GB/T 32860-2016 Translated English of Chinese Standard. (GBT 32860-2016, GB/T32860-2016, GBT32860-2016): Road vehicles - Interchangeability of drawbar couplings
https://www.chinesestandard.net, Jan 8, 2017 - Technology & Engineering - 13 pages
This Standard specifies the requirements for the installation and interchangeability of drawbar coupling on tractor frame (beam, tow beam or mounting bracket). This Standard is applicable to drawbar coupling for connecting towing trailer, and center trailer.