International MaxxForce DT 6 Cylinder 7.6 L Diesel 300 hp Engine, 2008 US EPA Label, Webasto Engine Coolant Heater, Engine Brake, Allison Automatic Transmission, Differential Lock, 12000 lb Front Axle, 23000 lb Rears, 35000.0 lb GVWR, Air Ride Cab, 11R22.5, Spring Suspension, 220 in Wheelbase, 14 ft 2 in x 96 in Bed