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Parts and Components Truck and Bus Powertrain Committee Washers Identification Exhaust systems

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Standard

Recommended Practice for Measuring Fuel Economy and Emissions of Hybrid-Electric and Conventional Heavy-Duty Vehicles
2020-05-15
CURRENT
J2711_202005
This SAE Recommended Practice was established to provide an accurate, uniform, and reproducible procedure for simulating use of MD/HD conventional vehicles (CVs) and hybrid-electric vehicles (HEVs), as well as plug-in hybrid-electric vehicles (PHEVs) and battery electric vehicles (BEVs) on powertrain dynamometers for the purpose of measuring emissions and fuel economy. This document does not specify which emissions constituents to measure (e.g., HC, CO, NOx, PM, CO2), as that decision will depend on the objectives of the tester. While the main focus of this procedure is for calculating fuel and energy consumption, it is anticipated that emissions may also be recorded during execution of this procedure. It should be noted that most MD/HD powertrains addressed in this document would be powered by engines that are certified separately for emissions. The engine certification procedure appears in the Code of Federal Regulations, Title 40 §86 and §1065.
Standard

Snap-Acceleration Smoke Test Procedure for Heavy-Duty Diesel Powered Vehicles
2018-02-15
CURRENT
J1667_201802
This SAE Recommended Practice applies to vehicle exhaust smoke measurements made using the Snap-Acceleration test procedure. Because this is a non-moving vehicle test, this test can be conducted along the roadside, in a truck depot, a vehicle repair facility, or other test facilities. The test is intended to be used on heavy-duty trucks and buses powered by diesel engines. It is designed to be used in conjunction with smokemeters using the light extinction principle of smoke measurement. This procedure describes how the snap-acceleration test is to be performed. It also gives specifications for the smokemeter and other test instrumentation and describes the algorithm for the measurement and quantification of the exhaust smoke produced during the test. Included are discussions of factors which influence snap-acceleration test results and methods to correct for these conditions.
Standard

Torque Ratings for Power Take-off Mounting Pads
2017-09-19
CURRENT
J2662_201709
This SAE Recommended Practice is intended to serve as a reference for the amount of torque that a Power Take-Off can induce on the transmission mounting pad. This document will apply to six-bolt, eight-bolt, and rear mounted power take-offs.
Standard

Recommended Remanufacturing Procedures for Manual Transmission Clutch Assemblies
2017-08-22
CURRENT
J1915_201708
This SAE Recommended Practice is prepared as a guideline to improve and maintain the quality of remanufactured automotive products. Installation of remanufactured or rebuilt products is often an economical way to repair a vehicle even though they may not fully be equivalent to original equipment parts. Before processing any part, a remanufacturer should determine if the original design and present condition of the core are suitable for remanufacturing, so as to provide durable operation of the part as well as acceptable performance when installed in a vehicle. The remanufacturer should also carefully consider the safety aspects of the product and any recommendations of the original manufacturer related to remanufacturing or rebuilding their product.
Standard

Manual Transmission Shift Patterns
2017-08-15
CURRENT
J1608_201708
Provide standard shift pattern guidelines for manual transmission shift controls in light, medium, and heavy trucks and buses.
Standard

Pilot Bearings for Truck and Bus Applications
2017-08-14
CURRENT
J1731_201708
This SAE Recommended Practice describes STANDARD-DUTY and EXTREME-DUTY Pilot Bearing requirements and sizes for class 6, 7, and 8 on-highway trucks and buses that use diesel engines and manual transmissions. The recommendations may apply to a wide range of other pilot-bearing applications, such as agricultural, industrial, and construction equipment.
Standard

Manual Transmission Shift Patterns
2012-11-09
HISTORICAL
J1608_201211
Provide standard shift pattern guidelines for manual transmission shift controls in light, medium, and heavy trucks and buses.
Standard

Exhaust Brake Dynamometer Test and Capability Rating Procedure
2012-07-02
CURRENT
J2458_201207
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
2012-07-02
CURRENT
J1621_201207
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

Nomenclature and Terminology for Truck and Bus Drive Axles
2012-07-02
CURRENT
J923_201207
This SAE Recommended Practice outlines basic nomenclature in common use for truck and bus drive axle designs. Over a period of years there have been many different designs introduced; however, for this report, only the most common have been selected and only their general construction is illustrated to show the nomenclature of the various parts.
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
Standard

Torque Ratings for Power Take-off Mounting Pads
2003-07-25
HISTORICAL
J2662_200307
This SAE Recommended Practice is intended to serve as a reference for the amount of torque that a Power Take-Off can induce on the transmission mounting pad. This document will apply to six-bolt, eight-bolt, and rear mounted power take-offs.
Standard

Manual Transmission Shift Patterns
2001-09-07
HISTORICAL
J1608_200109
Provide standard shift pattern guidelines for manual transmission shift controls in light, medium, and heavy trucks and buses.
Standard

Nomenclature and Terminology for Truck and Bus Drive Axles
2001-08-03
HISTORICAL
J923_200108
This SAE Recommended Practice outlines basic nomenclature in common use for truck and bus drive axle designs. Over a period of years there have been many different designs introduced; however, for this report, only the most common have been selected and only their general construction is illustrated to show the nomenclature of the various parts.
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