Cummins 6 Cylinder Diesel Engine, Aluminum Wheels, 445/65R 22.5 Front Tires, 11R24.5 Rear Tires, Air Ride Suspension, 296 in Wheelbase, Steel 1600 gal Debris Tank, Hydraulic Lift Tailgate, Telescopic Boom, 9 in Suction Hose, Pralissali Hydraulic Driven Pump, Howden Blower w/ 2294 hrs, Dynablast HV690F S012V 690000 BTU Boiler