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Standard

Planetary Gears - Terminology
2023-10-31
CURRENT
J646_202310
Figures 1 through 6 illustrate in simplified form some of the more common planetary gears, gearsets, and geartrain arrangements in order to establish applicable terminology. Figures 7 and 8 provide additional examples that use elements of those gear arrangements.
Standard

Automatic Transmission Hydraulic Pump Test Procedure
2020-11-09
CURRENT
J2311_202011
This SAE Recommended Practice provides a method to determine the performance characteristics of the hydraulic oil pumps used in automatic transmissions and automatic transaxles. This document outlines the specific tests that describe the performance characteristics of these pumps over a range of operating conditions and the means to present the test data. This document is not intended to assess pump durability.
Standard

Automatic Transmissions - Schematic Diagrams
2019-11-19
CURRENT
J647_201911
The following schematic diagrams reflect various methods of illustrating automotive transmission arrangements. These have been developed to facilitate a clear understanding of the functional interrelations of the gearing, clutches, hydrodynamic drive unit, and other transmission components. Two variations of transmission diagrams are used: in neutral (clutches not applied), and in gear. For illustrative purposes, some typical transmissions are shown.
Standard

Rectangular Cross Section Polymeric Sealing Rings
2019-10-09
CURRENT
J2310_201910
The purpose of this SAE Recommended Practice is to establish guidelines for the automatic transmission and hydraulic systems engineer to design rectangular cross section seals for rotating and static grooved shaft applications. Also included are property comparisons of polymeric materials suitable for these applications. Historically, material covered in this document is not intended to include aluminum contact applications.
Standard

Planetary Gears - Terminology
2018-07-12
HISTORICAL
J646_201807
Figures 1 through 5 illustrate in simplified form some of the more common planetary gear arrangements in order to establish applicable terminology. Figures 6 and 7 provide additional examples that use elements of those gear arrangements. Gear ratio is the numerical ratio of input to output speed.
Standard

Automatic Transmissions - Manual Control Sequence
2017-03-09
CURRENT
J915_201703
The scope and purpose of this SAE Recommended Practice is to provide a standard pattern or sequence for the manual control of automatic transmissions in passenger cars and light-duty trucks. This generally refers to left hand drive mechanical shift applications.
Standard

Park Standard for Automatic Transmissions
2016-05-26
CURRENT
J2208_201605
To provide a Recommended Practice for validating the function and integrity of an automatic transmission park mechanism with its associated control system and environment.
Standard

Cast Iron Sealing Rings (Metric)
2015-09-02
CURRENT
J1236_201509
The purpose of this SAE Recommended Practice is to establish guidelines for the automatic transmission and hydraulic systems engineer to design cast iron sealing rings and select acceptable width, thickness, coatings, and other accepted design details.
Standard

Automatic Transmission Hydraulic Pump Test Procedure
2015-03-17
HISTORICAL
J2311_201503
This SAE Recommended Practice provides a method to determine the performance characteristics of the hydraulic oil pumps used in automatic transmissions and automatic transaxles. This document outlines the specific tests that describe the performance characteristics of these pumps over a range of operating conditions and the means to present the test data. This document is not intended to assess pump durability.
Standard

Engine Flywheel Housing and Mating Transmission Housing Flanges
2014-04-16
HISTORICAL
J617_201404
This SAE Standard specifies the major dimensions and tolerances for Engine Flywheel Housings and the Mating Transmission Housing Flanges. It also locates the crankshaft flange face or the transmission pilot bore (or pilot bearing bore) stop face in relation to housing SAE flange face. This document is not intended to cover the design of the flywheel housing face mating with the engine crankcase rear face or the design of housing walls and ribs. Housing strength analysis and the selection of housing materials are also excluded. This document applies to any internal combustion engine which can utilize SAE No. 6 through SAE No. 00 size flywheel housing for mounting a transmission.
Standard

SAE Band Friction Test Machine Guidelines
2012-03-19
CURRENT
J1499_201203
This SAE Recommended Practice is intended as a guide toward implementation of a standard practice but may be subject to frequent change to keep pace with experience and technical advances. This should be kept in mind when considering its use. The SAE band friction test machine is used to evaluate the frictional characteristics of automatic transmission band friction materials with automatic transmission fluids. It can also be used to conduct durability tests on wet friction systems.
Standard

SAE No. 2 Clutch Friction Test Machine Guidelines
2012-03-19
CURRENT
J286_201203
This SAE Recommended Practice is intended as a guide toward implementation of a standard practice but may be subject to frequent change to keep pace with experience and technical advances. This should be kept in mind when considering its use. The SAE No. 2 Friction Test Machine is used to evaluate the friction characteristics of automatic transmission plate clutch with automotive transmission fluids. It can also be used to conduct durability tests on wet friction systems. This document is intended for common use by both suppliers and end users to define minimum test machine requirements to allow objective comparisons of wet friction material system performance.
Standard

Rectangular Cross Section Polymeric Sealing Rings
2011-05-02
HISTORICAL
J2310_201105
The purpose of this SAE Recommended Practice is to establish guidelines for the automatic transmission and hydraulic systems engineer to design rectangular cross section seals for rotating and static grooved shaft applications. Also included are property comparisons of polymeric materials suitable for these applications. Historically, material covered in this document is not intended to include aluminum contact applications.
Standard

Planetary Gears - Terminology
2011-04-04
HISTORICAL
J646_201104
Figures 1 to 5 illustrate in simplified form some of the more common planetary gear arrangements in order to establish applicable terminology. Gear ratio is the numerical ratio of input to output speed.
Standard

Automatic Transmissions - Schematic Diagrams
2010-04-23
HISTORICAL
J647_201004
The following schematic diagrams reflect various methods of illustrating automotive transmission arrangements. These have been developed to facilitate a clear understanding of the functional interrelations of the gearing, clutches, hydrodynamic drive unit, and other transmission components. Two variations of transmission diagrams are used: in neutral (clutches not applied) and in gear. For illustrative purposes, some typical transmissions are shown.
Standard

Automatic Transmissions—Manual Control Sequence
2007-10-22
HISTORICAL
J915_200710
The scope and purpose of this SAE Recommended Practice is to provide a standard pattern or sequence for the manual control of automatic transmissions in passenger cars and light-duty trucks. This generally refers to left hand drive mechanical shift applications.
Standard

Park Standard for Automatic Transmissions
2007-10-22
HISTORICAL
J2208_200710
To provide a Recommended Practice for validating the function and integrity of an automatic transmission park mechanism with its associated control system and environment.
Standard

Cast Iron Sealing Rings (Metric)
2007-10-22
HISTORICAL
J1236_200710
The purpose of this SAE Recommended Practice is to establish guidelines for the automatic transmission and hydraulic systems engineer to design cast iron sealing rings and select acceptable width, thickness, coatings, and other accepted design details.
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