The Wacker Neuson 5100031889 is a genuine OEM Governor Lever Complete designed for the RD7 and RD10 series walk-behind tandem rollers, including RD7Ye, RD7Yeh, RD7Yehf, RD7Yehfb, and RD10Yehf models in both HRC and LRC configurations. As a factory-sourced component, it meets the exact material and dimensional specifications set by Wacker Neuson for this engine governor linkage position. This part services a wide range of RD-series walk-behind roller variants, making it a dependable stocking choice for fleet operators and service technicians who maintain multiple machines.
Key Features
- Genuine OEM Lever Geometry — Manufactured to Wacker Neuson's original pivot geometry and lever arm length, ensuring the governor responds accurately across the full throttle range of your RD-series roller engine.
- Direct Drop-In Installation — Engineered to mount at the correct pivot point on the engine governor assembly without any modification to existing linkage hardware or springs.
- Broad RD7 and RD10 Series Coverage — Confirmed fitment across RD7Ye, RD7Yeh, RD7Yehf, RD7Yehfb HRC/LRC, and RD10Yehf LRC walk-behind tandem roller variants.
- Consistent Engine Speed Control — A correctly functioning governor lever holds engine RPM steady under varying drum load conditions, protecting compaction consistency and preventing over-revving on light passes.
- Long-Term Pivot Integrity — OEM-grade material resists the wear and fatigue that develops at the lever pivot point during continuous throttle actuation cycles on high-use machines.
The governor lever is a mechanical linkage component that connects the engine's centrifugal governor flyweights to the carburetor throttle plate. Its job is to maintain a stable, preset engine speed by translating flyweight movement into throttle adjustments as load on the engine changes. When this lever wears, bends, or develops play at its pivot, the engine loses the ability to hold steady RPM — symptoms include hunting, surging, or an inability to reach full governed speed — all of which directly compromise compaction output and drum drive performance on the tandem roller.
Part Details
| Part Number | 5100031889 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor Lever Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD7Ye Tandem Roller | RD7Ye | 5100027116, 5100027117, 5100038032, 5100048340 |
| RD7Yehf HRC | RD7Yehf HRC | 5100006337, 5100006341 |
| RD7Yehfb LRC | RD7Yehfb LRC | 5100006345 |
| RD7Yehf LRC | RD7Yehf LRC | 5100006340 |
| RD7Yehfb HRC | RD7Yehfb HRC | 5100006346 |
| RD10Yehf LRC | RD10Yehf LRC | 5100070502 |
| RD7Yeh HRC | RD7Yeh HRC | 5100006336, 5100006467 |
| RD7Yeh LRC | RD7Yeh LRC | 5100006335 |
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.
