steel unimount wheels, air brakes, spring susp, ball hitch w/electric brake controller, 33,000# GVWR, 13' tank, approx 2,000 gallons total tank cap, approx 500 gallons fuel/1500 gallons water compartments, Fill Rite 900 meter, retractable hose reel, rear hyd driven centrifugal water pump, strobe light, air output hose, rear water distributors