http://FutureFordofSacramento.com/picking-the-right-ford-f150-vs-super-duty.htm 888-577-0454 The standard engine on the Ford F-250 and F-350 is a 6.2-liter flex-fuel V8 good for 385 horsepower and 405 lb-ft of torque. Optional is the 6.7-liter Power Stroke turbo diesel that generates 400 hp and an astounding 800 lb-ft of torque. Both engines are connected to a heavy-duty TorqShift 6-speed automatic transmission that offers manual gear selection.