标准摘要
[中文适用范围]： 本文件规定了通过挂钩环将农业非平衡挂车和机具连接到配备ISO 6489-1规定挂钩的牵引车后部的尺寸要求。它确保了农业被牵引车辆上机械连接的互换性。本文件适用于其连接点位于拖拉机后桥中心线和动力输出轴下方的挂钩环。 [外文原描述]： This document specifies dimensional requirements for the attachment of agricultural, non-balanced trailers and implements by means of hitch rings to the rear of towing vehicles equipped with a hook specified in ISO 6489-1. It ensures the interchangeability of the mechanical connections on agricultural towed vehicles. This document is applicable to rings whose coupling point is below the centre-line of the rear axle and the power take-off (PTO) of the tractor.
英文名称Agricultural vehicles — Mechanical connections on towed vehicles — Dimensions for hitch rings