6.8L 2V DEVCT NA PFI Gas V8:Unleash power with 405 horsepower and 445 lb.-ft. of torque. Engineered for peak torque at lower RPM and consistent power in the midrange. Paired with the robust TorqShift-G 10-speed automatic transmission for seamless performance.7.3L OHV PFI Gas V8:
Designed for heavy-duty tasks, this V8 boasts commercial-grade durability and performance. With port fuel injection, it optimizes low-end torque and utilizes variable-cam timing for high-output power. Featuring a cast-iron block, four-bolt, cross-bolted main bearings, and a forged-steel crankshaft, it’s the largest, most powerful gas V8 in its class, rated at 430 hp and 485 lb.-ft. of torque.

TorqShift 10-Speed Automatic Transmission:
Experience enhanced low and midrange performance with the TorqShift 10-speed automatic transmission. Three overdrive gears provide optimum towing power. Choose from five selectable modes: Normal, Slippery, Tow/Haul, Eco, and Deep Sand/Snow.