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An automatic transmission (sometimes abbreviated AT) is a multi-speed transmission used in motor vehicles that does not require any input from the driver to change forward gears under normal driving conditions.
A transmission (also called a gearbox) is a mechanical device which uses a gear set—two or more gears working together—to change the speed or direction of rotation in a machine. Many transmissions have multiple gear ratios, but there are also transmissions that use a single fixed-gear ratio.
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An automatic transmission takes the pain of gear shifting out of your hands. Find out how an automatic transmission works and how it differs from a manual.
- Karim Nice
Mar 7, 2024 · Automatic transmission, arrangement of gears, brakes, clutches, a fluid drive, and governing devices that automatically changes the speed ratio between the engine and the wheels of an automobile. Since its introduction in 1939, the fully automatic transmission has become optional or standard.
- The Editors of Encyclopaedia Britannica
Dec 2, 2022 · The automatic transmission has a long history. It has come a long way since 1924, when it was first installed in vehicles. Since then, many have seen automobiles with automatic transmissions superior to manual ones. Let’s dive deeper into the history and prominence of the automatic transmission. 10. Bigfoot #5 - The World's Biggest Monster Truck.
Mar 23, 2023 · Automatic Transmission Diagnostics. Automatic Transmission Fluid is red or pink and should be checked regularly. Vibration and Noise. Vibration usually comes from the output shaft or torque converter. Noise is usually related to gear and engine speed. Pressure Test can be used to read pressure during operation, design permitting.
