Cat 3306 6 Cylinder Diesel 300 hp Engine, Air Conditioner, Eaton Fuller RTOF11708LL 10-Speed Manual Transmission, Differential Lock, 20000 lb Front Axle, 46000 lb Rears, 4.89:1 Axle Ratio, 66000 lb GVWR, 425/65R22.5 Front Tires, 11R22.5 Rear Tires, Dual Steering Boxes, Hendrickson Walking Beam Suspension, 225 in Wheelbase, PTO, Double Frame, 4000 gal Steel Tank, PTO Driven Pump, 7 ft 8 in Spray Bar, Front Spray, Rear Spray