Cummins X15 6 Cylinder 15 L Diesel 450 hp Engine, 2018 US EPA Label, 18882 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Automated Transmission, 13200 lb Front Axle, 40000 lb Rears, Paccar Drive Axles, 2.64:1 Axle Ratio, 53200 lb GVWR, Air Ride Cab, 62 in High Rise Sleeper Cab, Aluminum Wheels, 295/75R22.5, Paccar Air Ride Suspension, 224 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks