Cummins ISX15 6 Cylinder 15 L Ultra Low Sulfur Diesel 450 hp Engine, 2018 US EPA Label, 17315 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller Automated Transmission, 12350 lb Front Axle, 40000 lb Rears, Meritor Drive Axles, 52350 lb GVWR, Air Ride Cab, Conventional 70 in High Rise Sleeper Cab, Bunk Beds, Aluminum Outer Wheels, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 230 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks