The owner of a 2022 Ford F-250 has issues with the engine and ... wrong. It is the 6.7-liter Scorpion diesel engine, which pumps out 475 horsepower and 1,050 pound-feet of torque.

Since 1989, RAM (earlier Dodge RAM) has been using engines made by Cummins on their popular pickup trucks. The journey, which started with the first generation 5.9-liter 160 hp turbo diesel, has ...