We may have found other answers which could help you.
Click here for Transmission Oil Findsnapper riding mower won't stay running in gear, seat safety disconnected?
tranmission fluid in rear trans?
Snapper mower Z6004M?
how can I fix my Snapper 33" rider differential?
how to get my snapper z rider to start?
my snapper riding mower won't stay running when i release the brake?