I would do a general internet search along the lines of "hytran vs generic fluid". Hytran is what is recommended by Cub Cadet, but is more expensive than generic fluid.
This topic has been debated many times before. Here are some discussions from our forum
http://www.onlycubcadets.net/forum/s...ghlight=hytran
http://www.onlycubcadets.net/forum/s...ghlight=hytran