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Standard

Service Brake Structural Integrity Requirements—Truck and Bus

2023-12-07
CURRENT
J1404_202312
This SAE Recommended Practice presents requirements for the structural integrity of the brake system of all new trucks, buses, and combinations of vehicles designed for roadway use and falling into the following classifications: a Truck and Bus—Over 4500 kg (10 000 lb) GVWR b Combination Vehicles—Towing vehicle over 4500 kg (10 000 lb) GVWR The requirements are based on data obtained from SAE J294.
Standard

Service Brake Structural Integrity Test Procedure - Vehicles Over 4500 kg (10000 pounds) GVWR

2021-12-13
CURRENT
J294_202112
This SAE Recommended Practice establishes a method of testing the structural integrity of the brake system of all new trucks, buses, and combination vehicles designed for roadway use and falling in the following classifications: a Truck and bus: Over 4500 kg (10000 pounds) GVWR b Combination vehicle: Towing vehicle over 4500 kg (10000 pounds) GVWR The test consists of two distinct tests: a structural endurance test followed by a structural ultimate strength test. NOTE: These two tests originated from separate procedures, and were combined in this recommended practice. Each test can be considered to be an independent evaluation of the service brake’s structure. Based on time available, cost limitations, and the desired evaluation and historical data available, either of these tests could be considered as a complete evaluation of the brake’s structure.
Standard

Air Brake Performance and Wear Test Code Commercial Vehicle Inertia Dynamometer

2020-08-20
CURRENT
J2115_202008
This SAE Standard provides test procedures for air and air-over-hydraulic disc or drum brakes used for on-highway commercial vehicles over 4536 kg (10000 pounds) GVWR. This recommended practice includes the pass/fail criteria of Federal Motor Vehicle Safety Standard No. TP-121D-01.
Standard

Brake Effectiveness Marking for Brake Blocks - Truck and Bus

2019-06-06
CURRENT
J1801_201906
This SAE Recommended Practice provides the method to assign numerical values of brake effectiveness, using data from single station inertia dynamometer effectiveness tests, and to identify a uniform procedure to mark these values on the edge of brake blocks in excess of 12.7 mm (0.51 in) in thickness.
Standard

Service Brake Structural Integrity Requirements—Truck and Bus

2019-04-24
HISTORICAL
J1404_201904
This SAE Recommended Practice presents requirements for the structural integrity of the brake system of all new trucks, buses, and combinations of vehicles designed for roadway use and falling into the following classifications: a Truck and Bus—Over 4500 kg (10 000 lb) GVWR b Combination Vehicles—Towing vehicle over 4500 kg (10 000 lb) GVWR The requirements are based on data obtained from SAE J294.
Standard

Service Brake Structural Integrity Requirements—Truck and Bus

2014-11-15
HISTORICAL
J1404_201411
This SAE Recommended Practice presents requirements for the structural integrity of the brake system of all new trucks, buses, and combinations of vehicles designed for roadway use and falling into the following classifications: a Truck and Bus—Over 4500 kg (10 000 lb) GVWR b Combination Vehicles—Towing vehicle over 4500 kg (10 000 lb) GVWR The requirements are based on data obtained from SAE J294.
Standard

Brake Effectiveness Marking for Brake Blocks—Truck and Bus

2014-10-27
HISTORICAL
J1801_201410
This SAE Recommended Practice provides the method to assign numerical values of brake effectiveness, using data from single station inertia dynamometer effectiveness tests, and to identify a uniform procedure to mark these values on the edge of brake blocks in excess of 12.7 mm (0.51 in) in thickness.
Standard

Manual Slack Adjuster Test Procedure

2014-04-28
CURRENT
J1461_201404
This SAE Recommended Practice is intended for testing of manual slack adjusters as they are used in service, emergency, or parking brake systems for vehicles that can be licensed for on-road use.
Standard

Brake Block Chamfer

2011-05-17
CURRENT
J662_201105
The scope of this SAE Standard is to provide a uniform chamfer on brake blocks.
Standard

Service Brake Structural Integrity Requirements—Truck and Bus

2007-05-17
HISTORICAL
J1404_200705
This SAE Recommended Practice presents requirements for the structural integrity of the brake system of all new trucks, buses, and combinations of vehicles designed for roadway use and falling into the following classifications: a Truck and Bus—Over 4500 kg (10 000 lb) GVWR b Combination Vehicles—Towing vehicle over 4500 kg (10 000 lb) GVWR The requirements are based on data obtained from SAE J294.
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