The Wacker Neuson is a genuine OEM Governor Arm Shaft designed for a range of Wacker Neuson tandem rollers, floor saws, and portable generators. This part is confirmed for use with the RD12A-90 Tandem Roller (including standard, Foldable ROPS, and double drum variants), the RD11A and RD11AEC Hydrostatic Double Drum Vibratory Rollers, the BFS 2020AS Floor Saw, and the GS12Ai 50Hz Portable Generator. As a genuine OEM component, the is manufactured to the exact specifications set by Wacker Neuson, ensuring a direct, hassle-free installation with no guesswork. When your governor linkage needs attention, sourcing the correct OEM shaft keeps your engine speed control operating as intended across every one of these machine families.
Key Features
- Genuine OEM Precision: — Manufactured to Wacker Neuson's exact dimensional and material specifications, ensuring the governor linkage engages and pivots with the correct geometry for consistent engine speed regulation.
- Direct-Fit Replacement: — Engineered to drop into the existing governor arm assembly without modification, aligning correctly with the pivot points and linkage hardware already on the machine.
- Broad Fitment Coverage: — Confirmed for RD12A-90 and RD11A series tandem rollers, the BFS 2020AS floor saw, and the GS12Ai portable generator — one part number serving multiple machine families.
- Engine Speed Stability: — A sound Governor Arm Shaft maintains the precise mechanical connection needed for the governor to hold steady RPM under load, preventing hunting, surging, or unresponsive throttle behavior.
- Fuel System Safety Relevance: — A worn or bent governor arm shaft can allow uncontrolled engine speed fluctuations; replacing it with the correct OEM shaft restores proper fuel system control and safe operating limits.
The Governor Arm Shaft is a key mechanical link in the engine's governor system, connecting the governor flyweights or servo mechanism to the carburetor or fuel injection throttle linkage. As engine load changes, the governor arm shaft transmits corrective movement to maintain a consistent, set engine speed without driver input. When this shaft is bent, worn at its pivot bore, or broken, the governor loses the ability to regulate RPM accurately — resulting in engine surging, speed hunting under load, or an inability to hold the correct operating speed, all of which directly affect compaction output on rollers, blade feed on saw applications, and power output stability on generators.
Part Details
| Part Number | 5000152510 |
|---|---|
| Old Part Number | 0152510 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor Arm Shaft |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12A-90 Tandem Roller | RD12A-90 | 5000620058, 5000620320, 5000620369 |
| BFS 2020AS SAW | BFS 2020AS | 5000620086 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11AEC | 5000007695 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
| 50Hz Portable Generator 12 kVA | GS12Ai | 5000009108 |
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.
