Paccar MX-13 12.9 L Ultra Low Sulfur Diesel 455 hp Engine, 2018 US EPA Label, Requires Diesel Exhaust Fluid, 13948.7 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Paccar P0-16F112 12-Speed Automated Transmission, Differential Lock, 12350 lb Front Axle, 38000 lb Rears, Paccar Drive Axles, 2.79:1 Axle Ratio, 50350 lb GVWR, Air Ride Cab, Aluminum Wheels, 275/80R22.5 Front Tires, 455/55R22.5 Super Singles Rear Tires, Paccar Air Ride Suspension, 186 in Wheelbase