British Standards Institution

Source:: ISO
Committee:: AUE/13 - Commercial and public service vehicles
Categories:: Couplings | Commercial vehicles. General
Comment period start date:: 28/03/2025
Comment period end date:: 21/05/2025
Number of comments:: 0

Comment by:

21st May

Scope

This International Standard specifies the locations of coupling devices for electrical and pneumatic connections between towing and towed commercial road vehicles. It is applicable to heavy vehicles equipped with pneumatic braking systems and 24 V electrical equipment of the following types: drawbar-trailer combinations, centre-axle trailer combinations and multiple-vehicle combinations whose towing vehicles or trailers have rear‑mounted couplings or couplings mounted forward and below, and articulated vehicles.

This International Standard is not applicable to car carriers, or road vehicles equipped only with fully automatic coupling system (FACS) according to ISO 13044 not mounted on front of the trailer.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

21/01/2025

3. Public Comments

Public Comments start date:

28/03/2025

Public Comments end date:

21/05/2025

Learn more about the standards development process

Standards Development

BS ISO 4009 ISO 4009 Commercial vehicles. Location of electrical and pneumatic connections between towing vehicles and trailers

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