The Wacker Neuson Governor Spring is a genuine OEM component designed for the ML240, ML425, and ML225 light towers, MG3 portable generators, and MG3sd and MG3d generator variants. As a direct OEM replacement, this spring is manufactured to the same specifications as the original part, ensuring it integrates correctly into the governor assembly without any guesswork. Fitment extends across a wide range of Wacker Neuson light tower and portable generator configurations, making the correct choice for multiple units within these product families. Having the right part on hand keeps your equipment back in service fast.
Key Features
- OEM Spring Rate Accuracy — Manufactured to the original tension specification, so the governor responds predictably across the engine's operating range.
- Direct Drop-In Replacement — Engineered to seat and hook into the existing governor linkage exactly as the original, requiring only standard hand tools to install.
- Broad Model Coverage — Fits ML240, ML425, and ML225 light towers, MG3 and MG3sd portable generators, and MG3d generator units across multiple configuration codes.
- Stable Engine Speed Control — A correctly tensioned governor spring maintains steady RPM under load, protecting connected equipment from voltage or output fluctuation.
- Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson, part number 5000406807 carries full OEM traceability and is built to the same quality standard as the component it replaces.
The governor spring is a critical link in the engine's speed-control system. It works against the centrifugal force of the governor flyweights to hold the throttle at the correct position, keeping engine RPM steady as load increases or decreases. When the spring weakens, stretches, or breaks, the governor loses the tension it needs to regulate speed accurately — the result is engine hunting, surging, or an inability to hold a stable output, which can damage sensitive connected equipment such as lighting ballasts or power tools. Replacing a worn governor spring with a correctly rated OEM part restores proper governor balance and stable operation.
Part Details
| Part Number | 5000406807 |
|---|---|
| Old Part Number | 0406807 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Light Towers | ML240 | 5000630118, 5000630205, 5000630326 |
| Light Towers | ML425 | 5000630119, 5000630206 |
| Light Towers | ML225 | 5000630120, 5000630207 |
| Portable Generators | MG3 | 5000630142, 5000630135, 5000630256, 5000630225, 5000630230, 5000630234, 5000630238, 5000630240, 5000630253, 5000630309, 5000630311 |
| Portable Generators | MG3sd | 5000630201, 5000630215, 5000630235 |
| MG3 Generator | MG3d | 5000630213 |
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.
