The Wacker Neuson Governor Weight is a genuine OEM component designed for RD12A-90 Tandem Rollers, GS12Ai, and CRT36-26A and CRTv36-26A series power trowels. Sourced directly from Wacker Neuson, this part meets the same exacting standards as the original, ensuring proper engine speed regulation across the equipment it serves. Cross-reference part number against your machine's serial number before ordering to confirm compatibility.
Key Features
- Genuine OEM Weight Calibration — Manufactured to Wacker Neuson's original mass and balance specifications, so the governor assembly responds to engine load changes exactly as engineered.
- Drop-In Installation — Matches the original mounting geometry of the governor assembly, allowing straightforward swap-out without machining or adaptation.
- Broad Model Coverage — Fits RD12A-90 Tandem Roller variants, the GS12Ai screed, and the full CRT36-26A and CRTv36-26A power trowel lineup.
- Consistent Engine Speed Control — A correctly functioning governor weight keeps engine RPM stable under varying load conditions, protecting output quality and fuel efficiency.
- Fuel System Safety Relevance — A worn or out-of-spec governor weight can cause engine over-speed or hunting, creating unsafe operating conditions; replacing it restores proper speed limiting behavior.
The governor weight is a small but critical component within the mechanical governor assembly of an engine. It works by using centrifugal force — as engine speed rises, the weights fly outward and act against the throttle linkage to limit fuel delivery, preventing the engine from over-revving. When a governor weight wears, cracks, or loses its specified mass, the governor can no longer hold engine speed within the correct range, resulting in erratic RPM, rough running, or dangerous over-speed conditions. Replacing a failed governor weight restores the engine's ability to self-regulate, protecting both the machine and the operator.
Part Details
| Part Number | 5000226464 |
|---|---|
| Old Part Number | 0226464 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor Weight |
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.