The alternative to a manual transmission is an automatic transmission common types of automatic transmissions are the hydraulic automatic transmission (AT), and the continuously variable transmission (CVT), whereas the automated manual transmission (AMT) and dual-clutch transmission (DCT) are internally similar to a conventional manual transmission, but are shifted automatically.Īlternately, there are transmissions which facilitate automatic clutch operation, but the driver's input is still required to manually change gears namely semi-automatic transmissions. Since the 1950s, constant-mesh manual transmissions have become increasingly commonplace and the number of forward ratios has increased to 5-speed and 6-speed manual transmissions for current vehicles. Motor vehicle manual gearbox stick shift Mazda M5OD manual transmission for a four-wheel-drive vehicle ( Ford Ranger)- viewed from the engine side Internals of a Getrag 282 manual transmission for a front-wheel-drive vehicle ( Oldsmobile Cutlass)Ī manual transmission ( MT), also known as manual gearbox, standard transmission (in Canada, the United Kingdom, and the United States), or stick shift (in the United States), is a multi-speed motor vehicle transmission system, where gear changes require the driver to manually select the gears by operating a gear stick and clutch (which is usually a foot pedal for cars or a hand lever for motorcycles).Įarly automobiles used sliding-mesh manual transmissions with up to three forward gear ratios.
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