本SAE推荐实施规程提供了一种测试方法和说明，用于测量配备轮内或传动系驻车制动器的气制动或液压制动车辆上驻车制动器的性能。本程序适用于卡车牵引车、拖车、卡车和公共汽车。

This SAE Recommended Practice provides a test method and instructions for measuring performance of parking brakes on air- or hydraulic-braked vehicles equipped with in-wheel or drive-line parking brakes. This procedure applies to truck tractors, trailers, trucks, and buses.