本SAE推荐规程的目的是建立测试程序，以确定重型车辆冷却系统的性能能力，以满足原始设备制造商或最终用户的热规范，从而确保车辆长期可靠运行。本文件中的建议适用于重型车辆，包括但不限于公路上和非公路卡车、公共汽车、起重机、钻机、建筑、林业和农业机械。

The purpose of this SAE Recommended Practice is to establish a testing procedure to determine the performance capability of heavy-duty vehicle cooling systems to meet Original Equipment Manufacturer or end user thermal specifications to ensure long term reliable vehicle operations. The recommendations from the present document are intended for heavy-duty vehicles including, but not limited to, on- and off-highway trucks, buses, cranes, drill rigs, construction, forestry, and agricultural machines.