{
  "title": "Semi-truck dimensions & weight",
  "canonicalUrl": "https://texastruckaccidentlawyer.com/semi-truck-dimensions-weight",
  "reviewedDate": "2026-09-13",
  "status": "verified_oem_nominal_lengths_other_dimensions_and_tares_unknown",
  "scopeNote": "Three brochure-listed trailer-only nominal lengths. No verified exterior width, height, complete combination length or configuration-specific empty weight is supplied. These are historical published examples, not a current inventory or typical-fleet survey.",
  "conversionProvenance": {
    "sourceId": "nist-si",
    "sourceUrl": "https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication811e2008.pdf",
    "factors": {
      "metresPerFoot": 0.3048,
      "centimetresPerInch": 2.54,
      "kilogramsPerPound": 0.45359237
    },
    "rounding": {
      "lengthMetresDecimals": 2,
      "dimensionCentimetresDecimals": 1,
      "weightKilogramsDecimals": 0
    },
    "classification": "Calculated unit equivalents, not independent measurements; regulatory equivalents are identified separately."
  },
  "caveats": [
    "Trailer length shown is trailer-only — not the full tractor-trailer rig length, which depends on the tractor and coupling.",
    "These are named trailer-only length examples, not a survey of typical truck sizes. Complete combination length depends on the tractor and coupled arrangement. For conventional truck-tractor/single-semitrailer combinations, FHWA describes no overall length limit on the National Network and reasonable-access routes; specialized vehicle rules differ."
  ],
  "configurations": [
    {
      "id": "flatbed-53",
      "label": "53-ft flatbed",
      "manufacturer": "Fontaine",
      "model": "Revolution 52",
      "variant": "Brochure-listed 53-ft option",
      "kind": "flatbed",
      "scope": "trailer-only",
      "notes": "Published nominal length, not an as-built measurement. Manufacturer brochure LT-078-R24, copyright 2020; current inventory availability is not asserted. Height, axle positions and tractor artwork are schematic.",
      "fieldProvenance": {
        "lengthFt": {
          "status": "supported",
          "value": 53,
          "unit": "ft",
          "measurementBasis": "published nominal trailer length",
          "sourceId": "fontaine-revolution",
          "sourceUrl": "https://fontainetrailer.com/app/uploads/2026/03/60c307c7a91af077ec2b2b8d_Rev-Brochure.pdf#page=4",
          "pageOrSection": "PDF page 4 of 4, Revolution 52 flatbed caption",
          "excerpt": "45', 48 or 53' wide spread air ride",
          "excerptNormalization": "whitespace only"
        },
        "widthIn": {
          "status": "unknown",
          "reason": "Exterior width not established for this length option in the reviewed brochure."
        },
        "heightIn": {
          "status": "unknown",
          "reason": "Exterior height not established for this length option in the reviewed brochure."
        },
        "emptyWeightLb": {
          "status": "unknown",
          "reason": "Approximate model-family weight is not tied to a specific length or as-built option set."
        }
      },
      "length": {
        "ft": 53,
        "m": 16.15
      },
      "width": {
        "in": null,
        "cm": null
      },
      "height": {
        "in": null,
        "cm": null
      },
      "emptyWeight": {
        "lb": null,
        "kg": null,
        "approximate": null,
        "note": "Configuration-specific empty weight not established; model-family weights are not joined to this length."
      },
      "source": {
        "id": "fontaine-revolution",
        "label": "Fontaine Revolution OEM brochure — PDF page 4",
        "url": "https://fontainetrailer.com/app/uploads/2026/03/60c307c7a91af077ec2b2b8d_Rev-Brochure.pdf#page=4",
        "reviewedDate": "2026-09-13"
      },
      "reviewedDate": "2026-09-13"
    },
    {
      "id": "flatbed-48",
      "label": "48-ft flatbed",
      "manufacturer": "Fontaine",
      "model": "Revolution 52",
      "variant": "Brochure-listed 48-ft option",
      "kind": "flatbed",
      "scope": "trailer-only",
      "notes": "Published nominal length, not an as-built measurement. Manufacturer brochure LT-078-R24, copyright 2020; current inventory availability is not asserted. Height, axle positions and tractor artwork are schematic.",
      "fieldProvenance": {
        "lengthFt": {
          "status": "supported",
          "value": 48,
          "unit": "ft",
          "measurementBasis": "published nominal trailer length",
          "sourceId": "fontaine-revolution",
          "sourceUrl": "https://fontainetrailer.com/app/uploads/2026/03/60c307c7a91af077ec2b2b8d_Rev-Brochure.pdf#page=4",
          "pageOrSection": "PDF page 4 of 4, Revolution 52 flatbed caption",
          "excerpt": "45', 48 or 53' wide spread air ride",
          "excerptNormalization": "whitespace only"
        },
        "widthIn": {
          "status": "unknown",
          "reason": "Exterior width not established for this length option in the reviewed brochure."
        },
        "heightIn": {
          "status": "unknown",
          "reason": "Exterior height not established for this length option in the reviewed brochure."
        },
        "emptyWeightLb": {
          "status": "unknown",
          "reason": "Approximate model-family weight is not tied to a specific length or as-built option set."
        }
      },
      "length": {
        "ft": 48,
        "m": 14.63
      },
      "width": {
        "in": null,
        "cm": null
      },
      "height": {
        "in": null,
        "cm": null
      },
      "emptyWeight": {
        "lb": null,
        "kg": null,
        "approximate": null,
        "note": "Configuration-specific empty weight not established; model-family weights are not joined to this length."
      },
      "source": {
        "id": "fontaine-revolution",
        "label": "Fontaine Revolution OEM brochure — PDF page 4",
        "url": "https://fontainetrailer.com/app/uploads/2026/03/60c307c7a91af077ec2b2b8d_Rev-Brochure.pdf#page=4",
        "reviewedDate": "2026-09-13"
      },
      "reviewedDate": "2026-09-13"
    },
    {
      "id": "pup-28",
      "label": "28-ft pup",
      "manufacturer": "Great Dane",
      "model": "Champion",
      "variant": "Brochure-listed 28-ft pup options",
      "kind": "pup",
      "scope": "trailer-only",
      "notes": "Published nominal length across multiple construction/lining options, not a stock-unit specification. Brochure identifier DMD 0720; current inventory availability is not asserted. Height, axle positions and tractor artwork are schematic.",
      "fieldProvenance": {
        "lengthFt": {
          "status": "supported",
          "value": 28,
          "unit": "ft",
          "measurementBasis": "published nominal trailer length",
          "sourceId": "great-dane-champion",
          "sourceUrl": "https://greatdane.com/wp-content/uploads/2020/10/Champion_Brochure_Digital.pdf#page=7",
          "pageOrSection": "PDF page 7 of 8, printed page 5, Pup Options",
          "excerpt": "dry freight 28-foot trailers",
          "excerptNormalization": "whitespace only"
        },
        "widthIn": {
          "status": "unknown",
          "reason": "Exterior width not established for the pup options in the reviewed brochure."
        },
        "heightIn": {
          "status": "unknown",
          "reason": "Exterior height not established; interior/drop-frame dimensions are not substituted."
        },
        "emptyWeightLb": {
          "status": "unknown",
          "reason": "Configuration-specific empty weight not established in the reviewed brochure."
        }
      },
      "length": {
        "ft": 28,
        "m": 8.53
      },
      "width": {
        "in": null,
        "cm": null
      },
      "height": {
        "in": null,
        "cm": null
      },
      "emptyWeight": {
        "lb": null,
        "kg": null,
        "approximate": null,
        "note": "Configuration-specific empty weight not established in reviewed brochure."
