本SAE标准适用于SAE J/ISO 6165定义的铰接式车架装载机和拖拉机， 以及SAE J1017定义的压路机和压实机，当配备转向、机架锁定装置时。 该范围仅限于因维护操作而存在危险的机器。目的是 本文件提供了转向、车架锁定装置的性能要求，该装置在使用时 将防止机器在装运或维护操作期间意外铰接。在里面 此外，它还提供了安装位置、机器上的存储和标识要求。

This SAE Standard is applicable to articulated frame loaders and tractors as defined by SAE J/ISO 6165, and rollers and compactors as defined by SAE J1017, when equipped with steering, frame locking device. The scope is limited to machines where hazards exist due to maintenance operations. Purpose This document provides the performance requirements for a steering, frame locking device which when used will prevent unintended articulation of the machine either during shipment or maintenance operations. In addition, it provides mounting position, storage on the machine and identification requirements.