Are you asking about transmissions or transmission Oil?
#3
Lawnboy18
Please be more precise. We cannot read your mind! Give us your mower model number or the brand of the mower.
Most use Hydro gear. The lower end are not serviceable. The higher end one yes. Go to local dealer and tell him what you need. Read your manual to see how to service trans.
#4
jekjr
Zero Turns have different types. For instance a Scag has pumps and motors. A Kubota has a different system.