vehicles": 716209, "as_of_date": "2025-12-31", "row_id": "pa-15", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "24", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Philadelphia County", "trailers_3000_lb_or_less": 4514, "trailers_3001_to_10000_lb": 3438, "trailers_10001_lb_or_more": 7312, "trailers_over_3000_lb_total": 10750, "all_registered_vehicles": 752440, "as_of_date": "2025-12-31", "row_id": "pa-16", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "27", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Schuylkill County", "trailers_3000_lb_or_less": 9399, "trailers_3001_to_10000_lb": 5828, "trailers_10001_lb_or_more": 5533, "trailers_over_3000_lb_total": 11361, "all_registered_vehicles": 159587, "as_of_date": "2025-12-31", "row_id": "pa-17", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "28", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "York County", "trailers_3000_lb_or_less": 28651, "trailers_3001_to_10000_lb": 16622, "trailers_10001_lb_or_more": 12690, "trailers_over_3000_lb_total": 29312, "all_registered_vehicles": 482086, "as_of_date": "2025-12-31", "row_id": "pa-18", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "35", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." }, { "area": "Out-of-state category in PennDOT report", "trailers_3000_lb_or_less": 603, "trailers_3001_to_10000_lb": 1255, "trailers_10001_lb_or_more": 8948, "trailers_over_3000_lb_total": 10203, "all_registered_vehicles": 438480, "as_of_date": "2025-12-31", "row_id": "pa-19", "registration_category": "TRAILER; excludes separate CARGO TRL and RECR TRL rows", "inspection_scope": "not_determinable_from_registration_counts", "landing_gear_equipment_count": null, "source_ids": "P3", "source_url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "printed_page": "35", "verified_date": "2026-09-16", "tier": "star", "note": "Not an inspection population or landing-gear count. 75 Pa.C.S. 4703 exceptions cannot be applied from these aggregate data. Area selection is descriptive, not a county ranking." } ], "additional_article_tables": { "atlas_control_relationships": [ { "relationship": "Inward selector position", "outside_conventional": "High gear", "inside_reverse": "Low gear" }, { "relationship": "Outward selector position", "outside_conventional": "Low gear", "inside_reverse": "High gear" }, { "relationship": "Clockwise crank rotation", "outside_conventional": "Retracting direction", "inside_reverse": "Extending direction" }, { "relationship": "Counterclockwise crank rotation", "outside_conventional": "Extending direction", "inside_reverse": "Retracting direction" }, { "relationship": "Crank-hanger side in the manual", "outside_conventional": "Right", "inside_reverse": "Left" }, { "relationship": "Low-gear storage position in the manual", "outside_conventional": "Outward", "inside_reverse": "Inward" } ], "51000_two_speed_only_non_housing_references": [ { "shared_reference": "Upper housing, retract tube, collar and thrust bearing", "two_speed_only_item_number": 20, "description": "Outside gearbox half / listed fitting alternatives", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "Bevel gear and pinion gear", "two_speed_only_item_number": 36, "description": "Inside gearbox half / boss", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "Top cover and gasket; lubrication fittings", "two_speed_only_item_number": 21, "description": "Gearbox gasket", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "Footwear references and foot axle", "two_speed_only_item_number": 24, "description": "High/low input gear", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "Hex retainer and hex lock boss, with different quantities", "two_speed_only_item_number": 30, "description": "Idler gear", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "", "two_speed_only_item_number": 22, "description": "Output gear", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "", "two_speed_only_item_number": 23, "description": "Right-hand jackshaft alternative—not an extra second shaft added to the same leg", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "", "two_speed_only_item_number": 27, "description": "Shift shaft", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "", "two_speed_only_item_number": 28, "description": "Shift-lock ball", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "", "two_speed_only_item_number": 29, "description": "Shift-lock spring", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "", "two_speed_only_item_number": 34, "description": "Shift-lock boss", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "", "two_speed_only_item_number": 35, "description": "Gearbox