John Deere 750 15' No-Till Drill, Dual Box W/Dry Fertilizer, Liquid Fertilizer Plumbing, 7.5" Spacing, 4.5' X 15" Gauge Wheels, Discs Approx 14.75 - 15.5", Spring Down Pressure, Adjustable Down Pressure, Steel Wheel Covering Discs, 1 X 10 Rubber Press Wheel, Used A Squeeze Pump For Fertilizer, Tank Platform On Frame (See LM9348 Fertilizer Tank), 12.5L-15 Tires, SN: N00750X023052