The Wacker Neuson Governor Kit is a genuine OEM component designed for a broad range of Wacker Neuson walk-behind concrete trowels, centrifugal trash pumps, portable generators, and reversible vibratory plates — including the CT36, CT48, PT3A, GP3800A, BPU 3050A, BPU 3545A, BPU 4045A, and G3.3A series. Sourced directly through Wacker Neuson's authorized parts program, this kit carries the same part number — — as the component installed at the factory. It delivers a direct, verified replacement that restores correct engine speed regulation across every compatible machine in this lineup.
Key Features
- Genuine OEM Governor Components — Each part in the 5000081669 kit is manufactured to the exact tolerances required for proper governor linkage travel and spring tension, ensuring consistent throttle response under load.
- Direct Drop-In Replacement — Matches original mounting points and linkage geometry on CT36 and CT48 trowels, PT3A trash pumps, GP3800A generators, and BPU-series reversible plates for a straightforward swap.
- Wide Cross-Family Fitment — A single kit covers CT36 and CT48 walk-behind trowels, PT3A centrifugal trash pumps, GP3800 / G3.3A / G3.7A portable generators, BPU 3050A, BPU 3545A, BPU 4045A, BPU 3750Ats, and BPS 2550A vibratory plates.
- Stable Engine Speed Under Load — A correctly functioning governor holds RPM steady as load fluctuates, protecting the engine from over-revving and preventing bogging under heavy demand — both of which accelerate wear when the governor is worn or out of adjustment.
- Fuel System Compliance — The governor directly controls fuel delivery metering; restoring correct governor function keeps the engine operating within its designed fuel and emissions parameters, which is especially relevant on EPA/CSA-certified GP3800A variants.
The governor kit controls engine speed by automatically adjusting the carburetor throttle in response to changes in load. When the engine is asked to work harder — driving a trowel blade into wet concrete, priming a trash pump, or powering electrical loads on a generator — the governor opens the throttle to maintain the target RPM; as load drops, it closes the throttle to prevent over-revving. When governor components wear, stretch, or break, the engine hunts for the correct speed, surges, or stalls under load, leading to poor finishing quality, reduced pump flow, or unstable generator output. Replacing worn governor components with a genuine OEM kit restores the precise mechanical linkage geometry needed for stable, consistent engine speed regulation.
Part Details
| Part Number | 5000081669 |
|---|---|
| Old Part Number | 0081669 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor Kit |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-8A-V | CT36-8A-V | 5000620832, 5000009442 |
| CT36-8A Trowel | CT36-8A | 5000009439, 5000620831 |
| CT48-8A Trowel | CT48-8A | 5000009449 |
| CT48-8A | CT48-8A EU | 5000620837 |
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000009098, 5000009101, 5000009240, 5000620800, 5000006729, 5000006730, 5100058535, 5100058536 |
| Portable Generator | GP3800A | 5000620104, 5000620379, 5000620485, 5000620342, 5000620484, 5000620041, 5000620103, 5000620010 |
| 915mm/36in CE Walk-behind Trow el | CT36AGP | 5000007596, 5000007595 |
| 915mm/36in CE Walk-behind Trow el | CT36AGP-E | 5000008036, 5000008026 |
| 1220mm/48in Walk-behind Trowel | CT48ADP | 5000007598, 5000007599, 5000008199 |
| 1220mm/48in CE Walk-behind Tro wel | CT48ADP-E | 5000008027, 5000008028 |
| 915mm/36in CE Walk-behind Trow el | CT36AGT-E | 5000007594, 5000008012 |
| 1220mm/48in CE Walk-behind Tro wel | CT48ADT-E | 5000007597, 5000008016 |
| 915mm/36in CE Walk-behind Trow el | CT36AGT | 5000008014, 5000008011 |
| 1220mm/48in Walk-behind Trowel | CT48ADT | 5000008015, 5000008040 |
| 50Hz Portable Generator | G3.3A | 5000008257, 5000008253, 5000008255, 5000008251 |
| 50Hz Portable Generator | G3.3AE | 5000008258, 5000008252, 5000008254, 5000008256, 5000008259 |
| Portable Generator | G3.7A | 5000007189, 5000008044 |
| BPU 3050A | BPU 3050A | 5000008763 |
| Reversible Vibratory Plate, 35 kN, 45cm/18in | BPU 3545A | 5000008783 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVP | 5000009235, 5000009236 |
| HPG100A | HPG100A | 5000009507 |
| BPU 3050A US | BPU 3050A US | 5000610361 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVT | 5000009233, 5000009234 |
| Single Direction Vibratory Pla te, 25kN, 50cm/20in | BPS 2550A | 5000007528 |
| HPG50A | HPG50A | 5000009509 |
| BPU 3750Ats | BPU 3750Ats | 5000610408 |
| BPU3750Ats | BPU 3750Ats US | 5000610423 |
| Gasoline Reversible Vibratory Plate | BPU 3050 | 5000008955 |
| BPU 4045A US | BPU 4045A US | 5100009663, 5000610403 |
| Reversible Plates | MPU 29A | 5000630244 |
| Portable Generator, 50Hz | G3.3AI | 5000009036 |
| Vibratory plate BPU 4045A | BPU 4045A | 5000610345 |
| Vibratory Truss Screed, Power Section | HPG100 | 5000008293 |
| Vibratory Truss Screed, Power Section | HPG50 | 5000008294 |
| Portable Generator | G3.3AIT | 5000009460 |
| BPU3545A-VIBROPLATE | BPU 3545A US | 5000610362 |
| GP3800A Generator, EPA | GP3800 | 5000620974, 5000620975, 5000620976 |
| Vibration Plate | BPU3050A CN | 5100039661 |
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.
