本SAE标准提供了与铲运机和自卸车一起使用的拖拉机特有的主要部件的名称。（见图1至图3。）参考SAE J1057。部件的图示并不旨在准确描述任何特定机器。

This SAE Standard provides names of major components peculiar to tractors used with scrapers and dumpers. (See Figures 1 to 3.) Reference SAE J1057. Illustrations of components are not intended to be exactly descriptive of any particular machine.