Volvo D13M500 6 Cylinder Diesel 500 hp Engine, 2017 US EPA Label, Requires Diesel Exhaust Fluid, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Volvo ATO2612F 12-Speed Automated Transmission, Differential Lock, 14600 lb Front Axle, 38000 lb Rears, 3.08:1 Axle Ratio, 52600 lb GVWR, Air Ride Cab, 77 in Condo Sleeper Cab, Bunk Heater, Coleman Mach Electric Sleeper Air Conditioner, Auxiliary Power Unit, Aluminum Wheels, 275/80R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Assist Front Suspension, Volvo Air Ride Suspension, 282 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks