The Wacker Neuson Exciter Switch is a genuine OEM component designed for the RD12-90 and RD12A-90 tandem roller series. As a direct factory replacement, this switch restores proper vibration control to your machine and is confirmed to fit multiple RD12-90 and RD12A-90 configurations, including standard, foldable ROPS, and double-drum variants. Sourced directly from Wacker Neuson, part number meets the same specifications as the original part installed at the factory. Keep your tandem roller performing at full compaction capacity with a switch that installs exactly like the one it replaces.
Key Features
- Genuine OEM Switching Accuracy — Engineered to deliver the correct electrical signal to the exciter system, ensuring the vibration mechanism engages and disengages exactly as designed.
- Direct Drop-In Replacement — Matches the original connector, mounting, and switching logic of the factory-installed unit, making installation straightforward on compatible RD12-90 and RD12A-90 machines.
- Broad RD12 Series Coverage — Fits RD12-90 and RD12A-90 tandem rollers across multiple configurations, including standard solid ROPS and foldable ROPS variants.
- Restores Full Compaction Control — A faulty exciter switch can leave the drums running without vibration — or prevent engagement entirely — compromising asphalt and soil compaction results. This replacement puts operator control back where it belongs.
- Operator Safety Relevance — Proper exciter switch function is essential for predictable drum behavior; a switch that sticks on or fails to disengage can create unsafe operating conditions on grade or near trench edges.
The exciter switch controls whether the vibratory system in the tandem roller's drums is activated or deactivated. When the operator engages the switch, it sends a signal to the exciter circuit, causing the drums to vibrate and deliver the compaction force needed to consolidate asphalt or soil. When the switch wears out or fails, the drums may lose vibration entirely, vibrate uncontrollably, or become unresponsive to operator input — all of which can result in poor compaction quality and unsafe machine behavior.
Part Details
| Part Number | 5200023171 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exciter Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12A-90 Tandem Roller, Foldable ROPS | RD12A-90 | 5000620320, 5000620058, 5000620369 |
| RD12-90 Tandem Roller, Foldable ROPS | RD12-90 | 5000620321, 5000620059 |
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.
Wacker Neuson
Wacker Neuson Part # 5000116810 - Switch-Exciter - Genuine OEM Part
