Cummins ISX15 6 Cylinder 15 L Ultra Low Sulfur Diesel 450 hp Engine, 2013 US EPA Label, Requires Diesel Exhaust Fluid, 16121 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller RTLO-16913A 13-Speed Manual Transmission, Differential Lock, 20000 lb Front Axle, 40000 lb Rears, 3.55:1 Axle Ratio, 60000.0 lb GVWR, Air Ride Cab, Aluminum Outer Wheels, 315/80R22.5 Front Tires, 295/75R22.5 Rear Tires, Dual Steering Boxes, Paccar Air Ride Suspension, 283 in Wheelbase, PTO, Double Frame, Century Rollback Body, 28 ft x 102 in Bed, Warn 20XL 20000 lb Winch, Hydraulic Wheel Lift