Cummins ISB 215 6 Cylinder 5.9 L Diesel 215 hp Engine, 2004 US EPA Label, 6-Speed Manual Transmission, 8500 kg Front Axle, 17500 lb Rears, 26000.0 lb GVWR, 295/75R22.5 Front Tires, 275/80R22.5 Rear Tires, Spring Suspension, 158 in Wheelbase, PTO, 2000 gal Steel Tank, PTO Driven Pump, Front Spray, Rear Spray, Side Spray