6.7 Cummins Vs. 6.6 Duramax: Here’s How These Diesel Engines Compare

When looking at heavy-duty trucks from a few of the biggest industry players like RAM and Chevy, one deciding factor is which diesel engine is best for you. This choice may seem like a straightforward one — easily decided by comparing output figures. However, both of these engines provide certain advantages and pack plenty of performance punch, making the decision a bit more challenging.  RAM 2500 offers the 6.7-liter Turbo Diesel Inline 6 from Cummins (standard version) that generates

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