The Wacker Neuson Pump Motor 12V is a genuine OEM component designed for the RD27-100 and RD27-120 hydrostatic vibratory rollers. As a direct factory replacement, this 12V motor is sourced and spec'd to the same standards as the original unit installed at the time of manufacture. Confirmed fitment covers multiple build variants of both the RD27-100 and RD27-120 series, making it the right call whether you're servicing an earlier or later production machine. Ordering by part number ensures you're getting the exact unit your roller was designed to run.
Key Features
- OEM-Matched 12V Output — Built to the same voltage and torque spec as the original motor, ensuring the hydraulic pump receives consistent, correctly rated drive power.
- Drop-In Replacement — Mounts and connects identically to the factory unit, with matching bolt pattern and connector interface for straightforward installation.
- Broad RD27 Series Coverage — Fits RD27-100 and RD27-120 hydrostatic vibratory rollers across multiple documented build variants and machine numbers.
- Hydrostatic System Integrity — A correctly functioning pump motor maintains stable hydraulic flow and pressure to the drive system; a failed unit results in loss of propulsion or erratic roller behavior on the compaction pass.
- Genuine Wacker Neuson OEM Part — Supplied through the authorized Wacker Neuson parts chain, carrying the full traceability and quality assurance of a genuine factory component.
The pump motor on a hydrostatic vibratory roller drives the hydraulic pump that powers the machine's propulsion and, in some configurations, auxiliary functions. On the RD27 series, this 12V motor is responsible for converting electrical input into the rotational force needed to pressurize the hydraulic circuit — keeping the roller moving consistently and delivering the compaction force the drums are designed to produce. When the motor weakens or fails, hydraulic pressure drops, propulsion becomes sluggish or stops entirely, and compaction output suffers — halting the job until the motor is replaced.
Part Details
| Part Number | 5000162203 |
|---|---|
| Old Part Number | 0162203 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pump Motor 12V |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620007, 5000620037 |
| Hydrostatic Vibratory Roller | RD27-120 | 5000009469, 5000620038 |
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.
