ISO 337:1981

Road vehicles — 50 semi-trailer fifth wheel coupling pin — Basic and mounting/interchangeability dimensions

Publication date:   Dec 1, 1981

General information

90.93 Standard confirmed   Feb 24, 2021

ISO

ISO/TC 22/SC 40 Specific aspects for light and heavy commercial vehicles, busses and trailers

International Standard

43.040.70   Couplings

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 337:1981
90.93 Standard confirmed
Feb 24, 2021

CORRIGENDA / AMENDMENTS

PUBLISHED
ISO 337:1981/Cor 1:1990