2008 John Deere 512 Disk Ripper, 17'6" Wide, Pin Hitch, Scrapers, 7-Shank, 30" Shank Spacing, Spring Shanks, 11" Disc Spacing, Front Discs Approx. 22.5", Rear Discs Approx 23", Hydraulic Up And Down, 280/75R15 Tires, SN: N00512X012754