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GM's 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 Hydramatic introduced in 1940. [1] The Hydramatic was a big success, and had been installed in the majority of GM models by 1950.
The 5L40-E (and similar 5L50) are a series of automatic transmissions made by General Motors.Designed for longitudinal engine configurations, the series includes 5 forward gears and is used in the GM Sigma platform vehicles from Cadillac, the Pontiac Solstice, BMW, and Holden Commodore.
A few RPO codes have become notable enough that they have been used as model names. The Camaro Z28 name came from an option code which specified a performance-oriented configuration. This happened again with the Corvette Z06 models. However most RPO codes that are promoted to model names are appearance packages only, and are not related to ...
During the 1970s and 1980s, GM introduced many new front-wheel drive (FWD) platforms for the first time, such as the FWD C platform introduced in 1985. Despite being mechanically very new and different, it kept the same name as the RWD C platform for the sake of consistency, as most of the models remained the same, such as the Oldsmobile 98.
GM entered the diesel field with its acquisition of the Cleveland-based Winton Engine Company in 1930. Winton's main client was the Electro Motive Company, a producer of internal combustion-electric rail motorcars. GM acquired Electro Motive at roughly the same time as Winton.
GM 4L30-E transmission; GM 4L60-E transmission; GM 4L80-E transmission; GM 4T40 transmission; GM 4T60-E transmission; GM 4T80 transmission; GM 5L40-E transmission; GM 6T transmission; GM 6L transmission; GM 6L80 transmission; GM–Ford 6-speed automatic transmission; GM 8L transmission; GM 8L90 transmission; GM 9T50 transmission; Allison 1000 ...
The "XX" is a placeholder for the last two digits of the specific assembly code for each model. The platform, which replaced the GMT900 series that had been in production from 2007 to 2013, was introduced in April 2013 for the 2014 model year on the trucks, followed by the December 2013 production on the 2015 large SUVs that debuted in February ...
GM has invested more than $1 billion in the plant since 2011. Investments include: $204 million (2011) – 8-speed (8RWD) transmission program [1] $83 million (2011) – 6-speed (GF6) transmission enhancement [1] $55.7 million (2013) – increased capacity and tooling for all-new 8-speed (8RWD) and existing 6-speed transmission programs [1]