Cat C7 6 Cylinder 7.2 L Diesel 330 hp Engine, 2001 US EPA Label, CARB Compliant, 16230 Engine hrs, 6-Speed Manual Transmission, 10000 lb Front Axle, 23000 lb Rears, Dana 23080S Drive Axles, 5.29:1 Axle Ratio, 33000 lb GVWR, Air Ride Cab, 11R22.5, Spring Suspension, 200 in Wheelbase, 130 in Cab to Axle, 176 in Cab to End of Frame