Cummins X15 6 Cylinder 15 L Ultra Low Sulfur Diesel 450 hp Engine, 2016 US EPA Label, Requires Diesel Exhaust Fluid, 17134.9 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller RTLO-16913A 13-Speed Manual Transmission, Differential Lock, 13200 lb Front Axle, 38000 lb Rears, Paccar Drive Axles, 51200 lb GVWR, Air Ride Cab, 70 in High Rise Sleeper Cab, ComfortPro Diesel Sleeper Air Conditioner, Aluminum Wheels, 295/75R22.5, Paccar Air Ride Suspension, 244 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks