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Standard

Axle Efficiency Test Procedure

2001-04-27
CURRENT
J1266_200104
Data from this SAE Recommended Practice permit mapping axle efficiency and/or waste energy over the operating range of trucks, busses, and other highway vehicles based on truck chasses.
Standard

AXLE EFFICIENCY TEST PROCEDURE

1979-06-01
HISTORICAL
J1266_197906
Data from this procedure permits mapping axle efficiency and/or waste energy over the operating range of passenger cars, trucks, busses, and other highway vehicles to which axles are applied.
Standard

AXLE EFFICIENCY TEST PROCEDURE

1990-06-01
HISTORICAL
J1266_199006
Data from this procedure permit mapping axle efficiency and/or waste energy over the operating range of passenger cars, trucks, busses, and other highway vehicles.
Standard

AUTOMOTIVE PULL TYPE CLUTCH TERMINOLOGY

1985-01-01
HISTORICAL
J1479_198501
This document describes the terms or names of the parts, characteristics, and parameters of automotive pull type clutches used in trucks, and of vehicle apparatus or components related to the pull type clutch.
Standard

AUTOMOTIVE PULL TYPE CLUTCH TERMINOLOGY

1991-04-01
HISTORICAL
J1479_199104
This SAE Standard describes the terms or names of the parts, characteristics, and parameters of automotive pull type clutches used in trucks, and of vehicle apparatus or components related to the pull type clutch.
Standard

Automotive Pull-Type Clutch Terminology

2012-11-09
CURRENT
J1479_201211
This SAE Standard describes the terms or names of the parts, characteristics, and parameters of automotive pull-type clutches used in trucks, and of vehicle apparatus or components related to the pull-type clutch.
Standard

Manual Transmission Efficiency and Parasitic Loss Measurement

2012-11-09
CURRENT
J1540_201211
Because of the intense focus on fuel economy and fuel emission standards, it has become imperative to optimize vehicle drivetrains. In light of this, component efficiencies have become an important factor in the drivetrain decision-making process. It has therefore become necessary to develop a universal standard to judge transmission efficiency. This SAE Recommended Practice specifies a test procedure which maps torque transmittal efficiency and parasitic losses for manual transmissions. The application of this document is intended for manual transmissions used in light (class 4) through heavy truck applications with both simple and compound ratio structures. This document is separated into two parts. The first compares input and output torque throughout a specified input speed range in order to determine the overall transmission efficiency. This test is used to evaluate all forward gears; testing in reverse is optional.
Standard

Exhaust Brake Dynamometer Test and Capability Rating Procedure

1998-07-01
HISTORICAL
J2458_199807
This SAE Recommended Practice has been adopted by SAE to specify: a A basis for net engine retarder power rating b Reference inlet air test conditions c A method for correcting observed engine retarder power to reference conditions d A method for determining net engine retarder power with a dynamometer
Standard

ENGINE RETARDER DYNAMOMETER TEST AND CAPABILITY RATING PROCEDURE

1994-08-01
HISTORICAL
J1621_199408
This SAE Recommended Practice has been adopted by SAE to specify: a A basis for net engine retarder power rating b Reference inlet air test conditions c A method for correcting observed engine retarder power to reference conditions d A method for determining net engine retarder power with a dynamometer
Standard

Engine Retarder Dynamometer Test and Capability Rating Procedure

2005-12-12
HISTORICAL
J1621_200512
This SAE Recommended Practice has been adopted by SAE to specify: a A basis for net engine retarder power rating b Reference inlet air test conditions c A method for correcting observed engine retarder power to reference conditions d A method for determining net engine retarder power with a dynamometer
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