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ISO 10521-1:2006

Road vehicles — Road load — Part 1: Determination under reference atmospheric conditions

Oct 3, 2006

General information

90.60     Mar 5, 2026

ISO

ISO/TC 22/SC 34

International Standard

43.020  

English  

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Scope

ISO 10521-1:2006 specifies methods of determining the road load of road vehicles for subsequent test purposes, for example, fuel consumption tests or exhaust emission measurements. This determines the road load of a vehicle running on a level road under reference atmospheric conditions. It is achieved by either the coastdown method, the torquemeter method or the wind-tunnel/chassis-dynamometer method.
ISO 10521-1:2006 is applicable to motor vehicles, as defined in ISO 3833:1977, up to a gross vehicle mass of 3 500 kg.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 10521:1992

NOW

PUBLISHED
ISO 10521-1:2006
90.60 Close of review
Mar 5, 2026