The Wacker Neuson Governor Shaft is a genuine OEM component designed for the RD12A-90 tandem roller series, GS12Ai, and CRT36-26A and CRTv36-26A power trowel series. Sourced directly from Wacker Neuson, this part meets the same specifications as the shaft installed at the factory, ensuring a direct, hassle-free installation. The is confirmed to fit multiple configurations within these product families, including foldable ROPS variants and wheel kit-equipped trowel models.
Key Features
- Genuine OEM Dimensional Accuracy — Machined to the exact tolerances required for consistent governor engagement, ensuring the shaft interfaces correctly with surrounding governor components without binding or excessive play.
- Direct Drop-In Replacement — Engineered to the original mounting dimensions, so the 5000226468 installs into the existing governor assembly without modification to the housing or linkage.
- Broad Model Coverage — Fits the RD12A-90 tandem roller series, GS12Ai, and CRT36-26A and CRTv36-26A power trowel series, including foldable ROPS and wheel kit configurations.
- Consistent Engine Speed Regulation — A correctly functioning governor shaft allows the engine to maintain steady RPM under varying load conditions, supporting predictable compaction and finishing performance.
- Fuel System Integrity — The governor shaft is a critical link in the fuel delivery and throttle control circuit; a worn or damaged shaft can cause erratic engine speed, fuel over-delivery, or engine stall under load.
The governor shaft is the mechanical link that transfers motion from the governor flyweights or spring assembly to the carburetor or fuel injection throttle mechanism, allowing the engine to automatically adjust fuel delivery in response to load changes. When the engine is asked to do more work — such as during compaction passes or trowel blade engagement — the governor shaft acts to open the throttle and maintain target RPM, keeping output steady. A worn, bent, or broken governor shaft breaks this feedback loop, resulting in engine surging, RPM hunting, or loss of power under load.
Part Details
| Part Number | 5000226468 |
|---|---|
| Old Part Number | 0226468 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor Shaft |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12A-90 ROLLER,DBL DRUM,GRN | RD12A-90 | 5000620369, 5000620058, 5000620320 |
| GS12Ai | GS12AI | 5000620317 |
| CRT36-26A Trowel w/Wheel Kit | CRT36-26A | 5000621000, 5000620999, 5000621001, 5000621002 |
| CRTv 36-26A Trowel, w/Wheel Kit | CRTv36-26A | 5200008544, 5200008545, 5200008546 |
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.
