Automatic transmission
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An automatic transmission or automatic gearbox is a multi-speed transmission used in motor vehicles that does not require any input from the driver other than throttle position to change forward gears
Cutaway view of a 2007 Toyota AA80E hydraulic automatic
Gear selector of a 1992 Ford Escort with automatic transmission
Cutaway view of a ZF 8HP transmission: torque converter on the left, planetary gearsets in the centre, control mechanisms at the bottom
Torque converter – cutaway view
Dual-clutch transmission
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A dual-clutch transmission is a type of multi-speed vehicle transmission system, that uses two separate clutches for odd and even gear sets. The design is often similar to two separate manual transmis
DCT based on a concentric clutch layout (inside the round black cover, shown in the center of the image)