Hydro-Gear PW-1KRR-MY1X-XXXX Hydraulic Pump
The heart of a hydrostatic drive system, built to deliver precise, repeatable fluid flow. The Hydro-Gear PW-1KRR-MY1X-XXXX is a variable-displacement hydraulic pump configuration intended for matched mobile-equipment drive applications.
A replacement pump must do far more than bolt in place. Rotation, shaft, controls, ports, displacement, mounting, and system calibration all need to agree with the original unit. Use the complete PW-1KRR-MY1X-XXXX build code as the primary identifier.
Why This Matters
An incorrect pump configuration can cause poor control, reversed operation, overheating, or damage elsewhere in the hydraulic circuit. Exact identification—and correct purge and startup procedures—matters as much as the physical installation.
Product Details
| Manufacturer | Hydro-Gear |
|---|---|
| Part / build code | PW-1KRR-MY1X-XXXX |
| Product family | PW / P-Series variable-displacement hydraulic pump |
| Application | Hydrostatic mobile-equipment drive systems |
| Fitment | Configuration-specific; verify every character of the original code |
Reference Numbers
98-8431 and PW1KRRMY1XXXXX are retained as identification/search aids only. They are not, by themselves, confirmation of interchangeability.
Manufacturer Resources
- Hydro-Gear pump overview
- Hydro-Gear pumps product/specification card (PDF)
- Hydro-Gear P-Series service and repair manual (PDF)
The service manual is a family-level service reference, not an equipment-specific installation guide. Follow the machine manufacturer’s procedures, fluid requirements, and system-purge instructions.
Before You Order
Match the complete part/build code and verify the original component, equipment model and serial number, plus all relevant shaft, axle, control, port, brake, rotation, mounting, and revision details. A partial code or similar appearance is not enough to confirm fitment.
Lead Time, Returns & Warranty
- Many HydroDrives-supplied products are built to order and may require approximately 10–15 business days before shipment.
- Orders may ship from a U.S. partner warehouse, subject to confirmation.
- Approved returns may be subject to a 20% restocking fee; shipping is nonrefundable.
- Build-to-order, installed, used, damaged, or fluid-filled products may be nonreturnable.
- Warranty coverage may require authorized-service-center installation. Retain service records.