This content is not included in your SAE MOBILUS subscription, or you are not logged in.
Brake Rating Power Requirements—Truck and Bus
- Ground Vehicle Standard
Published August 04, 2011 by SAE International in United States
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:
Cold brake stopping ability.
Fade as a result of brake power absorption.
Hot brake stopping ability following brake power absorption.
Brake system stability following brake power absorption.
Functional and structural integrity of brake system following test.
Deletion of obsolete terminology (i.e. horsepower). Revision to the brake system service pressure ranges, both hydraulic and air, to more accurately reflect typical system service pressure ranges and governor cut-in pressure settings in accordance with current industry practices.
|Technical Paper||Emergency Braking Systems for School Buses|
|Technical Paper||Evolution of the Trailer Air Brake System Under the Effect of FMVSS 121|
Data Sets - Support Documents
No Datasets Available
Truck and Bus Brake Systems Committee
The Truck and Bus Brake Systems Committee of the Truck and Bus Brake and Stability Control Steering Committee is responsible for developing, reviewing, and approving recommended practices, standards, and information reports related to brake systems of trucks, tractor-trailer combinations and buses over 10,000 lbs (4500 Kg) GVWR designed primarily for highway use.
|J880_201110||Brake System Rating Test Code - Commercial Vehicles|
* Redlines comparisons are available for those standards listed in the Revision History that contain a radio button. A redline comparison of the current version against a revision is accomplished by selecting the radio button next to the standard and then selecting 'compare'. At this time, Redline versions only exist for some AMS standards. SAE will continue to add redline versioning with ongoing updates to SAE MOBILUS.