Great Plains 3S-4000 40' Drill, 4 Auxiliary Hydraulics, 10.00-16.5 Operational Tires, 33X15.50-16.5 Transport Tires, Pin Hitch, 7" Spacing, 33x15.5-16.5 Main, 10.00-16.5 Wing Tires, 7.6" Spacing, SN: YY1145