You can down load a service for a 70-100 IH Cub Cadet in the tech section.
https://s3.us-east-2.amazonaws.com/c...ervice+Man.pdf
Manual shows how to remove-install the rear end.
Page 2 of this topic shows what is involved to fix your brake issue.
https://www.onlycubcadets.net/forum/...ght=Uncle+Dick