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Reading the regulations as they stood on September 30, 2005. Current text may differ.Switch to current
Historical textIn force on Sept. 30, 2005Source: annual CFR editions 1996–2012

§ 393.203 Cab and body components.

Wording first on file in the 1996 annual edition, superseded by the 2013 annual edition.

govinfo, 2004 edition ↗
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2004 edition's wording. An amendment that took effect between Oct. 1, 2004 and Sept. 30, 2005 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 393.203 — Cab and body components.. Text in force on September 30, 2005. This wording effective October 1, 1996 to October 1, 2013. Source: govinfo, 2004 edition, https://www.govinfo.gov/app/details/CFR-2004-title49-vol4/CFR-2004-title49-vol4-sec393-203. Retrieved from FMCSR.com, https://fmcsr.com/reg/393.203?asof=2005-09-30, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) The cab compartment doors or door parts used as an entrance or exist shall not be missing or broken. Doors shall not sag so that they cannot be properly opened or closed. No door shall be wired shut or otherwise secured in the closed position so that it cannot be readily opened. Exception: When the vehicle is loaded with pipe or bar stock that blocks the door and the cab has a roof exit.

(b) Bolts or brackets securing the cab or the body of the vehicle to the frame shall not be loose, broken, or missing.

(c) The hood must be securely fastened.

(d) All seats must be securely mounted.

(e) The front bumper must not be missing, loosely attached, or protruding beyond the confines of the vehicle so as to create a hazard.

Amendment history

3 distinct wordings on file since Oct. 1, 1996
  1. Oct. 1, 2014 → presentannual editions 2014–2016diff vs. previous
    [53 FR 49402, Dec. 7, 1988, as amended at 78 FR 58484, Sept. 24, 2013]
  2. Oct. 1, 2013 → Oct. 1, 2014annual edition 2013diff vs. previous
    [53 FR 49402, Dec. 7, 1988, as amended at 78 FR 58484, Sept. 24, 2013]
  3. Oct. 1, 1996 → Oct. 1, 2013annual editions 1996–2012viewing

A new entry appears whenever the regulatory words change between government snapshots. Day-precise from the eCFR (2017 onward); before that, one snapshot per annual CFR edition (revised as of October 1). Bracketed citations are the Federal Register history printed with the section.