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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

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

Test Procedure for Trailer Air Reservoir Fill and Parking Brake Release Times

2010-08-18
HISTORICAL
J2378_201008
This SAE Recommended Practice provides instructions and test procedures for air braked trailers and dollies used in single and multiple trailer combinations on highway. This document is not intended for off-highway application. Purpose This document provides a method of determining the efficiency of trailer and dolly air supply systems in filling reservoirs and, for those with spring applied parking brakes, in releasing parking brakes.
Standard

Test Procedure for Trailer Air Reservoir Fill and Parking Brake Release Times

2003-07-07
HISTORICAL
J2378_200307
This SAE Recommended Practice provides instructions and test procedures for air braked trailers and dollies used in single and multiple trailer combinations on highway. This document is not intended for off-highway application. Purpose This document provides a method of determining the efficiency of trailer and dolly air supply systems in filling reservoirs and, for those with spring applied parking brakes, in releasing parking brakes.
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

Parking Brake Drawbar Pull Test Procedure - Truck and Bus

2019-10-17
CURRENT
J1729_201910
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

In-Service Brake Performance Test Procedure--Vehicles Over 4500 kg (10 000 lb)

2000-09-29
CURRENT
J1250_200009
This SAE Recommended Practice establishes a uniform practical series of subprocedures for level road testing of the brake performance of vehicles with gross vehicle weight ratings over 4500 kg (10 000 lb). The purpose of this practice is to establish a uniform method for use by operators and law enforcement agencies, to evaluate the condition of the brake systems of vehicles with GVWRs and GCWRs over 4500 kg (10 000 lb) under any condition of loading. By following the test procedures set forth, the operator and/or law enforcement agencies can ascertain if the vehicle meets the service brake and emergency brake stopping distance requirements of applicable State and Federal regulations.
Standard

In-Service Brake Performance Test Procedure--Vehicles Over 4500 kg (10 000 lb)

1980-02-01
HISTORICAL
J1250_198002
This SAE Recommended Practice establishes a uniform practical series of subprocedures for level road testing of the brake performance of vehicles with gross vehicle weight ratings over 4500 kg (10 000 lb). The purpose of this practice is to establish a uniform method for use by operators and law enforcement agencies, to evaluate the condition of the brake systems of vehicles with GVWRs and GCWRs over 4500 kg (10 000 lb) under any condition of loading. By following the test procedures set forth, the operator and/or law enforcement agencies can ascertain if the vehicle meets the service brake and emergency brake stopping distance requirements of applicable State and Federal regulations.
Standard

In-Service Brake Performance Test Procedure--Vehicles Over 4500 Kg (10 000 Lb)

1992-11-01
HISTORICAL
J1250_199211
This SAE Recommended Practice establishes a uniform practical series of subprocedures for level road testing of the brake performance of vehicles with gross vehicle weight ratings over 4500 kg (10 000 lb). The purpose of this practice is to establish a uniform method for use by operators and law enforcement agencies, to evaluate the condition of the brake systems of vehicles with GVWRs and GCWRs over 4500 kg (10 000 lb) under any condition of loading. By following the test procedures set forth, the operator and/or law enforcement agencies can ascertain if the vehicle meets the service brake and emergency brake stopping distance requirements of applicable State and Federal regulations.
Standard

Identification and Installation of Air Brake System Components

2011-03-16
HISTORICAL
J2580_201103
This Recommended Practice covers air braked trucks, truck-tractors, trailers and buses. It enumerates the identification and installation of the air brake components not covered in other SAE recommended practices and standards.
Standard

Identification and Installation of Air Brake System Components

2005-01-25
HISTORICAL
J2580_200501
This Recommended Practice covers air braked trucks, truck-tractors, trailers and buses. It enumerates the identification and installation of the air brake components not covered in other SAE recommended practices and standards.
Standard

Identification and Installation of Air Brake System Components

2016-11-01
CURRENT
J2580_201611
This Recommended Practice covers air braked trucks, truck-tractors, trailers and buses. It enumerates the identification and installation of the air brake components not covered in other SAE recommended practices and standards.
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

Brake System Rating Test Code - Commercial Vehicles

2011-10-05
CURRENT
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 Force Distribution Performance Guide - Truck and Bus

2018-10-02
WIP
J1854
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 10 000 lb designed to be used on the highway in combination with other air braked vehicles of this type in commercial operations. The purpose of this document is to establish target threshold pressures and brake force outputs with reference to brake application pressures as measured at the rear control line gladhand of truck-tractors and towing trucks, the front control line gladhand of non-towing trailers, and the front and rear control line gladhand of towing trailers and dollies.
Standard

Brake Force Distribution Performance Guide - Truck and Bus

2013-09-04
CURRENT
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

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).
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