Cummins X15 6 Cylinder 15.0 L Ultra Low Sulfur Diesel 450 hp Engine, 2020 US EPA Label, Requires Diesel Exhaust Fluid, 7648 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, 13220 lb Front Axle, 40000 lb Rears, 53220 lb GVWR, Air Ride Cab, 56 in Mid Roof Sleeper Cab, Aluminum Wheels, 11R22.5, Air Ride Suspension, 236 in Wheelbase, Air Sliding 5th Wheel, Headache Rack, Dual Fuel Tanks