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Automated manual transmissions can be semi-automatic or fully-automatic in operation. Several different systems to automate the clutch and/or shifting have been used over the years, but they will generally use one of the following methods of actuation for the clutch and/or shifting: hydraulic or electro-hydraulic actuation, [12] electro-mechanical, [13] pneumatic, [6] [14] [15] electromagnetic ...
[2] [20] The first use of a PDK in competition was the 1985 Porsche 962 C Le Mans racing car, which won the World Sportscar Championship in 1986. [2] [21] The PDK transmission was also used in the 1985 Audi Sport Quattro S1 Group B rally car. [7] [22] The first mass-production passenger car to use a DCT was the 2003 Volkswagen Golf R32. [2] [6] [9]
The automated manual transmission (AMT) and dual-clutch transmission (DCT) are internally similar to a conventional manual transmission, but are shifted automatically. Alternatively, there are semi-automatic transmissions. These systems are based on the design of, and are technically similar to, a conventional manual transmission.
Rated up to 23.5 kg⋅m (230 N⋅m; 170 lbf⋅ft) while having a dry weight of 79.9 kg (176.1 lb). It is contracted by Chrysler Group LLC for use in 2013–2016 Dodge Dart and 2014-2016 Jeep Compass and Jeep Patriot, the transmission is designed to be maintenance-free under normal use and is assembled in South Korea.
The first DCT to reach production was the Easidrive automatic transmission introduced on the 1961 Hillman Minx mid-size car. This was followed by various eastern European tractors through the 1970s (using manual operation via a single clutch pedal), then the Porsche 962 C racing car in 1985.
Mercedes-Benz uses the number "720" to currently "725" to identify automatic, dual-clutch (DCT), Continuously variable (CVT), and automated manual transmissions (AMT).
A direct-shift gearbox (DSG, German: Direktschaltgetriebe [1]) [2] [3] is an electronically controlled, dual-clutch, [2] multiple-shaft, automatic gearbox, in either a transaxle or traditional transmission layout (depending on engine/drive configuration), with automated clutch operation, and with fully-automatic [2] or semi-manual gear selection.
Aisin automatic transmissions are manufactured by Aisin-Warner (AW) which was established in 1969 as a joint venture between Aisin and BorgWarner.While Aisin Seiki manufactures a variety of automotive components including automatic transmissions for heavy duty vehicle applications, Aisin AW manufactures automatic transmissions for light vehicle applications, including hybrid electric vehicle ...