Here is another option on a 782 with some extras that is about 40 minutes away from Ft. Wayne.
http://fortwayne.craigslist.org/grd/4204548169.html
Or here is a Sears Craftsman, that is about a half hour away, in Markle.
http://fortwayne.craigslist.org/grq/4242594280.html
Hope this helps somehow....perhaps the second one (dealer) would take your fathers in and fix it or take it in on trade?
Cub Cadet 123