Servicing "unserviceable" Hydro Gear trans axles Cub Cadet Z Force S

The dealer wouldnt tell me what fluid to use and reccomended doing nothing about my hydros.. I'm glad I did! Link to hydro fluis I used - https://www.amazon.com/Stens-Shield-7... Harbor freight hand pump that worked - https://www.harborfreight.com/multi-u...