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Standard

Brake System Road Test Code - Truck, Bus, and Combination of Vehicles

1998-12-01
CURRENT
J786A_199812
This SAE Recommended Practice establishes a uniform procedure for the level road test of the brake systems of new trucks, buses, and combination of vehicles designed for roadway use and falling in 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)
Standard

Brake System Road Test Code - Truck, Bus, and Combination of Vehicles

1971-05-01
HISTORICAL
J786A_197105
This SAE Recommended Practice establishes a uniform procedure for the level road test of the brake systems of new trucks, buses, and combination of vehicles designed for roadway use and falling in 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)
Standard

Brake System Road Test Code--Truck, Bus, and Combination of Vehicles

1978-03-01
HISTORICAL
J786A_197803
This SAE Recommended Practice establishes a uniform procedure for the level road test of the brake systems of new trucks, buses, and combination of vehicles designed for roadway use and falling in the following classifications: Light trucks and buses: 6001-10,000 lb (2700-4500kg) gvw; Truck and bus: Over 10,000 lb (4500 kg) gvw; Combination of vehicles (towing vehicle over 10,000 lb (4500 kg) gvw
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

Anti-Lock Brake System (Abs) Road Test Evaluation Procedure for Trucks, Truck-Tractors and Buses

2002-02-07
HISTORICAL
J2536_200202
Test procedure for Anti-Lock brake system (ABS/Anti-Lock) performance for on-highway commercial vehicles over 4536 kg (10 000 lb). This test procedure is intended to determine vehicle stability, maneuverability, stopping capability and system function on various road surface conditions including variable and uniform friction surfaces while brakes are modulated to obtain maximum performance with activation of ABS/Anti-Lock. This procedure does not cover radio frequency interference or power consumption testing. Reference SAE J46 Wheel-Slip Brake Control Road Test Code for passenger car and light truck test procedure.
Standard

Brake Rating Power Requirements—Truck and Bus

1985-03-01
HISTORICAL
J257_198503
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 Field Test Procedure for Truck and Bus

1971-01-01
HISTORICAL
J225_197101
This SAE Recommended Practice provides a field test procedure and instructions for: Instrumentation and Equipment Vehicle Preparation Test of air-braked single and combination vehicles Calculation of brake force distribution 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. Purpose This procedure provides a method to determine the brake force distribution (brake system effectiveness) for trucks and buses with a GVWR greater than 4536 kg (10 000 lb).
Standard

Brake Force Distribution Field Test Procedure for Truck and Bus

1993-06-10
HISTORICAL
J225_199306
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. This code provides a method to determine the brake force distribution (brake system effectiveness) for commercial vehicles.
Standard

Brake Force Distribution Field Test Procedure for Truck and Bus

1988-08-01
HISTORICAL
J225_198808
This SAE Recommended Practice provides a field test procedure and instructions for: Instrumentation and Equipment Vehicle Preparation Test of air-braked single and combination vehicles Calculation of brake force distribution 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. Purpose This procedure provides a method to determine the brake force distribution (brake system effectiveness) for trucks and buses with a GVWR greater than 4536 kg (10 000 lb).
Standard

Truck and Bus Grade Parking Performance Test Procedure

1968-09-01
HISTORICAL
J360_196809
This SAE Recommended Practice establishes methods to determine grade parking performance with respect to: a. Ability of the parking brake system to lock the braked wheels. b. The vehicle holding or sliding on the grade, fully loaded or unloaded. c. Applied manual effort. d. Unburnished or burnished brake lining friction conditions. e. Down and up grade directions.
Standard

Truck and Bus Grade Parking Performance Test Procedure

1988-10-01
HISTORICAL
J360_198810
This SAE Recommended Practice establishes methods to determine grade parking performance with respect to: a. Ability of the parking brake system to lock the braked wheels. b. The vehicle holding or sliding on the grade, fully loaded or unloaded. c. Applied manual effort. d. Unburnished or burnished brake lining friction conditions. e. Down and up grade directions.
Standard

Truck and Bus Grade Parking Performance Test Procedure

2001-12-14
HISTORICAL
J360_200112
This SAE Recommended Practice establishes methods to determine grade parking performance with respect to: a. Ability of the parking brake system to lock the braked wheels. b. The vehicle holding or sliding on the grade, fully loaded or unloaded. c. Applied manual effort. d. Unburnished or burnished brake lining friction conditions. e. Down and up grade directions. This document establishes a uniform procedure for determining the parking performance on a grade by the parking brake systems of new trucks and buses over 4540 kg (10 000 lb) gross vehicle weight rating (GVWR) intended for roadway use.
Standard

Truck and Bus Grade Parking Performance Test Procedure

2008-02-21
HISTORICAL
J360_200802
This SAE Recommended Practice establishes methods to determine grade parking performance with respect to: a. Ability of the parking brake system to lock the braked wheels. b. The vehicle holding or sliding on the grade, fully loaded or unloaded. c. Applied manual effort. d. Unburnished or burnished brake lining friction conditions. e. Down and up grade directions.
Standard

Truck and Bus Grade Parking Performance Test Procedure

1995-09-01
HISTORICAL
J360_199509
This SAE Recommended Practice establishes methods to determine grade parking performance with respect to: a. Ability of the parking brake system to lock the braked wheels b. The vehicle holding or sliding on the grade, fully loaded or unloaded c. Applied manual effort d. Unburnished or burnished brake lining friction conditions e. Down and up grade directions This document establishes a uniform procedure for determining the parking performance on a grade by the parking brake systems of new trucks and buses over 4540 kg (10 000 lb) gross vehicle weight rating intended for roadway use.
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