Unverferth Brent CPC 7-Shank Disk Ripper, 30" Shank Spacing, Approximately 17-1/2' Working Width, 11" Disk Blade Spacing, Scrapers, 23.5" Diameter Front Disk Blades, 25" Rear Disks Blades, Hydraulic Disk Gang Depth Setting, Depth Stops, Hydraulic Folding Wings, Pin Hitch, 21.5L-16.1 Tires, SN: B1674104