Volvo 6 Cylinder Ultra Low Sulfur Diesel Engine, Requires Diesel Exhaust Fluid, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Volvo AT2612D Automated Transmission, 12350 lb Front Axle, 40000 lb Rears, Meritor MT-40-14X Drive Axles, 52350 lb GVWR, Air Ride Cab, 61 in High Rise Sleeper Cab, Diesel Sleeper Air Conditioner, Thermo King Tri PAC Auxiliary Power Unit, Aluminum Wheels, 295/75R22.5 Front Tires, 445/50R22.5 Super Singles Rear Tires, Volvo Air Ride Suspension, 208 in Wheelbase, Dual Fuel Tanks