bosses", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "", "two_speed_only_item_number": 31, "description": "Spacer bushing", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "", "two_speed_only_item_number": 26, "description": "Groove pin", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "", "two_speed_only_item_number": 19, "description": "Flat-washer entry", "source_ids": [ "H1" ], "verified_date": "2026-09-16" }, { "shared_reference": "", "two_speed_only_item_number": 47, "description": "Gearbox repair kit—service entry, not a single additional component", "source_ids": [ "H1" ], "verified_date": "2026-09-16" } ], "51000_count_scope": "16 distinct non-housing item numbers. Upper-housing alternative 1B excluded; includes a shaft alternative and service-kit entry. Not 16 additional individual components.", "article_inspection_comparison": [ { "rule": "Appendix A to 49 CFR Part 396", "scope": "Minimum periodic-inspection criteria for covered vehicles", "enumeration": "15 categories", "conclusion": "No separately named landing-gear item; not an exemption from other duties" }, { "rule": "49 CFR 396.11(a)(1)", "scope": "Driver vehicle inspection report provision for covered carrier equipment", "enumeration": "11 listed equipment groups", "conclusion": "Landing gear is not expressly named; reporting triggers and exceptions remain relevant" }, { "rule": "49 CFR 396.11(b)(1)", "scope": "Driver report provision for intermodal equipment", "enumeration": "9 listed equipment groups", "conclusion": "Landing gear is not expressly named; the correct equipment-list citation is (b)(1)" }, { "rule": "49 CFR 392.7(a)", "scope": "Driver’s equipment-condition check before driving covered carrier equipment", "enumeration": "11 listed equipment groups", "conclusion": "Landing gear is not expressly named in this enumeration" }, { "rule": "49 CFR 392.7(b)", "scope": "Driver’s equipment-condition check for intermodal equipment", "enumeration": "9 listed equipment groups", "conclusion": "Landing gear is not expressly named in this enumeration" }, { "rule": "49 CFR 396.3(a)(1)", "scope": "Systematic inspection, repair and maintenance", "enumeration": "General duty, not a closed component list", "conclusion": "Includes additional parts and accessories that may affect safe operation" }, { "rule": "49 CFR 396.7", "scope": "Unsafe operations forbidden", "enumeration": "General prohibition", "conclusion": "An unnamed component is not permission to operate an unsafe vehicle" }, { "rule": "67 Pa. Code §175.130(c)(2)(vii)", "scope": "Frame rejection criteria in the applicable Pennsylvania trailer inspection", "enumeration": "13 frame subparagraphs; landing gear is item (vii)", "conclusion": "Yes; applicability also requires reading 75 Pa.C.S. §4703 and its exceptions" } ], "term_distinctions": [ { "this": "Cross shaft", "not_this": "Structural bracing", "distinction": "Drive connection versus structural support.", "source_ids": [ "H2", "J2" ] }, { "this": "Crank handle", "not_this": "Crank hanger", "distinction": "Operated component versus stowage support.", "source_ids": [ "H2", "J1" ] }, { "this": "Upper housing", "not_this": "Complete leg assembly", "distinction": "Housing versus complete assembly.", "source_ids": [ "H1", "J1" ] }, { "this": "Top cover", "not_this": "Gearbox cover", "distinction": "Separate references in the external-gearbox drawing; not a universal JOST arrangement.", "source_ids": [ "H1", "J1" ] }, { "this": "Sand shoe", "not_this": "Cushion-foot assembly", "distinction": "Configuration and assembly differences; no interchangeability established.", "source_ids": [ "H1", "J1" ] } ] }, "source_register": [ { "id": "H1", "title": "SAF-HOLLAND Landing Gear Wall Chart", "url": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/Before%2520Empolis%2520Box%2520update/pLiterature/XL-LG11426AL_en-US.pdf", "scope": "51000 Standard middle panel for Tables 1 and 7; Mark V / Mark V Heavy Duty right panel only where expressly identified. Legacy reference.", "revision": "XL-LG11426AL-en-US Rev A; printed code 060812", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "H2", "title": "SAF-HOLLAND Atlas 55, Atlas 65 and Atlas iM Installation, Operation and Maintenance Manual", "url": "https://safholland.com/us/en/service/download-center/document/resource/environment/project1_p/documents/documentationP/2025/2025_01/XL-LG20004UM-en-US.pdf", "scope": "Identification, component terminology, model-specific controls and safety statements; not a repair tutorial.", "revision": "XL-LG20004UM-en-US Rev E", "publication_date": "2024-02-09", "verified_date": "2026-09-16" }, { "id": "H3", "title": "SAF-HOLLAND HOLLAND Mark V — US technical data", "url": "https://safholland.com/us/en/products/holland-mark-v-us", "scope": "Published model-specific capacities and turns per inch.