The Wacker Neuson Governor Weight Complete is a genuine OEM component designed for the RD12A-90 tandem roller, GS12Ai, and CRT36-26A trowel series. Sourced directly from Wacker Neuson, this is the same assembly installed at the factory — no substitute parts, no guesswork on fit. It is also confirmed compatible with the CRTv36-26A trowel series, covering both standard and wheel kit configurations across multiple build variants.
Key Features
- Genuine OEM Centrifugal Precision — Manufactured to exact Wacker Neuson tolerances, ensuring the flyweight mass and pivot geometry match the original governor specification for consistent speed regulation.
- Direct-Swap Assembly — Supplied as a complete governor weight unit, so it installs as a single assembly into the existing governor housing without the need to source individual flyweights or pins separately.
- Broad Series Coverage — Fits RD12A-90 double-drum rollers (including foldable ROPS variants), GS12Ai, CRT36-26A trowels, and CRTv36-26A trowels across multiple serial number ranges.
- Steady Engine Speed Under Load — A correctly functioning governor weight assembly keeps engine RPM stable as load conditions change, protecting output quality on compaction and finishing equipment where consistent speed is critical.
- Prevents Over-Speed and Stalling — Worn or unbalanced governor weights cause erratic throttle response, rough running, or engine hunting; replacing the complete assembly restores smooth, responsive governor control.
The governor weight assembly is a core part of the mechanical engine governor system. Centrifugal force acting on the rotating flyweights signals the governor to adjust fuel delivery, keeping engine speed stable as the load on the machine rises and falls. When the weights wear, lose mass, or seize on their pivots, the governor loses the ability to regulate speed accurately — leading to engine surge, hunting, or an inability to hold the target RPM under working load. Replacing the complete assembly with a genuine Wacker Neuson 5000226463 unit restores full governor authority and keeps the engine running at the speed the operator demands.
Part Details
| Part Number | 5000226463 |
|---|---|
| Old Part Number | 0226463 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor Weight Complete |
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.
