The Wacker Neuson Governor Complete is a genuine OEM component designed for a wide range of Wacker Neuson walk-behind concrete trowels, vibratory plate compactors, trash pumps, floor saws, and auxiliary power units. This includes CT36 and CT48 series walk-behind trowels, BPU 3050A, BPU 3750Ats, and BPU 4045A reversible vibratory plates, PT3A centrifugal trash pumps, and BFS 914A and BFS 940A floor saws, among others. As a genuine Wacker Neuson part, the Governor Complete is manufactured to the same specifications as the original component, ensuring a correct, like-for-like installation. Keep your equipment operating at the correct engine speed and protect against overload with this direct OEM replacement.
Key Features
- OEM-Matched Speed Regulation — Manufactured to Wacker Neuson's original specifications, ensuring correct RPM control across all listed engine applications.
- Direct Drop-In Installation — Engineered to install in place of the original unit with no adaptation; mates directly to the engine's throttle linkage and carburetor assembly.
- Broad Cross-Family Compatibility — Fits CT36 and CT48 walk-behind trowels, BPU reversible vibratory plates, PT3A trash pumps, BFS floor saws, and HPG/HPG series power units.
- Prevents Engine Over-Speed and Stall — A worn or failed governor allows erratic RPM swings that can damage the engine or cause inconsistent tool performance; this replacement restores stable, controlled operation.
- Fuel System Safety — Correct governor function is critical to maintaining safe fuel delivery rates; a properly functioning governor prevents over-fueling and associated risks in enclosed or confined work areas.
The governor is the engine's speed-control mechanism — it continuously monitors engine RPM and adjusts the throttle to maintain a consistent, preset operating speed regardless of changes in load. On concrete trowels, this means the finishing blades spin at the correct, steady speed needed for a uniform surface finish. On compactors, pumps, and saws, it prevents the engine from bogging under load or over-revving when load drops suddenly. When a governor wears out or fails, the engine may hunt, surge, stall under load, or run uncontrolled at excessive speed, all of which can damage the engine and compromise the quality of work being done. Replacing it with the correct OEM part restores precise throttle response and protects the engine from premature wear.
Part Details
| Part Number | 5100000391 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor Complete |
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 |
| 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 |
| BPU 3050A | BPU 3050A | 5000008763 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVP | 5000009235, 5000009236 |
| HPG100A | HPG100A | 5000009507 |
| BPU 3050A US | BPU 3050A US | 5000610361 |
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000006729, 5000006730, 5100058535, 5100058536 |
| 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 |
| BFS 914AB SAW | BFS 914AB | 5000610092 |
| BPU 4045A US | BPU 4045A US | 5100009663, 5000610403 |
| Petrol Floor Saw BFS 940A | BFS 940A | 5000610327, 5100004004 |
| Reversible Plates | MPU 29A | 5000630244 |
| Vibratory plate BPU 4045A | BPU 4045A | 5000610345 |
| Vibratory Truss Screed, Power Section | HPG100 | 5000008293 |
| Vibratory Truss Screed, Power Section | HPG50 | 5000008294 |
| Floor Saw | BFS 914A | 5100004002 |
| Floor saw BFS940 | BFS 940 | 5100009934 |
| BFS940 | BFS940 | 5100029229 |
| 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.
