The Wacker Neuson Piston Pump is a genuine OEM component designed for the RD11V and RD11A Hydrostatic Double Drum Vibratory Rollers. Sourced directly from Wacker Neuson, this pump is an exact match for the hydrostatic drive system found in these tandem roller models. It delivers the hydraulic flow and pressure output the machine's drum drive and vibration circuits depend on, with no guesswork on fitment or compatibility.
Key Features
- Genuine OEM Hydraulic Precision — Manufactured to Wacker Neuson's exact displacement and pressure tolerances for the RD11 hydrostatic drive system, ensuring correct circuit performance from the first startup.
- Direct-Mount Replacement — Matches the original pump's port configuration and mounting interface on the RD11V and RD11A, allowing straightforward installation without adapters or modifications to hydraulic lines.
- Confirmed Fitment for RD11V and RD11A — Verified for both the RD11V and RD11A Hydrostatic Double Drum Vibratory Rollers, covering both variants in the RD11 tandem roller series.
- Sustained Drum Drive Performance — A properly functioning piston pump maintains consistent hydraulic flow to both drum drive motors, keeping compaction output and travel speed stable under load. A worn pump causes sluggish propulsion, erratic vibration output, and overheating of the hydraulic system.
- Hydrostatic System Integrity — As a primary pressure-generating component in a closed-loop hydrostatic circuit, using a correctly rated OEM pump prevents pressure drop that can cascade into drive motor and valve block damage.
The piston pump is the heart of the RD11's hydrostatic transmission, converting mechanical engine output into the pressurized hydraulic flow that drives both drum motors and powers the vibration system. When the pump wears or fails, the roller loses propulsion force, vibration amplitude drops, and the entire hydraulic circuit is put under stress from pressure instability. Replacing it with a genuine Wacker Neuson 5000114281 restores the system to its original operating specification, protecting downstream components and maintaining consistent compaction performance on asphalt and soil surfaces.
Part Details
| Part Number | 5000114281 |
|---|---|
| Old Part Number | 0114281 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Pump |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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.
