本文件规定了窄底和宽底轮辋的名称、轮廓和尺寸 主要用于土方机械的越野轮胎。 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。 ISO 4250-1中给出了轮胎名称和尺寸、轮胎分类和术语， ISO 10571和ISO 13442。购买本文件时可获得的所有当前修订均包含在购买本文件中。

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.All current amendments available at time of purchase are included with the purchase of this document.