The Wacker Neuson Hydraulic Motor is a genuine OEM component designed for the RD12A-90, RD12-90, RD11V, and RD11A series tandem rollers. As a direct OEM replacement, this part is built to the same specifications as the original unit installed at the factory, ensuring proper integration with the machine's hydraulic drive system. Confirmed fitment covers multiple RD12 and RD11 configurations, including standard, foldable ROPS, and hydrostatic double drum vibratory roller variants. When you match part number to your serial number and machine model, you can order with confidence knowing this motor is the correct unit for your roller.
Key Features
- Genuine OEM Hydraulic Output Spec — Manufactured to the exact displacement and pressure ratings required by the RD12A-90, RD12-90, RD11V, and RD11A drive systems, ensuring proper torque delivery to the drum.
- Drop-In Hydraulic Port Alignment — Hydraulic line ports and mounting flange match the original motor geometry, allowing a direct swap without rerouting hoses or adapting fittings.
- Broad RD-Series Compatibility — Fits multiple RD12A-90 and RD12-90 variants including standard solid ROPS and foldable ROPS builds, as well as the RD11V and RD11A hydrostatic double drum models.
- Restored Drum Drive Performance — A worn or failed hydraulic motor causes loss of drum propulsion, uneven compaction passes, and potential machine immobilization; replacing it restores full forward and reverse drive authority.
- Hydraulic System Integrity — Proper internal sealing on this motor prevents hydraulic fluid bypass and pressure loss, which can otherwise overheat the system and damage downstream hydraulic components.
The hydraulic motor on a tandem roller converts pressurized hydraulic fluid from the machine's pump into rotational force that drives the drum or propels the machine. On RD-series rollers like the RD12 and RD11, the hydraulic drive system governs both travel speed and compaction drum movement, making the motor a critical component for consistent, controlled asphalt and soil compaction passes. When the hydraulic motor begins to wear, symptoms typically include sluggish or uneven travel, loss of drum speed, and excessive heat buildup in the hydraulic circuit — all of which compromise compaction quality and can lead to broader system damage if left unaddressed.
Part Details
| Part Number | 5000114214 |
|---|---|
| Old Part Number | 0114214 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hydraulic Motor |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12A-90 ROLLER,DBL DRUM,GRN | RD12A-90 | 5000620369, 5000620058, 5000620320 |
| RD12-90 ROLLER, DOUBLE DRUM, SOLID ROPS | RD12-90 | 5000620059, 5000620321 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11V | 5000007694 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
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.
