When there's a heavy load to move—and move quickly— few vehicles will do it better than Ford's new Super Duty pickups. The heart of a truck is its powerplant, and the top choice for these rigs is the new 6.7-liter diesel V8 that cranks out 400 hp and a pavement wrinkling 800 lb-ft of torque. That's more grunt than any other pickup or passenger vehicle sold in North America. Indeed, an F-350 dually can handle over 7000 pounds in its bed and tow more than 22,000 pounds with a fifth-wheel hitch. When the road gets muddy, there's a solid axle at each end of a 4WD Super Duty's chassis—and an optional electronic locking rear differential to split power equally to the rear wheels.