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The RL4R01A is a hydraulic controlled unit for its main operation. Shift timing is based on throttle cable position and governor pressure. Its only electronic parts are two solenoids, one for the torque converter clutch, and the other for the manual overdrive cancel switch, but these do not affect the gears control and passing.
Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors.These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain, providing three forward speeds plus reverse.
The first Nissan/Jatco transmission, the Jatco 3N71 transmission, used a simple naming scheme: the "3" meant "3-speed", and the remainder was the series number. Beginning in 1982, it gained a locking torque converter (L3N71b) for greater efficiency. (See L3N71 link below).
The General Motors Automatic Safety Transmission (AST) was a semi-automatic transmission released in 1937. The first mass-produced fully-automatic transmission developed for passenger automobile use was the GM Hydra-Matic introduced in the autumn of 1939 as a (very likely subsidized) $57 option for the 1940 Oldsmobile. [1]
The 2012-2016 DPS6 Powershift transmission was used in the 2012–2016 Ford Focus and 2011–2016 Ford Fiesta sedans. This transmission is the subject of a massive number of lawsuits alleging Ford lied in order to sell cars Ford knew had defective transmissions. [9] 2008–present 6DCT450 Ford Powershift (MPS6) 6-speed wet clutch
The transmission is operated via selector lever and possibly also via switch. It has a controller slip Lock-up clutch. The 4HP 18 is for both longitudinal and transverse installation. Introduced in 1987, and produced through 1998, it was used in a variety of cars from Alfa Romeo, Audi, Citroën, Dodge, Eagle, Fiat, Lancia, Porsche and Saab.
This same transmission is used in the Saturn Vue Green Line hybrid vehicle with the addition of an auxiliary oil pump and hybrid-aware electronics. It is designed for 3.0–3.5 L engines producing up to 205 ft·lbf (278 N·m) of torque, but was also commonly mated to some versions of GM's 4-cylinder Ecotec line.
A 2WD 5 speed transmission found in most light duty Toyota Dyna trucks, this transmission has a drum brake on the rear and steel housings. These transmissions can be used to give a significantly lower first, and a slightly higher overdrive (5th: 0.695:1) when fitted to an R151 4WD gearbox. [4] First Gear: 5.147:1; Second Gear: 2.74:1; Third ...