本SAE推荐实践为新型多用途乘用车、重量不超过4500 kg（10 000 lb）的新型轻型卡车以及与新型挂车（制动或未制动）相结合的新型乘用车的所有组合的制动系统水平道路试验建立了统一的程序。

This SAE Recommended Practice establishes a uniform procedure for the level road test of the brake systems of all combinations of new multipurpose passenger vehicles, new light-duty trucks up to and including 4500 kg (10 000 lb), and new passenger cars when coupled with new trailers (braked or unbraked).