Fertilizer Countershaft Unit Spring for Farmall Cub Tractors.
This spring attaches to the main drive chain tightener assembly.
Case IH part number PO8.
Also used on the below listed International Harvester (IHC) equipment:
Fertilizer Unit- 101 and 118
Tractors- 200, 230, 240 International 240, 404, and 2404
Planters- Cub 173A, Cub 174A, and 184
Listers- 185C, 185R285, HM- 46, 46A, 47, 246, 246A, and 70A.