I have owned a few Grasshoppers, and the traction kits all look the same.
Look at the 3452/3461 deck. 2012 year model on the Mower Shop parts diagram. Look at item item 59. That should work for you.
I had a 9852 on a 2001 725K and it was a minor PIA to use a pry bar to push the arms down to...