Cat C7 6 Cylinder 7.2 L Diesel 275 hp Engine, 2004 US EPA Label, 16985 Engine hrs, Engine Brake, Eaton Fuller Manual Transmission, 12000 lb Front Axle, 21000 lb Rears, 33000 lb GVWR, 11R22.5, Airliner Air Ride Suspension, 192 in Wheelbase, PTO, 124 in Cab to Axle, 177 in Cab to End of Frame