Fluid for Passenger Car Type Automatic Transmissions
J311_202402
This SAE Information Report details some of the equipment and procedures used to measure critical characteristics of automatic transmission fluid (ATF) used in current automatic transmissions. It is intended to assist those concerned with the design of transmission components, and with the selection and marketing of ATFs for the use in passenger car and light-duty truck automatic transmissions. The information contained herein will be helpful in understanding the terms related to properties, designations, and service applications of ATFs.
Rationale:
Each manufacturer of passenger-car automatic transmissions has their own specifications for automatic transmission fluid (ATF). This Information Report provides an overview of the key ATF properties and performance desired by all manufacturers. This revision includes minor editorial corrections throughout the document.
Related Topics:
Automatic transmissions
Transmission fluids
Also known as: SAE J 311
SAE MOBILUS
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