Heavy road vehicles - Mechanical coupling between prime movers and semitrailers - Interchangeability requirements, Part 1: Non-dedicated vehicle combinations
重型道路车辆.原动机和半挂车之间的机械连接.互换性要求 第1部分:非专用车辆组合
Specifies the requirements for interchangeability of non-dedicated combination vehicles for coupling of prime movers, converter, dollies and semitrailers to provide compatibility and adequate clearances in normal use on both sealed and unsealed roads.