Split Rockshaft Assembly with Fender Connectors for International McCormick IH Farmall A-189 Hillside Plows used on International and IH Farmall 140, 130, Super A, and 100 Tractors.
Rockshaft has one weld shown in photo number 4.
Case IH Split Rockshaft Assembly with Fender Connectors part numbers: 512447R21, 512464R91, 512458R91, 512462R91.