Paccar 6 Cylinder 12.9 L Ultra Low Sulfur Diesel 455 hp Engine, 15662 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Paccar P016F112C 12-Speed Automated Transmission, 12350 lb Front Axle, 40000 lb Rears, Paccar Drive Axles, 2.64:1 Axle Ratio, 52350 lb GVWR, Air Ride Cab, 62 in High Rise Sleeper Cab, Bunk Beds, Bunk Heater, Aluminum Wheels, 295/75R22.5, Paccar 4-Bag Air Ride Suspension, 228 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks