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Standard

Multiposition Small Engine Exhaust System Fire Ignition Suppression
2020-10-06
CURRENT
J335_202010
This SAE Recommended Practice establishes equipment and test procedures for determining the performance of spark arrester exhaust systems of multiposition small engines (<19 kW) used in portable applications, including hand-held, hand-guided, and backpack mounted devices. It is not applicable to spark arresters used in vehicles or stationary equipment.
Standard

Spark Arrester Test Procedure for Large Size Engines
2020-10-06
CURRENT
J342_202010
This SAE Recommended Practice establishes equipment and procedures for the evaluation of the effectiveness and other performance characteristics of spark arresters or turbochargers used on the exhaust system of large engines normally used in a railroad locomotive, stationary power plant, and other similar applications. This document does not cover applications requiring flame arresting, exhaust gas cooling, or isolation from explosive gases. Two test methods are presented: a laboratory test using ambient air (cold test) and an engine test using exhaust gases (hot test). The hot test is preferred. Arresters tested by the provisions of this document can be expected to perform as tested when tilted no more than 45 degrees from their normal position. Test results from a spark arrester or turbocharger evaluated by the hot test can be applied to different engines of similar design, provided the data shows it to be effective in the applicable flow ranges.
Standard

Spark Arrester Test Carbon
2020-10-06
CURRENT
J997_202010
This SAE Standard establishes physical properties required of SAE Coarse Test Carbon and SAE Fine Test Carbon and establishes test methods to ensure that these requirements are met.
Standard

Spark Arrester Test Carbon
2013-03-26
HISTORICAL
J997_201303
This SAE Standard establishes physical properties required of SAE Coarse Test Carbon and SAE Fine Test Carbon and establishes test methods to ensure that these requirements are met.
Standard

Spark Arrester Test Procedure for Large Size Engines
2013-03-26
HISTORICAL
J342_201303
This SAE Recommended Practice establishes equipment and procedures for the evaluation of the effectiveness and other performance characteristics of spark arresters or turbochargers used on the exhaust system of large engines normally used in a railroad locomotive, stationary power plant, and other similar applications. This document does not cover applications requiring flame arresting, exhaust gas cooling, or isolation from explosive gases. Two test methods are presented: a laboratory test using ambient air (cold test) and an engine test using exhaust gases (hot test). The hot test is preferred. Arresters tested by the provisions of this document can be expected to perform as tested when tilted no more than 45 degrees from their normal position. Test results from a spark arrester or turbocharger evaluated by the hot test can be applied to different engines of similar design, provided the data shows it to be effective in the applicable flow ranges.
Standard

Overcenter Clutch Spin Test Procedure
2012-10-23
CURRENT
J1079_201210
This SAE Recommended Practice applies to driving ring type overcenter clutches such as are used in industrial power takeoffs.
Standard

Multiposition Small Engine Exhaust System Fire Ignition Suppression
2012-10-23
HISTORICAL
J335_201210
This SAE Recommended Practice establishes equipment and test procedures for determining the performance of spark arrester exhaust systems of multiposition small engines (<19 kW) used in portable applications, including hand-held, hand-guided, and backpack mounted devices. It is not applicable to spark arresters used in vehicles or stationary equipment.
Standard

Flywheel Spin Test Procedure
2012-10-04
HISTORICAL
J1240_201210
This SAE Recommended Practice applies to flywheels and flywheel-starter ring gear assemblies used with internal combustion engines of spark ignition and diesel type. Engine sizes are those capable of using SAE No. 6 through SAE No. 00 size flywheel housings.
Standard

Crankcase Emission Control Test Code
2012-01-23
CURRENT
J900_201201
The purpose of this SAE STandard is to provide standard test procedures for crankcase emission control systems and/or devices. The procedures included are for determining: a. The flow rate of the blowby of an engine; b. The flow rates through the crankcase emission control system inlet and outlet. This code is written to cover crankcase emission control systems which are designed to reduce the emission of engine blowby gases to the atmosphere. The code includes the following sections: 3. Definitions and Terminology; 4. Test Equipment; 5. Test Procedures; 6. Information and Data to be Recorded; 7. Data Analysis; 8. Presentation of Information and Data.
Standard

SAE Design Guideline: Metal Belt Drive Continuously Variable Ratio (CVT) Automatic Transmissions
2011-09-12
CURRENT
J2525_201109
The purpose of this guideline is to provide the essential design considerations for the metal “V” belt variator used in continuously variable transmissions. Information from SAE papers, transmission manufacturers, and component manufacturers is provided to aid engineers in understanding the function and design methodology of the major components within the variator system. Recommended design practices are given based on current practices.
Standard

