GB/T 41656-2022 Translated English of Chinese Standard (GB/T41656-2022, GBT 41656-2022): Road vehicles - Mechanical coupling between towing vehicles with rear-mounted coupling and drawbar trailers - Interchangeability

This document specifies the requirements for interchangeability dimensions of mechanical coupling between towing trucks with rear-mounted coupling and drawbar trailers. This document is applicable to combination vehicles consisting of a towing truck with rear-mounted coupling and a drawbar trailer. This document does not apply to special-purpose combination vehicles that can be extended, and with the coupling mounted on the front lower part of the towing truck and a closed coupling device. NOTE: the combination vehicle models (see Appendix A) that comply with the requirements of this document and the combination vehicle models that comply with the requirements of GB/T 41651 do not have interchangeability.