New Fertilizer Countershaft Unit Main Chain Tightener for IH Farmall Cub Tractors.
Case IH part numbers 512189R91, 512189R93.
For use with use with Cub-53-A, Cub-54-B, Cub-53-C, and Cub-54-A Fertilizer Attachments (see additional information below).
NOT for use with Cub-101A Fertilizer Attachment used on Cubs with 1 Point Fast Hitch. (101A uses Case IH part number 520207R91).
Cub-53-A used with Cub-172 Runner Planter.
Cub-53-B used with Cub-171 Blackland Planter.
Cub-53-C used with Cub-144 Cotton and Corn Cultivator for fertilizer side dressing. (most common).
Cub-54-A used with Cub-170 Combination Planter.