The 2021 Ram 1500 TRX is the fastest, most powerful off-road truck on the market. Its 702-horsepower engine was borrowed from the Hellcat line of Dodge high-performance cars, but in the TRX it has ...

you know the company has focused mainly on engines that power its off-highway heavy machines for over a decade, as it stopped making on-highway truck engines in 2010. That brought to an end a ...

Kenworth now offers the PACCAR TX-12 PRO transmission with MX-13 engines, delivering off-highway performance and ...