OS GSO ISO 3842:2013
ISO 3842:2006
Omani Standard
Current Edition
·
Approved on
09 September 2013
Road vehicles -- Fifth wheels -- Interchangeability
OS GSO ISO 3842:2013 Files
English
7 Pages
Current Edition
Reference Language
OMR
31.08
OS GSO ISO 3842:2013 Scope
This International Standard lays down the dimensional characteristics necessary for mounting and interchangeability of the fifth wheel mounted on a mounting plate (standard fifth wheel, Clause 4) or directly on the frame (direct-mounted fifth wheel, Clause 5) of towing vehicles for semi-trailers. It applies to the fifth wheels intended to hitch on semi-trailers equipped with a:
— 50 coupling pin as defined in ISO 337;
— 90 coupling pin as defined in ISO 4086.
Dimensions not specified are left to the discretion of the component manufacturer.
Test conditions and strength requirements to be met by 50 and 90 fifth wheel coupling are specified in ISO 8717.
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