本SAE信息报告详细介绍了用于测量当前自动变速器中使用的自动变速器油液（ATF）关键特性的一些设备和程序。它旨在帮助那些关心变速器部件设计以及用于乘用车和轻型卡车自动变速器的ATF的选择和营销的人。本文所包含的信息将有助于理解与ATF的属性、名称和服务应用相关的术语。

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.