Cummins ISX15 6 Cylinder 15.0 L Ultra Low Sulfur Diesel 450 hp Engine, 2016 US EPA Label, Requires Diesel Exhaust Fluid, 18560.4 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller RTLO-16913A 13-Speed Manual Transmission, 13200 lb Front Axle, 40000 lb Rears, 53200.0 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R22.5, Air Trac Air Ride Suspension, 224 in Wheelbase, PTO, Air Sliding 5th Wheel