本SAE标准提供了SAE J1057中定义的自卸车某些配置的拖车部分特有的主要部件名称（见图1）。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 the trailer portion of certain configurations of dumpers as defined in SAE J1057 (See Figure 1). Illustrations of components are not intended to be exactly descriptive of any particular machine.