New OEM Tuff Torq replacement hydrostatic transmission for the right side when sitting on the mower. See compatibility list below or contact us with model & serial number if you are unsure of compatibility. Replaces John Deere part numbers MIA12729, AUC15342 and AM140314. Also replaces obsolete Tuff Torq tranmission models 787Q0824010, 787Q0824011, 787Q0824030 and 787Q0824031. This drop-in replacement comes pre-filled with oil.
EZtrak Z425 serial number 130001 and up
EZtrak Z445 serial number 130001 and up
EZtrak Z465 serial number 130001 and up