本SAE信息报告建立了一个评分系统，鼓励在越野机器上采取易于维护的措施。按照ISO 8927的定义，评分系统将评估维修性时的主观性降至最低。本文件适用于SAE J 1116和ISO 6165中定义和分类的机器。重新发布本文件是为了与最新的SAE格式保持一致，并更新参考文献。SAE J817-1已被取消，因为其中包含的术语和定义在ISO 8927“土方机械~机器可用性~词汇”中定义。SAE J 817-2被取消，将成为SAE J 817。

This SAE Information Report established a point system that encourages ease of maintenance actions on off-road machines. The point system minimizes subjectivity in evaluating maintainability as defined in ISO 8927.This document applies to machines defined and categorized in SAE J 1116 and ISO 6165.This document has been reissued to bring in to alignment with the latest SAE format and update the references. SAE J817-1 has been cancelled as the terms and definitions contained within are defined in ISO 8927, "Earth-moving machinery~Machine availability~Vocabulary". SAE J 817-2 is being cancelled and will become SAE J 817.