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Automotive Vehicles, Equipment, and Performance Vehicle performance Education and training Truck and Bus Brake Systems Committee

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Standard

Brake System Rating Test Code - Commercial Vehicles
2023-01-09
CURRENT
J880_202301
This code is intended for commercial vehicles over 4500 kg (10 000 lb) with brake systems having typical service pressure ranges 0 to 14.1 mPa (0 to 2050 psi) hydraulic or 0 to 830 kPa (0 to 130 psi) air and is not directly applicable to vehicles with other systems. Air over hydraulic systems are to be tested as air systems.
Standard

Truck and Bus Grade Parking Performance Test Procedure
2020-08-19
CURRENT
J360_202008
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

Trailer Grade Parking Performance Test Procedure
2018-11-12
CURRENT
J1452_201811
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 trailer 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 upgrade directions.
Standard

Truck and Bus Grade Parking Performance Requirements
2017-06-05
CURRENT
J293_201706
This SAE Recommended Practice establishes minimum performance requirements for trucks, buses, truck-tractors, full trailers, and semitrailers with gross vehicle weight ratings greater than 4540 kg (10 000 lb) with regard to: a Vehicle classification b Vehicle load c Percent grade d Application force
Standard

Brake System Rating Test Code - Commercial Vehicles
2011-10-05
HISTORICAL
J880_201110
This code is intended for commercial vehicles over 4500 kg (10 000 lb) with brake systems having typical service pressure ranges 0 to 14.1 mPa (0 to 2050 psi) hydraulic or 0 to 830 kPa (0 to 130 psi) air and is not directly applicable to vehicles with other systems. Air over hydraulic systems are to be tested as air systems.
Standard

Brake Rating Power Requirements—Truck and Bus
2011-08-04
HISTORICAL
J257_201108
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

Truck and Bus Grade Parking Performance Test Procedure
2011-06-16
HISTORICAL
J360_201106
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

Trailer Grade Parking Performance Test Procedure
2011-06-16
HISTORICAL
J1452_201106
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 trailer 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 Requirements
2010-09-16
HISTORICAL
J293_201009
This SAE Recommended Practice establishes minimum performance requirements for trucks, buses, truck-tractors, full trailers, and semitrailers with gross vehicle weight ratings greater than 4540 kg (10 000 lb) with regard to: a Vehicle classification b Vehicle load c Percent grade d Application force
Standard

Braking System Definitions—Truck and Bus
2009-08-03
HISTORICAL
J2627_200908
This SAE Recommended Practice identifies and defines terms specifically related to truck and bus braking systems including Antilock Brake Systems (ABS) and Electronically Controlled Braking Systems (ECBS).
Standard

Parking Brake Drawbar Pull Test Procedure—Truck and Bus
2008-02-22
HISTORICAL
J1729_200802
This SAE Recommended Practice provides a test method and instructions for measuring performance of parking brakes on air- or hydraulic-braked vehicles equipped with in-wheel or drive-line parking brakes. This procedure applies to truck-tractors, trailers, trucks and buses.
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 Requirements
2004-01-22
HISTORICAL
J293_200401
This SAE Recommended Practice establishes minimum performance requirements for trucks, buses, truck-tractors, full trailers, and semitrailers with gross vehicle weight ratings greater than 4540 kg (10 000 lb) with regard to: a Vehicle classification b Vehicle load c Percent grade d Application force
Standard

Trailer Grade Parking Performance Test Procedure
2002-12-20
HISTORICAL
J1452_200212
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 trailer 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.
Standard

Parking Brake Drawbar Pull Test Procedure—Commercial Vehicle
2001-08-15
HISTORICAL
J1729_200108
This SAE Recommended Practice provides a test method and instructions for measuring performance of parking brakes on air- or hydraulic-braked vehicles equipped with in-wheel or drive-line parking brakes. This procedure applies to truck, tractor, trailer, and bus.
Standard

Drawbar Pull Performance Criteria
2000-09-29
HISTORICAL
J2503_200009
This SAE Performance Criteria code applies to vehicles that are tested in accordance with SAE J1729 and SAE J1626.
Standard

VEHICLE GRADE PARKING PERFORMANCE REQUIREMENTS
1995-09-01
HISTORICAL
J293_199509
This SAE Recommended Practice establishes minimum performance requirements for trucks, buses, truck-tractors, full trailers, and semitrailers with gross vehicle weight ratings greater than 4540 kg (10 000 lb) with regard to: a Vehicle classification b Vehicle load c Percent grade d Application force
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