Mack MP7 Ultra Low Sulfur Diesel Engine, Air Conditioner, Cruise Control, Power Windows, Mack Automated Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R22.5 Front Tires, 445/50R22.5 Super Singles Rear Tires, Air Ride Suspension, 188 in Wheelbase, PTO