Cat 3406C 6 Cylinder Diesel 425 hp Engine, Positive Air Shutoff, Engine Brake, Eaton Fuller 15-Speed Transmission, Spicer 4-Speed Auxiliary Transmission, Double Differential Locks, 32000 lb Front Axle, 64000 lb Rears, Planetary Drive Axles, 7.01:1 Axle Ratio, Aluminum Front Wheels, 445/65R22.5 Front Tires, 12.00R24 Rear Tires, Double Frame, Air Assist Front Suspension, Spring over Walking Beam Suspension, 320 in Wheelbase, PTO, 22 ft x 104 in Bed, Live Roll, 26 ft Tr ...