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SAE J2784_202101 : 2021

FMVSS Inertia Dynamometer Test Procedure for Vehicles Below 4540 kg GVWR

Standard Details

This document derives from the Federal Motor Vehicle Safety StandardDetails 105 and 135 vehicle test protocols as single-ended inertia-dynamometer test procedures. The test sequences enable brake output measurement, friction material effectiveness, and corner performance in a controlled and repeatable environment. This SAE Recommended Practice (RP) also includes optional sections for parking brake output performance for rear brakes. It applies to brake corners from vehicles covered by the FMVSS 105 and 135 when using the appropriate brake hardware and test parameters. The FMVSS 135 applies to all passenger cars and light trucks up to 3500 kg of GVWR. The FMVSS 105 applies to all passenger cars, multi-purpose vehicles, buses, and trucks above 3500 kg of GVWR. This document does not include testing for school bus applications or vehicles equipped with hydraulic brakes with a GVWR above 4540 kg.

Cross Reference: ISO/PAS12158,TP-105-03,TP-135-01

General Information

Status : Historical
Standard Type: Main
Document No: SAE J2784_202101 : 2021
Document Year: 2021
Pages: 30

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SAE J2784_202101 : 2021
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