标准号:BS ISO 3842-2007
中文标准名称:道路车辆.备用轮.互换性
英文标准名称:Road vehicles - Fifth wheels - Interchangeability
标准类型:G41;T21
发布日期:2007/3/30 12:00:00
实施日期:2007/3/30 12:00:00
中国标准分类号:G41;T21
国际标准分类号:43.040.70
适用范围:This International Standard lays down the dimensional characteristics necessary for mounting and interchangeability of the fifth wheel mounted on a mounting plate (standard fifth wheel, Clause 4) or directly on the frame (direct-mounted fifth wheel, Clause 5) 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.