Farmall Cub Seriel number

The answer is correct. The "J" was appended so that the service technicians/partsmen would know that a particular Cub was equiped with a Rockford clutch and not the Auburn. Otherwise the tractor would have to be split to tell the difference.

If you want to learn more about your Cub, click on the Cub Manual Server link below. There is tons of information there as well as links to the Cub FAQ'a at the ATIS forum, the Best of H.L. Chauvin, Cub Stuff and all kinds of other useful information and including of course manuals from Service, Parts and Owner's to Implements and Accessories.

There is even some historical stuff such as Cub Ads and Brochures as well as the Paint Charts and Decal information.

• Cub Manuals