SAE J 2784:2021

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FMVSS Inertia Dynamometer Test Procedure for Vehicles Below 4540 kg GVWR

Published By	Publication Date	Number of Pages
SAE	2021-01-27	30

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Category: SAE

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Description

This document derives from the Federal Motor Vehicle Safety Standards 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.

Additional information

Published Code	SAE
Published By	SAE International, formerly Society of Automotive Engineers
Publication Date	2021-01-27
Pages Count	30
Language	English
Descriptors	Safety regulations and standards; Brake pads; Brake torque; Disc brakes; Electronic braking systems
File Size	1.0 MB

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SAE J 2784:2021

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