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Automotive Tests and Testing Air brakes Truck and Bus Brake Systems Committee Pressure Electronic braking systems

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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 (2700-4500 kg) gvw Truck and bus: Over 10,000lb (4500 kg) gvw Combination of vehicles (towing vehicle over 10,000 lb (4500 kg) gvw)
Standard

BRAKE FORCE DISTRIBUTION TEST CODE—COMMERCIAL VEHICLES
1995-04-01
HISTORICAL
J1505_199504
This SAE Recommended Practice provides the test procedure and instructions for air braked combination vehicles. It also provides recommendations for: a Instrumentation and equipment b Vehicle preparation c Calculating distribution of brake force
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

BRAKE RATING SYSTEM TEST CODE - COMMERCIAL VEHICLES
1963-11-01
HISTORICAL
J880_196311
The code provides test procedures and instructions for: Instrumentation and equipment. Vehicle preparation. Determining brake system energy absorption capacity. Calculation of a brake rating. The code includes provision for those vehicles, single unit, combinations, or special, which cannot be loaded to the manufacturer's rated gross vehicle weight, cannot be accelerated in the time interval required, or cannot attain the specified 50 mph speed. Methods for measuring energy absorption capacity, other than described herein, may be equally valid.
Standard

BRAKE RATING SYSTEM TEST CODE – COMMERCIAL VEHICLES
1970-06-01
HISTORICAL
J880A_197006
This code is intended for vehicles with brake systems having typical service pressure ranges 0-1800 psi hydraulic or 0-120 psi air and is not directly applicable to vehicles with other systems.
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 SYSTEM RATING TEST CODE–COMMERCIAL VEHICLES
1980-02-01
HISTORICAL
J880_198002
This code is intended for vehicles with brake systems having typical service pressure ranges 0–1800 psi (0–12.4 MPa) hydraulic or 0–120 psi (0–830 kPa) air and is not directly applicable to vehicles with other systems.
Standard

BRAKE FORCE DISTRIBUTION PERFORMANCE GUIDE—COMMERCIAL VEHICLES
1995-04-01
HISTORICAL
J1854_199504
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.
Standard

Braking System Definitions - Truck and Bus
2022-07-06
CURRENT
J2627_202207
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

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

PARKING BRAKE DRAWBAR PULL TEST PROCEDURE—COMMERCIAL VEHICLE
1995-08-01
HISTORICAL
J1729_199508
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—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.
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