§ 393.203 Cab and body components.
发布02-19
生效03-23
摘要总结AI 辅助解读
本法规为美国联邦机动车安全标准（FMVSS）第393.203条，规定了商用车辆驾驶室及车身部件的强制性技术状态。核心要求包括：车门不得缺失、破损或无法开启（严禁铁丝固定），除非装载长管/棒材阻挡且车顶有出口；驾驶室与车架连接螺栓、引擎盖、座椅及前保险杠必须牢固无松动或缺失。该条款旨在确保驾驶员在紧急情况下的逃生能力及车辆结构完整性，是跨境陆运车辆入境检查及日常合规运营的关键依据。
- (a) The cab compartment doors or door parts used as an entrance or exits 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.
[53 FR 49402, Dec. 7, 1988, as amended at 78 FR 58484, Sept. 24, 2013]