本SAE标准适用于自行式越野作业机。包括以下类别:土方工程；工具和附件；林业、道路建设和维护、专业采矿和机动工业卡车。尽管一些SAE标准也适用于农业拖拉机，但本SAE标准不适用于ANSI/ASAE S390中定义的农业拖拉机。注:大多数与农业拖拉机和机具相关的标准由ASABE制定。本文件为SAE ConAg委员会内的标准制定工作确定了自行越野作业机械及其机具和附件的类别。

This SAE Standard applies to self-propelled off-road work machines. Included are the following categories: Earthmoving; Implements and Attachments; Forestry, Road Building and Maintenance, Specialized Mining, and Powered Industrail Trucks.This SAE Standard does not apply to Agricultural Tractors as defined in ANSI/ASAE S390 although some SAE standards are also applicable to Agricultural Tractors. NOTE: Most standards relating to agricultural tractors and implements are developed by ASABE.This documnet establishes categories of self-propelled off-road work mchines and thier implements and attachments for standards development work within the SAE ConAg Council.