Paccar MX-13 6 Cylinder 12.9 L Diesel 510 hp Engine, 2018 US EPA Label, Requires Diesel Exhaust Fluid, Positive Air Shutoff, 5393.1 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller Ultrashift Plus Automatic Transmission, Double Differential Locks, 13200 lb Front Axle, 40000 lb Rears, 53200 lb GVWR, Air Ride Cab, 48 in Mid Roof Sleeper Cab, Bunk Heater, Aluminum Wheels, 11R22.5, Paccar Air Ride Suspension, 241 in Wheelbase, Dual Fuel Tanks