Krause 1915 21' Wide Tandem Disk, Pin Hitch, Jack Std, Hydraulic Raise, Hydraulic Folding, Dual Wheels Main Frame, Single Wheels On Wings, 11L-15 Tires, 8" Disc Spacing, 21.25" Diameter Front Gang Disc Blades, 21" Diameter Rear Gang Disc Blades, 3 Tine Harrow, SN: 7647