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Hydro-Gear ZU-GPEB-SCLB-21LX ZT-3400 Integrated Hydrostatic Transaxle
$1,786.99
The ZT-3400 is built for demanding zero-turn service, but the complete build code is what makes it fit. Hydro-Gear ZU-GPEB-SCLB-21LX is an integrated pump-and-motor transaxle for equipment originally using this configuration.
Family specifications describe the platform; shafts, controls, brake, orientation, and mounting remain code-specific.
Why this matters
- Integrated construction creates a compact, serviceable wheel-drive package.
- Exact-code matching protects steering response and installation alignment.
- Official documents provide dependable maintenance and repair context.
Family specifications
| Pump displacement | 12 cc/rev |
|---|---|
| Motor displacement | 16 cc/rev |
| Input speed | 1,800–3,600 rpm |
| Output torque | Up to 500 lb-ft |
| Speed | Up to 10 mph |
| Gross vehicle weight | Up to 1,600 lb |
| Axle shaft diameter | 1.125 in |
| Approximate weight | 34.5 lb |
| Exact configuration | ZU-GPEB-SCLB-21LX |
| Supplier reference | ZU-GPEB-3CLB-21LX — identification/search aid only |
Official Hydro-Gear resources
Manual note: Use the mower manufacturer’s instructions for mower-specific removal and installation.
Ordering, lead time, returns, and warranty
- Match the complete 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.
- Hydro-Gear 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.