John Deere 637 Disk, Pin Hitch, 3 Remote Hydraulic Operation, Hydraulic Raise/fold/pitch, 32’1” Width, Front Disks Measure Approximately 21.75 Inches, Rear Measure Approximately 23”, 11-15 Wing Tires, 12.5l-15 Transport Tires, 5.90-15 Gauge Wheels