Moving over to the Ford Power Stroke side, the company's 6.7-liter engine first hit the market in 2011 and it powers Ford's Super Duty trucks, from the F-250 all the way up to the F-750.

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The Cummins 6.7L and Ford Power Stroke 6.7L engines are arguably two of the most popular diesel units on the market. How do they stack up against each other?