Case IH rockshaft connector part number is 512447R21
The bumper has 4 mounting holes on each arm
3539007M91
Replaces Case IH Tachometer Cable Connector part number 369692R1
Bottom Tool Bar Extension Clamp for IH Farmall 140, 130, Super A, 100, Cub, Super C, B, 200, 230, 240 Tractors Case IH rockshaft connector partFront Cultivator Bottom Tool Bar Extension Clamp for International and IH Farmall 140, 130, Super A, 100, Cub, Super C, B, 200, 230, 240, and Other Tractor Models. Case IH Front Cultivator Bottom Tool Bar Extension Clamp part numbers 547750R1 and 28256BA. This tool bar bottom extension clamp is used on many IH cultivators. Commonly used to mount extension and layoff bars. Below is several of the IHC cultivators models that use this clamp: (1 F144)