The Wacker Neuson Hydraulic Pump is a genuine OEM component designed for the RD25 hydrostatic double drum vibratory roller. Sourced directly from Wacker Neuson, this pump is manufactured to the same standards as the original unit installed at the factory, ensuring a straight swap with no compatibility guesswork. If your RD25 is showing signs of sluggish travel, weak drum drive, or loss of hydrostatic pressure, replacing the hydraulic pump with the correct OEM part restores full system performance.
Key Features
- Genuine OEM Hydraulic Output Spec: — Built to the exact flow and pressure ratings required by the RD25 hydrostatic circuit, ensuring the drum drive and propulsion systems receive the correct hydraulic output.
- Direct-Fit Replacement: — Matches the original pump's port configuration and mounting pattern, allowing straightforward installation on the RD25 tandem roller without modification to lines or brackets.
- RD25 Tandem Roller Fitment: — Confirmed for the RD25 hydrostatic double drum vibratory roller, verified by Wacker Neuson part number 5000156789.
- Restores Full Hydrostatic Drive Function: — A worn or failing hydraulic pump causes loss of travel speed, uneven drum drive, and reduced compaction force; this OEM replacement returns the machine to full operational capacity.
- Hydraulic System Integrity: — Using an incorrect or undersized pump risks pressure imbalances that can damage downstream hydrostatic components — the correct OEM unit protects the integrity of the entire drive circuit.
The hydraulic pump is the heart of the RD25's hydrostatic drive system, supplying pressurized fluid to power both drum vibration and machine propulsion. When the pump is functioning correctly, the roller delivers consistent travel speed and compaction force across asphalt and soil surfaces. As the pump wears, internal leakage reduces system pressure, leading to sluggish or erratic drum movement, reduced travel speed, and ultimately a machine that cannot compact effectively — making timely replacement critical to keeping production on track.
Part Details
| Part Number | 5000156789 |
|---|---|
| Old Part Number | 0156789 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hydraulic Pump |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Double Drum Vibrat ory Roller | RD25 | 5000009317 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
