Cummins ISX 450ST 6 Cylinder 15 L Diesel 450 hp Engine • 2008 US EPA Label • 9570 Engine hrs • Engine Brake • Eaton Fuller 10-Speed Manual Transmission • 12350 lb Front Axle • 40000 lb Rears • 52350 lb GVWR • 12R22.5 Front Tires • 11R22.5 Rear Tires • Air Ride Suspension • 235 in Wheelbase • 20 ft x 102 in Bed