标准编号：ISO 4251-1:2019
中文名称：农用拖拉机和机械用指定对角轮胎（标有厚度等级的系列）和轮辋代号 第1部分：轮胎名称和尺寸以及认可的轮辋轮廓
英文名称：Code designated diagonal tyres (ply rating marked series) for agricultural tractors, trailers and machines — Part 1: Tyre designation and dimensions, and approved rim contours
发布日期：2019-07
标准范围
This document establishes the designation in use and the dimensions of code designated tyres in diagonal construction (ply rating marked series) for agricultural tractors, trailers and machines.
Tyre load ratings are given in ISO 4251-2.
NOTE Code designated diagonal tyres (ply rating marked series) for construction applications (industrial tractors), identified by the classification code R-4, as specified in ISO 18805, or by suffix "IND" are covered by ISO 13442.
Code designated tyres in radial construction for drive wheels of agricultural tractors are covered by ISO 8664.
Code designated diagonal tyres (ply rating marked series) for forestry machines, identified by the classification code LS, as specified in ISO 18805, are covered by ISO 18807.
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