Allison Transmission has been an integral part of America's automotive technology with a long resume specified by more than 200 auto manufacturers. This age-old transmission company has played a big ...

There's an interesting thing about early Chevrolet Silverado and GMC Sierra trucks equipped with the Duramax diesel engine and Allison transmission. From 2001-2005, these trucks were equipped with a ...

If there’s a name that General Motors truck buyers trust, its Allison. The Indianapolis-based engineering firm, which was once a owned by GM, introduced its 1000-series transmission in 1999, which has ...

The newest diesel engines and powertrains offered by GM, Ford, and Dodge have energized diesel-pickup enthusiasts and aftermarket manufacturers alike--for good reason. Performance has entered a whole ...