Cummins ISM 6 Cylinder Ultra Low Sulfur Diesel Engine, 2017.2 Engine hrs, Air Conditioner, Cruise Control, Engine Brake, Meritor 10-Speed Manual Transmission, 12000 lb Front Axle, 34000 lb Rears, 46000 lb GVWR, Aluminum Wheels, 275/80R22.5 Front Tires, 445/50R22.5 Super Singles Rear Tires, Air Ride Suspension, 180 in Wheelbase