Selected Option: Left & Right Set
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Hydro-Gear EZT Transaxle ZC-DNBB-3D8C-2WPX / ZC-ANBB-3D8B-2WPX — Left, Right or Pair
Find the correct left or right hydrostatic transmission for your zero-turn mower. Choose the Hydro-Gear ZC-DNBB-3D8C-2WPX left transaxle, ZC-ANBB-3D8B-2WPX right transaxle, or both units as a pair. These ZT-2200 / EZT assemblies are offered for select Cub Cadet RZT-50 applications, subject to matching the original transaxle configuration.
Use the option selector above to choose the side you need, view its part number, and open the corresponding purchase listing.
Hydro-Gear Transaxle Part Numbers: Left, Right or Pair
| Purchase Option | Hydro-Gear Model Number | Associated Husqvarna Reference* |
|---|---|---|
| Left / LH | ZC-DNBB-3D8C-2WPX | 596247401 |
| Right / RH | ZC-ANBB-3D8B-2WPX | 596247402 |
| Left & Right Pair | Both Hydro-Gear numbers listed above | One left and one right transaxle |
Cub Cadet RZT-50 Hydrostatic Transmission Fitment
Shopping for a Cub Cadet RZT-50 transmission, hydrostatic drive unit, or left and right transaxle set? The seller offers these assemblies for some RZT-50 zero-turn mowers and specifically requires checking the linkage locations.
Fitment depends on the exact mower and transaxle configuration. The RZT-50 name, 50-inch cutting deck, or EZT designation alone does not establish compatibility. Match the full identification number where possible. If your original number differs, obtain a verified replacement cross-reference or seller confirmation for your exact mower before ordering.
Husqvarna Z142 Transmission Reference
The Husqvarna parts catalog for Z142 product number 967924601-00, catalog dated 2018-09, specifies 596247401 for the left transmission and 596247402 for the right transmission. Both are described as EZT transmissions with a long Double-D axle configuration.
For this application, compare the original Hydro-Gear identification labels with the numbers above and confirm the seller’s assemblies match the required axle, linkage, and mounting configuration. This reference does not establish fitment for every Z142 or other Husqvarna zero-turn mower.
Hydro-Gear ZT-2200 / EZT Product Details
- Manufacturer: Hydro-Gear
- Product family: ZT-2200 / EZT
- Assembly type: Integrated hydrostatic transaxle for zero-turn mower wheel drive
- Available options: Left side, right side, or left and right pair
- Condition: New, as represented by the seller; review the selected listing for included components
How to Match Your Replacement Transaxle
- Read the identification label: Record the complete Hydro-Gear model number on each original unit.
- Identify the required side: Confirm left or right using your mower’s parts diagram.
- Compare the linkages: Check control-arm position, brake-arm arrangement, and bypass linkage.
- Check the axle and mounting: Compare axle length, shaft-end shape, wheel-hub interface, and mounting points.
- Review the purchase listing: Confirm the pulley, cooling fan, brackets, and other components included with your selected option.
Common Replacement Questions
Are all Hydro-Gear EZT transaxles interchangeable?
The EZT / ZT-2200 name identifies the product family. Order using the complete transaxle model number or a verified replacement reference for your mower’s configuration.
Can I purchase just the left or right transmission?
Yes. Select Left or Right for an individual unit, or Pair for one of each. Verify both original transaxle numbers when purchasing the pair.
Does weak drive on one side mean the transaxle needs replacement?
Weak drive can also result from a slipping drive belt, a bypass valve that is not fully closed, or a control-linkage problem. Follow the mower and Hydro-Gear troubleshooting procedures before deciding which assembly needs replacement.
Need help identifying your transaxle? Contact PTO Direct USA at support@ptodirectusa.com or (541) 361-8778 with your mower’s full model and serial numbers, text message mower ID tag, photographs of both Hydro-Gear labels, and clear views of the linkage and axle configuration.