本SAE推荐实施规程对所有新卡车、公共汽车和设计用于道路使用的车辆组合的制动系统的结构完整性提出了要求，这些车辆属于以下类别: 一个 卡车和公共汽车-超过4500公斤（10 000磅）GVWR b 组合车辆-GVWR超过4500 kg(10 000 lb)的牵引车 这些要求基于从SAE J294获得的数据。

This SAE Recommended Practice presents requirements for the structural integrity of the brake system of all new trucks, buses, and combinations of vehicles designed for roadway use and falling into the following classifications: a Truck and Bus—Over 4500 kg (10 000 lb) GVWR b Combination Vehicles—Towing vehicle over 4500 kg (10 000 lb) GVWR The requirements are based on data obtained from SAE J294.