Rockshaft uses 2 pins per side
Replaces Massey Harris Side Cover Panels part numbers 850771M3 and 850772M3
Flywheel step is 0
The center hole in the hub is 5/8" inch
60B-1 Single Spindle (1958-60)
Cultivator Middle - Row Buster Bar for Farmall 140, 130, Super A, 100, Cub, 274 Tractors Rockshaft uses 2 pins perCultivator Middle Buster, Row Buster, or Layoff Bar for International and IH Farmall 140, 130, Super A, 100, Cub, 274, and Other Tractor Models. Case IH Cultivator Middle Buster Bar part number 512624R2. To mount a cultivator shank to this bar requires a Cultivator Bar Clamp and Wedge which we also stock. We also stock a replacement New Late Style Middle Buster Bar. Both forged and welded bars provide the same function and use the same bar clamp and