Published
This second edition cancels and replaces the first edition (1973). Specifies the dimensions of the 50 coupling pin /dia. 50,8 mm (2 in)/ which is used for coupling semi-trailers to prime movers, taking into account the limitations of weight generally laid down by official requirements. Some figures illustrate shapes and the difference of types.
PUBLISHED
ISO 337:1981
90.93
Standard confirmed
Feb 24, 2021
PUBLISHED
ISO 337:1981/Cor 1:1990
Road vehicles — 50 semi-trailer fifth wheel coupling pin — Basic and mounting/interchangeability dimensions
95.99 Withdrawal of Standard