Genuine OEM Hydro-Gear FOR TORO & EXMARK LH/RH Transaxles – ZC-AUBB-3DKB-1PPX & ZC-DUBB-3DKC-1PPX / HYDRO- GEAR # EZ2200 / EZT2200. DIRECT REPLACEMENT FOR TORO OEM #’S. Upgrade and revitalize your zero-turn mower with these. Left hand & right-hand hydrostatic transaxles. These are a complete, integrated drive system featuring a 10cc motor & 10cc pump in a single, maintenance-free housing, designed for precision steering and long-term reliability & durability in your zero-turn mowers. The low-maintenance design means less time on upkeep and more time on the grass. The internal mesh oil filter extends life while the external cog brake provides maximum holding power. Stop the “Tracking” Issues on your TimeCutter or Quest! If your mower is pulling to one side or losing power after 30 minutes of cutting, your hydros are failing. Is the factory-spec 10cc displacement upgrade for Toro and Exmark residential zero-turns. Required for TimeCutter and Quest wheels. Don’t settle for the weaker 7cc or 8cc units found in lower-end mowers. These ZC-spec units provide the full hill-climbing torque and 7MPH ground speed your machine was designed for. Factory-sealed and expansion-tank ready for “plug and play” installation. Up to 215 ft-lb torque output. Fitment & Crossover Chart: Toro & Exmark. Model Family / Series. Toro/Exmark OEM Part #. MX4275, MX5075, MX5000, MX5475, MX6075. SS4235, SS4260, SS5000, SS5060, SS5425. Quest E-Series 42″, 50″, 54. Quest S-Series 50″, 54″, 60. Aftermarket transmissions often lack the internal mesh oil filters and precision-ground gears found in this OEM unit. Ensure your mower maintains its 7 MPH top speed and hill-climbing power with a factory-new replacement. BANG A GONG LET’S GET IT ON! WE WANT YOUR BUSINESS FOREVER! ELITE PRODUCT, GREAT PRICES &.