本文件规定了主要用于土方机械的窄基和宽基越野轮胎轮辋的名称、轮廓和尺寸。 本文件中的所有尺寸均以毫米为单位，适用于轮辋与轮胎接触的一侧。 ISO 4250-1、ISO 10571和ISO 13442中给出了轮胎名称和尺寸、轮胎分类和术语。 附录A给出了土方工程机械轮辋密封圈槽和O形圈的详细信息。

This document sets out the designation, contours and dimensions for rims for narrow- and wide-base off-road tyres primarily intended for earth-moving machinery. All dimensions in this document are given in millimetres and are applicable to the side of the rim which is in contact with the tyre. Tyre designations and dimensions, tyre classifications and nomenclature are given in ISO 4250-1, ISO 10571 and ISO 13442. Annex A gives details on sealing ring grooves and O-rings for earth-mover rims.