Hydro-Gear ZL-GNDF-SKDB-36LX ZT-3100 Integrated Hydrostatic Transaxle
$1,381.99
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Hydro-Gear ZL-GNDF-SKDB-36LX ZT-3100 Integrated Hydrostatic Transaxle
$1,381.99
A zero-turn transaxle is where engine power becomes controlled ground movement, so configuration accuracy matters. Hydro-Gear ZL-GNDF-SKDB-36LX is an integrated ZT-3100 drive for equipment originally fitted with this exact build code.
Family specifications describe the platform, while the complete code determines shafts, controls, brake arrangement, orientation, and mounting. Match every character before ordering.
Why this matters
- Integrated pump-and-motor design provides a compact, serviceable wheel-drive package.
- Exact-code matching protects steering response and installation alignment.
- Official manufacturer documents support maintenance and repair planning.
Family specifications
| Pump displacement | 10 cc/rev |
|---|---|
| Motor displacement | 16 cc/rev |
| Input speed | 1,800–3,600 rpm |
| Output torque | Up to 350 lb-ft |
| Speed | Up to 9 mph |
| Gross vehicle weight | Up to 1,200 lb |
| Axle shaft diameter | 1 in |
| Approximate weight | 32.5 lb |
| Exact configuration | ZL-GNDF-SKDB-36LX |
| Supplier reference | ZL-GNDF-3KDB-36LX — identification/search aid only; verify current relationship |
Official Hydro-Gear resources
- ZT-3100 manufacturer page
- ZT-3100 product card (PDF)
- ZT-2800/3100/3200 service and repair manual (PDF)
Manual note: This is a family service manual, not mower-specific installation instructions.
Ordering, lead time, returns, and warranty
- Match the full identification number on the original component and verify the equipment model and serial number.
- Many HydroDrives-supplied units are built to order and may require approximately 10–15 business days before shipment.
- Approved returns may incur a 20% restocking fee; original and return shipping charges are nonrefundable.
- Build-to-order, installed, used, damaged, or fluid-filled components may be ineligible for return.
- Applicable warranty coverage may require authorized-service-center installation. Retain service records.
Orders may ship directly from a U.S. partner warehouse. Availability and timing are subject to supplier confirmation.