The belt drive output shaft is 1-1/8" inch diameter and 6 spine where as the standard PTO 540 RPM output shaft is 1-3/8" inch diameter and 6 spline
Fertilizer or Planter Unit Back Drive Gear and Pin for International and IH Farmall 140
if not quantity 4 are needed to mount the drawbar
and Most Tractors Using Standard 540 RPM PTO Shaft
IH Cultivator Planter Runner Clamp Cuff for Farmall 140, 130, Super A, 100, Cub and Other Tractor Models The belt drive output shaftIH Planter Runner Clamp with Wedge Bolt for International and IH Farmall 140, 130, Super A, Super A, 100, Cub, and Other Tractor Models. Planter runner clamp is in good usable condition. Case IH part numbers: 512387R11, 512387R1, 512387R3. The last 3 photos show the placement of the planter runner clamp. Most commonly used on the International model A 178 planter runner frame to mount the front fertilizer knife or rowbuster shank.