6.7 Cummins Vs. 6.6 Duramax: Here's How These Diesel Engines Compare
There is also a high-output Cummins engine available for the RAM 3500 that boosts horsepower to 420 and offers a more ...
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2025 Ram HD Coming January 7
The big news for model year 2025 is the Cummins diesel sixer, which is expected to switch from compacted graphite iron to ...