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ISO/TC 22 N 3966, NWIP on Heavy commercial vehicles and buses -- Test method for steering effort measurement when manoeuvring at low speed or with stationary vehicle ISO/NP 22139

Scope

This international standard specifies a test method to quantify a driver’s perception of steering effort when manoeuvring a vehicle at low speed or with the vehicle stationary. It is mainly applicable to trucks having a mass exceeding 3,5 tonnes and buses and articulated buses having a mass exceeding 5 tonnes, according to ECE and EC vehicle classification. I.e. categories M3,N2,N3.

Note: This standard may also be applicable to trucks having a mass not exceeding 3,5 tonnes and buses and articulated buses having a mass not exceeding 5 tonnes. I.e. categories M2, N1.

Purpose

No International Standard exists on this subject.

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