Two of the biggest diesel engine manufacturers are Duramax and Cummins, who make engines for General Motors and Stellantis, respectively. Cummins began making engines in Columbus, Indiana in 1919 ...

495 lb-ft of diesel torque, more than 500 miles of range, and two locking differentials make this truck an overlander’s dream ...

Unfortunately, the Duramax diesel engine from the previous generation is still MIA. The AT4 model is ready for rocky trails, with a standard off-road suspension package and standard four-wheel ...

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