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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 ...
The Ford–GM 10-speed automatic transmission is part of a joint venture between Ford Motor Company and General Motors to design and engineer two transmissions: a longitudinal 10-speed transmission and a transverse 9-speed trans-axle. Each company manufactures its own unique version of the transmissions in its own factories.
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.
The first five-speed automatic was the ZF 5HP18 transmission, debuting in 1991 on various BMW models. The first six-speed automatic was the ZF 6HP26 transmission, which debuted in the 2002 BMW 7 Series (E65). The first seven-speed automatic was the Mercedes-Benz 7G-Tronic transmission, which debuted a year later.
2018–present 8F24 8-speed transverse transmission (1.0 and 1.5 EcoBoost) Ford Focus; 2018–present 8F57 8-speed transverse transmission for higher torque (2.7 V6 EcoBoost) Ford Edge ST, Ford Explorer, Ford Fusion, Ford Taurus; 2020–present 8F SelectShift® 8-speed transverse transmission (2.0 and 2.3 EcoBoost) Lincoln Corsair, Lincoln ...
Following its 2003 introduction in the Volkswagen Golf R32, a 6-speed DCT (model code DQ250), with two wet-clutches arranged concentrically, has been used in several Volkswagen and Audi models. [9] In 2008, Volkswagen group began production of the DQ200 , a 7-speed DCT using two dry-clutches arranged side-by-side (instead of concentrically).
4, 5 or 6-speed with Hydraulic Retarder and Neutral on Vehicle Stop (4/5/6 HP 500/590/600) – 1980–2002; 4, 5 or 6-speed with Hydraulic Retarder and Neutral on Vehicle Stop (4/5/6 HP 502/592/602/C) – 1997–2007; 5, or 6-speed with Hydraulic Retarder and Neutral on Vehicle Stop (5/6 HP 504C/594C/604C) – 2006–2016
Another solution is to separate the gearshift selector from the gear indicator, meaning the driver has to visually monitor which gear is actually engaged, for instance on a display. Safety considerations require redundancy in the gearshift and transmission sensors and in the vehicle communication network .