标准编号：ISO 3842:2006
中文名称：道路车辆 备用轮 互换性
英文名称：Road vehicles — Fifth wheels — Interchangeability
发布日期：2006-12
标准范围
This International Standard lays down the dimensional characteristics necessary for mounting andinterchangeability of the fifth wheel mounted on a mounting plate (standard fifth wheel, Clause 4) or directly onthe frame (direct-mounted fifth wheel, Clause 5) of towing vehicles for semi-trailers. It applies to the fifthwheels intended to hitch on semi-trailers equipped with a:50 coupling pin as defined in ISO 337;90 coupling pin as defined in ISO 4086.Dimensions not specified are left to the discretion of the component manufacturer.Test conditions and strength requirements to be met by 50 and 90 fifth wheel coupling are specified inISO 8717.
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