Engine Testing with Low-Temperature Charge Air-cooler Systems in a Dynamometer Test Cell
2011-09-06
CURRENT
J1937_201109
The methods presented in this SAE Recommended Practice apply to the controlled testing of low-temperature charge, air-cooled, heavy-duty diesel engines. This document encompasses the following main sections: a Definitions of pertinent parameters b Vehicle testing to determine typical values for these parameters c Description of the setup and operation of the test cell system d Validation testing of the test cell system While not covered in this document, computer modeling of the vehicle engine cooler system is recognized as a valid tool to determine cooler system performance and could be utilized to supplement the testing described. However, adequate in-vehicle testing should be performed to validate the model before it is used for the purposes outlined. The procedure makes references to test cycles that are prescribed by the United States Environmental Protection Agency (US EPA) and are contained in the Code of Federal Regulations.
Standard

Manual Transmissions and Transaxle High-speed Lubrication, Unbalance, and Seizure Evaluation
2011-09-06
CURRENT
J2132_201109
It is anticipated that this SAE Recommended Practice will be only one step in a comprehensive evaluation of the vehicle/transmission application. This document alone is not adequate “due care” to insure against high-speed seizure or other high-speed problems. The notes printed in bold print throughout the practice convey important information about the test itself or the results and should be considered carefully. All references to transmissions also apply to transaxles, except for the unbalance evaluation which applies only to rear-wheel-drive transmissions with propeller shaft output.
Standard

Passenger Car and Light Truck Axles
2011-09-06
CURRENT
J2200_201109
This SAE Recommended Practice is intended to outline basic nomenclature for axle designs in common use for automotive drives. Over a period of years, there have been many different designs; however, for the purpose of this report, only the most common designs have been selected and only their general construction is illustrated to show the nomenclature of the various parts.
Standard

Manual Transmission and Transaxle Efficiency and Parasitic Loss Measurement
2011-09-02
CURRENT
J2453_201109
Because of the intense focus on CAFE and fuel emission standards, optimization of the automobile drivetrain is imperative. 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 the dynamometer test procedure which maps a manual transmission’s efficiency. The document is separated into two parts. The first compares input and output torque throughout a specified input speed range in order to determine “in-gear” transmission efficiency. The second procedure measures parasitic losses experienced while in neutral at nominal idling speeds and also churning losses while in gear. The application of this document is intended for passenger car and light truck. All references to transmissions throughout this document include transaxles.
Standard

Thrust Washers – Design and Application
2011-06-13
CURRENT
J924_201106
This SAE Standard presents the basic size and tolerance information for the design and manufacture of thrust washers. In most cases, the standard employs nominal figures in both metric and inch-pound units and, therefore, does not necessarily provide exact equivalents.
Standard

Split Type Bushings – Design and Application
2011-06-13
CURRENT
J835_201106
This SAE Standard presents the standard sizes, important dimensions, specialized measurement techniques, and tolerances for split type bushings. Both SI and inch sizes are shown; their dimensions are not exact equivalents. New designs shall use SI units. Unless specifically stated as ±, all tolerances are total.
Standard

Sleeve Type Half Bearings
2011-06-10
CURRENT
J506_201106
This SAE Standard defines the normal dimensions, dimensioning practice, tolerances, specialized measurement techniques, and glossary of terms for bearing inserts commonly used in reciprocating machinery. The standard sizes cover a range which permits a designer to employ, in proper proportion, the durability and lubrication requirements of each application, while utilizing the forming and machining practices common in manufacture of sleeve type half bearings. Not included are considerations of hydrodynamic lubrication analysis or mechanical stress factors of associated machine structural parts which determine the nominal sizes to be used, selection of bearing material as related to load carrying capacity, and economics of manufacture. For information concerning materials, see SAE J459 and SAE J460. These suggested sizes provide guidelines which may result in minimal costs of tooling but do not necessarily represent items which can be ordered from stock.
Standard

O.D. Coatings for Radial Lip-Type Shaft Seals
2002-10-25
CURRENT
J1947_200210
This SAE Information Report covers thin coatings of resinous based materials that can be placed on the metallic outer diameter of radial lip-type shaft seals to provide sealing when the mating bore finish is too rough to insure a proper seal (typically when finish exceeds 2.54 µm Ra, or in pressurized applications.) The coatings will have the following characteristics: a. Material shall dry to a tough, flexible, and non-tacky film. b. Thickness typically ranges from 0.005 to 0.076 mm. c. It shall not crack, flake, or powder when scraped. d. Coating shall adhere to seal case as noted in text. e. The sealer shall not show any evidence of peeling, blistering, softening, or dissolution when tested in media to be sealed.
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