Hydro-Gear ZU-KPEE-3N5C-3UXX ZT-3400 Integrated Hydrostatic Transaxle
Hydro-Gear ZU-KPEE-3N5C-3UXX ZT-3400 Integrated Hydrostatic Transaxle
This is the working heart of one side of a zero-turn drive, and the complete build code determines whether it belongs on the machine. Hydro-Gear ZU-KPEE-3N5C-3UXX is an integrated ZT-3400 transaxle for equipment originally fitted with this exact configuration.
The official family specifications describe the platform; shafts, controls, brake arrangement, orientation, and mounting are set by the full build code. Match the entire code before ordering.
Why this matters
- Integrated pump-and-motor construction creates a compact, serviceable drive package.
- Exact configuration matching protects steering response and installation alignment.
- Official product and service documents support informed maintenance planning.
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-KPEE-3N5C-3UXX |
Official Hydro-Gear resources
Manual note: The service manual supports diagnosis and repair; 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 mower 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 installation by an authorized service center. Retain installation and service records.
Orders may ship directly from a U.S. partner warehouse. Availability and timing are subject to supplier confirmation.