Diesel engine: 6.7 liter V8, 440 hp @ 2,800 RPM, 925 lb-ft @1,800 RPM Gas engine: 6.2 liter V8, 385 hp @ 5,750 RPM, 430 lb-ft @ 3,800 RPM Transmission: Ford TorqShift 6-speed automatic Front suspension (4×2): Independent twin I-beam with coil springs