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ISO 4009:2026

Commercial vehicles — Location of electrical and pneumatic connections between towing vehicles and trailers

General information

Valid from 27.02.2026
ICS Groups
43.040.70 Couplings 43.080.01 Commercial vehicles in general
Directives or regulations
None

Standard history

Status
Date
Type
Name
27.02.2026
Main
ISO 4009:2026
This document 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 document is not applicable to car carriers, or road vehicles equipped only with fully automatic coupling system (FACS) according to the ISO 13044 series, not mounted on the front of the trailer.

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Standard monitoring
English (PDF 320 KB)

Related products

Main

ISO 7641:2012

Road vehicles -- Trailers up to 3,5 t -- Calculation of the mechanical strength of steel drawbars
Newest version Valid from 19.11.2012
Main

ISO 337:1981

Road vehicles -- 50 semi-trailer fifth wheel coupling pin -- Basic and mounting/interchangeability dimensions
Newest version Valid from 01.12.1981
Main

ISO 1103:2007

Road vehicles -- Coupling balls for caravans and light trailers -- Dimensions
Newest version Valid from 30.05.2007
Main

ISO 12357-2:2007

Commercial road vehicles -- Drawbar couplings and eyes for rigid drawbars -- Part 2: Strength tests for special applications
Newest version Valid from 27.04.2007

Standards designation

EVSEstonian standard
ENEuropean standard (published by an CEN or CENELEC)
EN ISOInternational standard adopted as an European standard
ISOInternational Organization for Standardization’s standard
IECInternational Electrotechnical Commission’s standard
HDCENELEC’s harmonisation document
EVS-ENEuropean standard implemented in Estonia
EVS-EN ISOInternational standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IECInternational standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IECInternational electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
 
A, AMDamedment
+Aa full standard plus the amendment
/Aonly amendment
COR, ACcorrigendum
+CORa full standard plus the corrigendum
NAnational annex
+NAa full standard plus the national annex
/NAonly national annex
TStechnical specification
TRtechnical report
CWAagreement, developed by a CEN or CENELEC
prEVS-EN (etc)draft standard
 
etthe standard is in Estonian only
enthe standard is in English only
et-enthe standard is in Parallel text Estonian-English