Cat 6 Cylinder Diesel Engine, Cruise Control, Manual Transmission, 9000 lb Front Axle, 19000 lb Rears, 28000 lb GVWR, Aluminum Outer Wheels, 11R22.5 Front Tires, 11R22.5 Rear Tires, Spring Suspension, 165 in Wheelbase, 14 ft 6 in Body, 800 gal Diesel Tank, ( 7 ) Hose Reels, Grease Barrel, Ingersoll-Rand C2475 Gasoline Air Compressor