标准摘要
[中文适用范围]： ISO 6489 的这一部分规定了牵引式非平衡拖车农用牵引车和配备 ISO 20019 中规定的环的农用牵引车附件所用挂钩的尺寸要求。 其目的是确保机械连接的互换性农用牵引车上。 ISO 6489-1 的本部分仅适用于垂直静载荷不超过 30 kN 的情况。 [外文原描述]： This part of ISO 6489 specifies the dimensional requirements for hitch-hooks used in the attachment to agricultural towing vehicles of towed, non-balanced trailers and implements equipped with a ring specified in ISO 20019. Its purpose is to ensure the interchangeability of the mechanical connections on agricultural towing vehicles. This part of ISO 6489-1 is applicable only in those cases where the vertical static load does not exceed 30 kN.
英文名称Agricultural vehicles — Mechanical connections between towed and towing vehicles — Part 1: Dimensions of hitch-hooks