Cat 3126 7.2 L Diesel Engine, 1999 US EPA Label, Air Conditioner, 7-Speed Manual Transmission, 8500 lb Front Axle, 17500 lb Rears, 26000 lb GVWR, 11R22.5 Front Tires, 10R22.5 Rear Tires, Spring Suspension, 230 in Wheelbase, PTO, 18 ft Body, 1000 gal Diesel Tank, ( 3 ) Oil Tanks, ( 7 ) Hose Reels, Grease Barrel, Oil Recovery System, Pintle Hitch, Ingersoll-Rand 2475 Hydraulic Air Compressor