      },
      "source": {
        "id": "great-dane-champion",
        "label": "Great Dane Champion OEM brochure — PDF page 7 / printed page 5",
        "url": "https://greatdane.com/wp-content/uploads/2020/10/Champion_Brochure_Digital.pdf#page=7",
        "reviewedDate": "2026-09-13"
      },
      "reviewedDate": "2026-09-13"
    }
  ],
  "sources": [
    {
      "id": "fontaine-revolution",
      "label": "Fontaine Revolution OEM brochure — PDF page 4",
      "url": "https://fontainetrailer.com/app/uploads/2026/03/60c307c7a91af077ec2b2b8d_Rev-Brochure.pdf#page=4",
      "reviewedDate": "2026-09-13",
      "scope": "Nominal Revolution 52 length options. Not a current inventory list or as-built engineering drawing. Specifications subject to change.",
      "sourceType": "OEM product brochure",
      "documentIdentifier": "LT-078-R24; printed copyright 2020",
      "sha256": "d59b24877d26a0a061ae709f131ead6b8969c1efb6280f52dc169185ca95cd6f"
    },
    {
      "id": "great-dane-champion",
      "label": "Great Dane Champion OEM brochure — PDF page 7 / printed page 5",
      "url": "https://greatdane.com/wp-content/uploads/2020/10/Champion_Brochure_Digital.pdf#page=7",
      "reviewedDate": "2026-09-13",
      "scope": "28-foot dry-freight pup options across multiple construction/lining versions, not an as-built unit specification.",
      "sourceType": "OEM product brochure",
      "documentIdentifier": "DMD 0720",
      "sha256": "b2af3a7d543007f8fe5f78e805a535227a7191f18cb43a9abe72ac8e9a1e3639"
    }
  ],
  "references": [
    {
      "id": "fhwa-size-regs",
      "label": "FHWA — Federal Size Regulations for Commercial Motor Vehicles",
      "publisher": "Federal Highway Administration",
      "url": "https://ops.fhwa.dot.gov/FREIGHT/publications/size_regs_final_rpt/",
      "citation": "Width Requirements; Truck Tractor–Semitrailer Combinations; height discussion",
      "reviewedDate": "2026-09-13",
      "scope": "National Network and reasonable-access size rules, exclusions and exceptions. No federal vehicle height requirement. Guidance, not a route-clearance determination."
    },
    {
      "id": "usc-weight",
      "label": "U.S. Code — 23 USC 127: Interstate vehicle weight limitations",
      "publisher": "U.S. House of Representatives, Office of the Law Revision Counsel",
      "url": "https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title23-section127&num=0&edition=prelim",
      "citation": "23 USC 127(a)(2), including axle limits, Bridge Formula and exceptions",
      "reviewedDate": "2026-09-13",
      "scope": "General 80,000-pound Interstate gross-weight limit; axle and Bridge Formula limits may be lower. Statutory exceptions, grandfather provisions and qualifying permits can allow more."
    },
    {
      "id": "nist-si",
      "label": "NIST — Guide for the Use of the International System of Units (SI)",
      "publisher": "National Institute of Standards and Technology",
      "url": "https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication811e2008.pdf",
      "citation": "SP 811 (2008), Appendix B.8: PDF pages 61–62; pound conversion footnote 22, PDF page 65",
      "reviewedDate": "2026-09-13",
      "scope": "Exact conversion factors: 1 ft = 0.3048 m; 1 in = 2.54 cm; 1 lb = 0.45359237 kg. Converted display values are rounded, not new measurements."
    },
    {
      "id": "cfr-definitions",
      "label": "GovInfo — 49 CFR 571.3 vehicle definitions (2025 edition)",
      "publisher": "U.S. Government Publishing Office",
      "url": "https://www.govinfo.gov/content/pkg/CFR-2025-title49-vol6/xml/CFR-2025-title49-vol6-sec571-3.xml",
      "citation": "Definitions of semitrailer and truck tractor; 2025 CFR edition",
      "reviewedDate": "2026-09-13",
      "scope": "A semitrailer transfers a substantial part of its weight to another motor vehicle. This supports the worksheet's warning against counting coupled tractor-axle weight and full trailer weight twice; it is not a weighing procedure."
    }
  ]
}