7 Tooth Drive Gear for Farmall Fertilizer or Planter Units, PO1763 as shown in last photo

as shown in last photo

Minneapolis Moline Bearing part number - 20H1159

These toolbar extensions are used on BOTH Left and Right Rear Cultivators Assemblies

Made by Herschel

Also used on the below listed IH Farmall

7 Tooth Drive Gear for Farmall Fertilizer or Planter Units, PO1763 as shown in last photoFertilizer or Planter Drive Gear for IH Farmall 140, 130, Super A, 100, Cub, Super C, 200, 230, and Other Tractor Models. The drive gear has 7 teeth. Case IH Drive Gear part number PO1763. Referred to also in IH parts catalogs as "Sprocket Assembly". This drive sprocket has been discontinued by Case IH. This fertilizer drive gear fits many various IHC dry fertilizer, planters, listers, and cultivator units which use a 3 4" inch round shaft.