Cat C13 6 Cylinder Diesel Engine, Engine Brake, Eaton Fuller RTLO-16913A 13-Speed Manual Transmission, Differential Lock, 12000 lb Front Axle, 40000 lb Rears, Spicer DSH40 Drive Axles, 3.55:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R22.5, Low Air Leaf Air Ride Suspension, 244 in Wheelbase, PTO, 18 ft Long x 5 ft 10 in High Stainless Steel Body, Hour Meter Reads 24957