Ford’s 6.4L and 6.7L Power Stroke turbo diesel engines represent two very different eras in the brand’s heavy-duty legacy. Both were built to power the mighty Super Duty lineup, using high-pressure ...

Both Cummins and Ford offer 6.7-liter diesel engines. They share a few similarities, but those don't go much further than their displacements.

Instant throttle response, big torque, and the ability to get loads moving in a hurry were great selling points for the 2011 Super Duty. Thanks to a variable geometry turbocharger, reverse flow ...

The polarizing 6.0 Liter Power Stroke was supposed to rise to the top of the segment, instead it's many problems caused its fall from grace.