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SRPS ISO 14794:2025

Heavy commercial vehicles and buses — Braking in a turn — Open-loop test methods

Feb 28, 2025

General information

90.93     Aug 16, 2023

90.20    Jul 15, 2028

ISS

M022

International Standard

43.020  

English  

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Scope

ISO 14794:2011 specifies open-loop test methods for determining the effect of braking on the course-holding and directional behaviour of heavy vehicles or heavy vehicle combinations when braking is accomplished using

the service-brake system, or
the retarder or engine brake only.

ISO 14794:2011 is applicable to heavy vehicles, i.e. commercial vehicles, commercial vehicle combinations, buses and articulated buses as defined in ISO 3833, covered by Categories M3, N2, N3, O3 and O4 of UNECE (United Nations Economic Commission for Europe) and EC vehicle regulations. These categories pertain to trucks and trailers with a maximum mass above 3,5 t and to buses and articulated buses with a maximum mass above 5 t.

Life cycle

NOW

PUBLISHED
SRPS ISO 14794:2025
90.93 Standard confirmed
Aug 16, 2023

Related project

Adopted from ISO 14794:2011 IDENTICAL