New Fertilizer Countershaft Unit Main Chain Tightener for International and IH Farmall Cub Tractors.

Case IH chain tightener part numbers 512189R91, 512189R93.

USA MADE!!!

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