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "H4", "title": "SAF-HOLLAND HOLLAND Atlas 55 — US technical data", "url": "https://safholland.com/us/en/products/holland-atlas-55", "scope": "Published model-specific capacities and turns per inch.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "H5", "title": "SAF-HOLLAND HOLLAND Atlas 65 — US technical data", "url": "https://safholland.com/us/en/products/holland-atlas-65", "scope": "Published model-specific capacities and turns per inch.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "H6", "title": "SAF-HOLLAND HOLLAND Classic Gen II — US technical data", "url": "https://safholland.com/us/en/products/holland-classic", "scope": "Published model-specific ratings. H6 omits ratios; H8 supplies the differing metric conversion; H9 is retained in the downloadable extended ledger.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "H8", "title": "SAF-HOLLAND HOLLAND Mark V — alternate manufacturer technical data", "url": "https://safholland.com/us/en/products/holland-mark-v-aus", "scope": "Published model-specific ratings. H6 omits ratios; H8 supplies the differing metric conversion; H9 is retained in the downloadable extended ledger.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "H9", "title": "SAF-HOLLAND HOLLAND Mark V Heavy Duty — US technical data", "url": "https://safholland.com/us/en/products/holland-mark-v-heavy-duty-us", "scope": "Published model-specific ratings. H6 omits ratios; H8 supplies the differing metric conversion; H9 is retained in the downloadable extended ledger.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "H7", "title": "SAF-HOLLAND HOLLAND Classic Gen II — Sweden/English technical data", "url": "https://safholland.com/se/en/products/holland-classic", "scope": "Regional manufacturer source for Classic Gen II ratios: 3.2 high and 19.3 low. Not a universal older-Classic fitment claim.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "J1", "title": "JOST Parts Breakdown", "url": "https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/Parts-Breakdown.pdf?hsLang=en", "scope": "Single PDF page printed Page 8 of 8. Standard A400/A401 and Magnum A440/A441 assembly rows; individual-component item locators. Not an all-model current bill of materials.", "revision": "LT LG400-01 RevD", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "J2", "title": "JOST Landing Gear Installation Guide", "url": "https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/LT-LG01-10-Landing-Gear-Installation-Guide.pdf?hsLang=en", "scope": "Printed page 2: end/cross bracing distinguished from cross shaft. No installation sequence reproduced.", "revision": "LT LG01-10 Rev.A", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "J3", "title": "JOST Landing Gear Operating, Inspection, Maintenance and Repair Procedures", "url": "https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/LT-LG400-13-Inspection-Maintenance-Procedures.pdf?hsLang=en", "scope": "Printed pages 4–6: mounting flange, lift screw/nut terminology and operating limits. No servicing sequence reproduced.", "revision": "LT LG400-13 RevG", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "J4", "title": "JOST A400 Series product page", "url": "https://jostinternational.com/landing-gear-a400-series", "scope": "A400 capacities, internal gearbox, torque condition and 3.5/32 turns per inch.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "J5", "title": "JOST A440 Magnum Series product flyer", "url": "https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-A4-002-A440-Product-Flyer.pdf?hsLang=en", "scope": "Two pages: A440 capacities, 3.5/32 turns per inch and scoped ordering-code example.", "revision": "SL-A4-002 RevD", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "J6", "title": "JOST A450 Magnum Series product flyer", "url": "https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-A4-003-A450-Product-Flyer.pdf?hsLang=en", "scope": "Two pages: A450 capacities and 3.5/32 turns per inch.", "revision": "SL-A4-003 RevE", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "J7", "title": "JOST H450 Series product page", "url": "https://jostinternational.com/landing-gear-h450-series", "scope": "H450 capacities, 100 ft-lb input-torque condition and 3.5/32 turns per inch.