Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 7030-1986
Scope
This standard applies to the shape of the bolted and welded 5th wheel coupling pin (hereinafter referred to as the coupling pin) used to connect the semi-full trailer to the tractor and the dimensions of the connecting part with the 5th wheel coupling.
CNS 7030-1986 history
1986CNS 7030-1986 Shapes and Dimensions of Fifth Wheel Coupling Pins for Semi-trailers