GM V8 8.1 L Liquid Propane Gas (LPG) Engine, Air Conditioner, Automatic Transmission, 12000 lb Front Axle, 21000 lb Rears, 33000 lb GVWR, 11R22.5 Front Tires, 11R22.5 Rear Tires, Spring Suspension, 211 in Wheelbase, PTO, 2006 Arrow 3000 gal Steel Tank, PTO Driven Pump, 1 Reels w/ Mechanical Register