New Fertilizer Unit 13 Tooth Drive Gear - Sprocket for Farmall 140, 130, Super A, 100, Cub and Other Tractor Models, PO3215X The upper Woodruff key slot

The upper Woodruff key slot is 1/4" inch in width

and McCormick-Deering Tractors

Referred to in Case IH parts catalog as "COUPLING BEAM"

New 12 Volt Electronic Ignition Conversion Kit for IH Farmall and International Tractor Models:  100

New Engine Saddle Mount Starter Switch - Button for International

New Fertilizer Unit 13 Tooth Drive Gear - Sprocket for Farmall 140, 130, Super A, 100, Cub and Other Tractor Models, PO3215X The upper Woodruff key slotNew Fertilizer Unit 13 Tooth Drive Gear for International and IH Farmall 140, 130, Super A, 100, Cub, and Other Tractor Models. This drive gear has 13 teeth. Drive gear is also referred to as a drive sprocket in some parts catalog. Replaces Case IH Drive Gear Sprocket Assembly part number PO3215X. USA MADE!!! This drive gear is also used on the below listed IHC, Farmall, McCormick, and International equipment models: Planters 184, 284, 186, 188, and