When coupled with an Endurant automated manual transmission, the X12 gets the new EX ratings package, providing an additional 1.5% fuel efficiency. Cummins has revealed its EPA 2021 ...
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5 Of The Best Cummins Engines Ever Made
Cummins has been making engines for trucks, tractors, and more for more than a century. So, after all that time, which models could be considered the best?
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