51501-55 Hydraulic Pump
51501-55 Hydraulic Pump
51501-55 “A-A” Gear Pump — 7.8, CCW
The 51501-55 is supplier-described as an “A-A” gear pump in a 7.8 counterclockwise configuration. Those details are central to correct hydraulic operation, so this pump should be chosen by exact identity and system requirements—not by size alone.
Why This Matters
Wrong rotation, displacement, shaft, or porting can prevent pressure generation and damage components. Confirm the manufacturer’s rotation-viewing convention before installation.
Product Details
| Part number | 51501-55 |
|---|---|
| Supplier configuration | Gear pump, “A-A” |
| Supplier-listed size | 7.8 (unit not specified; confirm) |
| Rotation | CCW / counterclockwise; confirm viewing convention |
Installation Guidance
Use the exact system procedure, maintain hydraulic cleanliness, verify rotation, prime as required, and never run the pump dry.
Before You Order
Match the complete part/build code and verify the equipment model/serial plus every relevant shaft, axle, controls, ports, brake, rotation, mounting, and revision detail. Similar appearance does not establish compatibility.
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.