Cat C15 6 Cylinder 15.2 L Diesel Engine, 2000 US EPA Label, 20608 Engine hrs, Engine Brake, Eaton Fuller RTLO-18918B Transmission, Double Differential Locks, 16000 lb Front Axle, 46000 lb Rears, 59200 lb GVWR, 34 in Flat Top Sleeper Cab, Aluminum Wheels, 11R22.5 Front Tires, 11R24.5 Rear Tires, Hendrickson Air Ride Suspension, 220 in Wheelbase, PTO