标准摘要
[中文适用范围]： 本国际标准规定了半挂牵引车安装在安装板上（标准牵引车，第 4 条）或直接安装在车架上（直接安装牵引车，第 5 条）的牵引车安装和互换性所需的尺寸特性。 -预告片。 它适用于用于挂接半挂车的第五轮，配备： ISO 337 中定义的 50 连接销； ISO 4086 中定义的 90 耦合销。 未指定的尺寸由组件制造商自行决定。 ISO 8717 中规定了 50 和 90 第五轮联轴器要满足的测试条件和强度要求。 [外文原描述]： ISO 3842:2006 lays down the dimensional characteristics necessary for mounting and interchangeability of the fifth wheel mounted on a mounting plate or directly on the frame of towing vehicles for semi-trailers. It applies to the fifth wheels 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 in ISO 8717.
英文名称Road vehicles — Fifth wheels — Interchangeability