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "J8", "title": "JOST UL500 Ultralight Series product flyer", "url": "https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-UL-001-UL500-Product-Flyer.pdf?hsLang=en", "scope": "Two pages: UL500 capacities and 3.5/32 turns per inch.", "revision": "SL-UL-001 RevC", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "J9", "title": "JOST AX Alumilight Series product flyer", "url": "https://jostinternational.com/hubfs/Jost_International_April_2024/Pdf/SL-AX-002-AX-Series-Flyer.pdf?hsLang=en", "scope": "AX100 capacities; page 2 specifies 3.5 high and 35 low turns per inch. Figures attributed to this flyer revision.", "revision": "SL-AX-002 RevA", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "J10", "title": "JOST AX100/AX140/AX150 Alumilight product page", "url": "https://jostinternational.com/landing-gear-ax100-series", "scope": "AX100 capacities and 100 ft-lb torque condition; page does not separately state a turns-per-inch table.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "J11", "title": "JOST Drop Leg Product Line", "url": "https://jostinternational.com/landing-gear-drop-legs", "scope": "Configuration boundary: AX100 drop-leg ratings and ratios are not standard AX100 ratings. Supplemental A400 drop-leg data only where explicitly published.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "F1", "title": "eCFR — 49 CFR Part 396, Inspection, Repair, and Maintenance", "url": "https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-396", "scope": "Sections 396.3, 396.7, 396.11 and Appendix A; eCFR displayed text current through September 14, 2026 at review.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "F2", "title": "eCFR — 49 CFR Part 392, Driving of Commercial Motor Vehicles", "url": "https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-392", "scope": "Section 392.7(a) and (b): expressly enumerated driver equipment-check lists, not an exemption from other rules.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "P1", "title": "PennDOT Publication 45, Subchapter G — Recreational, Semi- and Utility Trailers", "url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/bmv-manuals/pub_45-inspections-regulations/subchapterg.pdf", "scope": "67 Pa. Code §§175.128 and 175.130; printed page 66 / PDF page 6 for landing-gear clause.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "P2", "title": "Pennsylvania General Assembly — 75 Pa.C.S. §4703, Operation of vehicle without official certificate of inspection", "url": "https://www.legis.state.pa.us/WU01/LI/LI/CT/HTM/75/00.047.003.000..HTM", "scope": "Inspection requirement and exceptions; subsection (b)(5) and federal-certificate exception (b)(5.1).", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "P3", "title": "PennDOT Bureau of Motor Vehicles — Report of Registrations, Calendar Year 2025", "url": "https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bmv/registration-reports/reportofregistration2025.pdf", "scope": "Active registrations December 31, 2025. County-summary TRAILER weight rows; separate CARGO TRL and RECR TRL categories are not included in our sums.", "revision": "Calendar year 2025", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "O1", "title": "OSHA — 29 CFR 1910.178, Powered industrial trucks", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.178", "scope": "Both (k)(3) and (m)(7) contain conditional fixed-jack language.", "revision": "", "publication_date": null, "verified_date": "2026-09-16" }, { "id": "O2", "title": "OSHA — Interpretation of the meaning of Fixed Jacks on trailers", "url": "https://www.osha.gov/laws-regs/standardinterpretations/1991-03-19-0", "scope": "Historical interpretation; correction note dated October 8, 2008. Not a blanket determination that screw landing gear is adequate.", "revision": "", "publication_date": "1991-03-19", "verified_date": "2026-09-16" }, { "id": "O3", "title": "OSHA — Use of jack stands in the stabilization of semi-trailers", "url": "https://www.osha.gov/laws-regs/standardinterpretations/2008-04-14", "scope": "Explains advisory wording, no specified jack type/number/placement, and manufacturer instructions for portable jacks.", "revision": "", "publication_date": "2008-04-14", "verified_date": "2026-09-16" } ], "version_history": [ { "version": "1.1.0", "date": "2026-09-16", "changes": [ "Corrected high-gear claim to unloaded travel.", "Scoped callouts to actual verified source revisions.", "Separated standard AX100 and drop-leg ratios.", "Corrected Classic Gen II low ratio to regional primary-source 19.3.", "Corrected federal-rule interpretation and intermodal locator.", "Preserved PA registration counts while removing inspection-population inference.", "Recorded manufacturer Mark V metric discrepancy without smoothing.", "Retained all original capacity-ledger rows; unsupported numeric cells blank.", "Generated actual deployable CSV and JSON resources." ] } ] }