SAE J257_201108
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Brake Rating Power Requirements—Truck and Bus
18-07-2019
04-08-2011
Pertains 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.
| DocumentType |
Standard
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| PublisherName |
SAE International
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| Status |
Withdrawn
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| Supersedes |
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:aCold brake stopping ability.bFade as a result of brake power absorption.cHot brake stopping ability following brake power absorption.dBrake system stability following brake power absorption.eFunctional and structural integrity of brake system following test.
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