The Wacker Neuson is a genuine OEM Hydraulic Exciter Motor designed for the RD7 series walk-behind tandem rollers, including the RD7H-ES, RD7H-S, and RD7-RAW variants. As a direct factory replacement, this motor meets the same hydraulic pressure, flow, and torque specifications as the original unit installed at the time of manufacture. Sourcing the correct OEM part ensures the exciter system operates at its rated vibration amplitude and frequency — both of which are critical to achieving proper asphalt and soil compaction density. Keep the Wacker Neuson part number on hand to verify fitment before ordering.
Key Features
- OEM-Matched Hydraulic Output: — Built to the same displacement and pressure ratings as the original, ensuring the exciter drum spins at the correct eccentric weight speed for specified compaction performance.
- Direct Bolt-In Replacement: — Engineered to match the original hydraulic port configuration and mounting interface on RD7 series drums, allowing installation without machining or adapter fittings.
- Broad RD7 Series Coverage: — Confirmed fitment across RD7H-ES, RD7H-S, and RD7-RAW tandem roller configurations, covering both EU and standard market machines.
- Protects Compaction Output: — A worn or failed exciter motor reduces drum vibration amplitude, leading to inconsistent mat density and failed compaction tests; replacing it restores full vibratory force.
- Genuine Wacker Neuson OEM Part: — Sourced directly from Wacker Neuson, carrying the same part number used in production, so you can be confident the component matches your machine's hydraulic system design.
The hydraulic exciter motor is the drive unit that powers the eccentric weight assembly inside each vibratory drum of a tandem roller. Pressurized hydraulic fluid from the machine's circuit spins the motor shaft, which rotates an offset mass at high speed to generate the vibration force transmitted into the surface being compacted. When this motor underperforms or fails, drum vibration drops off or stops entirely, leaving the roller unable to achieve the compaction densities required for asphalt paving or soil base preparation — problems that may not surface until compaction testing reveals a failed layer.
Part Details
| Part Number | 5000112363 |
|---|---|
| Old Part Number | 0112363 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hydraulic Exciter Motor |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD 7ES | RD7H-ES EU | 5000620794 |
| RD 7S | RD7H-S EU | 5000620795 |
| RD7H-ES Tandem Roller | RD7H-ES | 5000009408 |
| RD7H-S ROLLER,DOUBLE DRUM | RD7H-S | 5000009487 |
| Walk-behind Vibratory Roller ( no engine) | RD7-RAW | 5000620079, 5000620596, 5000620478 |
| Double Drum Vibratory Roller | RD7H | 5000008042 |
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.
