根据ISO 3471、ISO 8082-1、ISO 8082-2、ISO 12117-2和ISO 13459中的定义，本SAE标准规定了在机器翻车时约束翻车保护结构（ROPS）内的操作员或驾驶员所需的骨盆约束系统（安全带、固定点和安全带紧固元件）的最低性能要求，或倾翻保护结构（TOPS），如果发生ISO 12117中定义的机器倾翻。本标准为机器操作员手册中包含的信息提供了指导和建议。

This SAE Standard establishes the minimum performance requirements for pelvic restraint systems (seat belts, anchorages, and the fastening elements of seat belts) necessary to restrain an operator or rider within a roll-over protective structure (ROPS) in the event of a machine roll-over, as defined in ISO 3471, ISO 8082-1, ISO 8082-2, ISO 12117-2, and ISO 13459, or tip-over protection structure (TOPS), in the event of a machine tip over as defined in ISO 12117. This standard provides guidance and recommendations for information included in the machine operator manual.