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Standard

Brake Force Distribution Field Test Procedure for Truck and Bus
2003-04-29
HISTORICAL
J225_200304
This SAE Recommended Practice provides a field test procedure and instructions for: a Instrumentation and Equipment b Vehicle Preparation c Test of air-braked single and combination vehicles d Calculation of brake force distribution e This test procedure is intended to be used as a field procedure. If a more refined method, utilizing laboratory equipment, is required, refer to SAE J1505.
Standard

Brake Rating Power Requirements - Truck and Bus
2019-07-18
CURRENT
J257_201907
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.
Standard

Brake Force Distribution Performance Guide - Truck and Bus
2013-09-04
HISTORICAL
J1854_201309
This SAE Recommended Practice establishes performance guidelines for the threshold pressure and brake force output of the brakes on the axles of air-braked towing trucks, truck-tractors, truck-trailers, and converter dollies with GVWRs over 4536 kg (10 000 lb) designed to be used on the highway in combination with other air-braked vehicles of this type in commercial operations.
Standard

Drawbar Pull Performance Criteria
2012-05-24
CURRENT
J2503_201205
This SAE Performance Criteria code applies to vehicles that are tested in accordance with SAE J1729 and SAE J1626.
Standard

SERVICE BRAKE SYSTEM PERFORMANCE REQUIREMENTS — TRUCK & BUS
1967-07-01
HISTORICAL
J992_196707
This SAE Recommended Practice presents service brake performance requirements for the brake systems of motor vehicles intended for roadway use and falling in the following classifications: Light Truck (10,000 lb gvw or less—Uniform Vehicle Code—Class B-2). Truck and Bus (over 10,000 lb gvw—Uniform Vehicle Code—Class C-1 and C-3). Acceptable performance requirements are based on data obtained from applicable sections of SAE J786.
Standard

BRAKE SYSTEM PERFORMANCE REQUIREMENTS—TRUCK, BUS, AND COMBINATION OF VEHICLES
1985-03-01
HISTORICAL
J992_198503
This SAE Recommended Practice presents performance requirements for the brake systems of motor vehicles intended for roadway use and falling into the following classifications: Light trucks and buses: 6001–10 000 lb (2700–4500 kg) gvw Truck and bus: Over 10 000 lb (4500 kg) gvw Combination of vehicles [towing vehicle over 10 000 lb (4500 kg) gvw] Acceptable performance requirements are based on data obtained from applicable sections of SAE J786a (March, 1978).
Standard

BRAKE SYSTEM PERFORMANCE REQUIREMENTS—TRUCK, BUS, AND COMBINATION OF VEHICLES
1971-05-01
HISTORICAL
J992B_197105
This SAE Recommended Practice presents performance requirements for the brake systems of motor vehicles intended for roadway use and falling into the following classifications: Light trucks and buses: 6001-10,000 lb gvw Truck and bus: Over 10,000 lb gvw Combination of vehicles (towing vehicle over 10,000 lb gvw) Acceptable performance requirements are based on data obtained from applicable sections of SAE J786.
Standard

BRAKE SYSTEM PERFORMANCE REQUIREMENTS—TRUCK, BUS, AND COMBINATION OF VEHICLES
1978-03-01
HISTORICAL
J992B_197803
This SAE Recommended Practice presents performance requirements for the brake systems of motor vehicles intended for roadway use and falling into the following classifications: Light trucks and buses: 6001–10,000 lb (2700–4500 kg) gvw Truck and bus: Over 10,000 lb (4500 kg) gvw Combination of vehicles (towing vehicle over 10,000 lb (4500 kg) gvw) Acceptable performance requirements are based on data obtained from applicable sections of SAE J786a (March, 1978).
Standard

SERVICE BRAKE SYSTEM PERFORMANCE REQUIREMENTS—TRUCK & BUS
1969-06-01
HISTORICAL
J992A_196906
This SAE Recommended Practice presents service brake performance requirements for the brake systems of motor vehicles intended for roadway use and falling in the following classifications: Light Truck (10,000 lb gvw or less—Uniform Vehicle Code—Class B-2). Truck and Bus (over 10,000 lb gvw—Uniform Vehicle Code—Class C-1 and C-3). Combination of Vehicles (Uniform Vehicle Code—Class D). Acceptable performance requirements are based on data obtained from applicable sections of SAE J786.
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