SAE J 257:2019

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Brake Rating Power Requirements – Truck and Bus

Published By	Publication Date	Number of Pages
SAE	2019-07-18	3

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Categories: 43.040.40 - Braking systems, 43.080.20 - Buses, 53.060 - Industrial trucks, SAE

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Description

The minimum performance values in this SAE Recommended Practice are applicable to vehicles with brake systems having typical service pressure ranges 0 to 16.6 MPa (0 to 2400 psi) hydraulic or 0 to 945 kPa (0 to 135 psi) air only. SAE J880 not only provides for determining maximum brake rating power capability, but also permits verification of any desired or arbitrary level such as the requirement established herein. The determining criteria for deciding brake rating power capability are:

a. Cold brake stopping ability.

b. Fade as a result of brake power absorption.

c. Hot brake stopping ability following brake power absorption.

d. Brake system stability following brake power absorption.

e. Functional and structural integrity of brake system following test.

Additional information

Published Code	SAE
Published By	SAE International, formerly Society of Automotive Engineers
Publication Date	2019-07-18
Pages Count	3
Language	English
Descriptors	Trucks; Buses; Braking systems; Performance tests
File Size	706.6 KB
ICS Codes	43.040.40 - Braking systems 43.080.20 - Buses 53.060 - Industrial trucks

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SAE J 257:2019

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