Great Plains 3S-3000 30' Folding Grain Drill, 7-1/2" Spacing, Double Disc Openers, Rubber Press Wheels, Hydraulic Fold, Hydraulic Down Pressure, Plumbed For Markers (Not Included), 9.5Lx15 Wing Tires, 11Lx15 Main Frame Tires, SN: GP-S1535