The Wacker Neuson Governor is a genuine OEM component designed for the GPS9700 and GS9.7V portable generators, PTS4V centrifugal trash pumps, and the RD11V tandem vibratory roller. As a factory-sourced part, the is manufactured to the same specification as the original, ensuring a direct, correct-fit installation with no guesswork. This governor is a critical engine management component, and fitting a genuine Wacker Neuson replacement is the surest way to restore consistent engine speed control across all operating conditions. Confirm your model number before ordering to ensure full compatibility with your specific machine configuration.
Key Features
- Genuine OEM Engine Speed Calibration: — Factory-matched to Wacker Neuson's original output specification, ensuring the engine holds its target RPM under varying load conditions — not just at idle.
- Direct-Fit Replacement: — Engineered to mount and connect exactly as the original, with matching port geometry and linkage points for straightforward installation.
- Broad Model Compatibility: — Fits GPS9700 and GS9.7V portable generators, PTS4V and PTS4V(I) centrifugal trash pumps, and the RD11V tandem roller — one part number across multiple machine families.
- Stable Power Output Under Load: — A correctly functioning governor prevents RPM hunting, surging, and over-speed conditions that can damage connected equipment or degrade pump and compaction performance.
- Fuel System Safety: — Proper governor function is essential for controlling fuel delivery in response to engine load; a failed governor can cause dangerous over-speed or stalling, making timely replacement a safety priority.
A governor regulates engine speed by automatically adjusting the fuel supply in response to changes in load. When demand on the engine increases — such as when a pump encounters resistance or a roller hits a dense pass — the governor opens the throttle to maintain the set RPM. When load drops, it reduces fuel input to prevent over-revving. Without a functioning governor, the engine cannot hold a steady speed, leading to surging, stalling, reduced output quality, and potential mechanical damage from uncontrolled over-speed events.
Part Details
| Part Number | 5000118438 |
|---|---|
| Old Part Number | 0118438 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Generator with Electr ic Start | GPS9700 | 5000008287, 5000620264 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11V | 5000007694 |
| Portable Generator with Electr ic Start | GS9.7V | 5000007662 |
| PTS4V Pump | PTS4V | 5000620971, 5000007691, 5000007683, 5100031221 |
| PTS4V(I) Pump | PTS4V(I) | 5000620972 |
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.
