本规程是对SAE J272c的补充。它适用于卡车的特性以及卡车描述和识别信息，这些信息将以统一的方式在车辆识别号中列出。本SAE推荐实施规程为卡车或卡车牵引车车辆识别号（VIN）的设计提供了指导。

This practice supplements SAE J272c. It applies to characteristics of truck and truck descriptive and identifying information which are to be set forth in a uniform manner in the vehicle identification number.This SAE Recommended Practice provides direction for the design of a truck or truck tractor vehicle identification number (VIN).