Cummins ISM385 6 Cylinder 14.8 L Diesel 385 hp Engine, 2009 US EPA Label, Engine Brake, Eaton Fuller 13-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, Spicer Drive Axles, 52000 lb GVWR, Air Ride Cab, 11R24.5 Front Tires, 11R24.5 Rear Tires, Double Frame, Hendrickson Spring over Walking Beam Suspension, 197 in Wheelbase, PTO, Hydraulic System, 14 ft Long x 0 ft 53 in High Steel Body, Air Powered Roll Tarp, Air High-Lift Tailgate