The Wacker Neuson Governor Complete is a genuine OEM component designed for CT36 and CT48 series walk-behind concrete power trowels. As a direct factory replacement, this part meets the exact specifications of the original unit installed at the time of manufacture. Compatible across a broad range of CT36 and CT48 configurations — including AGP, AGT, ADP, ADT, AVP, and AVT variants — this governor assembly covers both standard and variable-speed trowel models in 915mm/36in and 1220mm/48in sizes.
Key Features
- Genuine OEM Calibration: — Sourced directly from Wacker Neuson, this governor is matched to the engine's RPM range and throttle linkage specifications for the CT-series trowel engines it serves.
- Drop-In Replacement: — Engineered to the original mounting configuration, this complete assembly connects to the existing throttle and linkage points without fabrication or adaptation.
- Broad CT-Series Coverage: — Fits CT36 and CT48 walk-behind trowel variants across multiple model series, including AGP, AGT, ADP, ADT, AVP, and AVT configurations in both standard and CE editions.
- Consistent Rotor Speed Control: — A properly functioning governor holds engine speed steady under varying load, which is critical for achieving a uniform finish quality across the concrete surface.
- Complete Assembly: — Supplied as a complete governor unit, so all internal components are replaced together, eliminating the need to source individual sub-parts.
The governor on a walk-behind concrete trowel regulates engine speed by automatically adjusting the throttle in response to changes in load. During finishing, as the trowel blades encounter varying resistance across the slab, the governor maintains a consistent rotor speed — keeping the finish even and preventing the engine from bogging down or over-revving. When a governor wears out or fails, the engine speed becomes erratic, leading to uneven surface finishing, excessive engine wear, and difficulty controlling the machine.
Part Details
| Part Number | 5000074709 |
|---|---|
| Old Part Number | 0074709 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-8A-V Trowel | CT36-8A-V | 5000009442, 5000620832 |
| 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 |
| Reversible Vibratory Plate, 35 kN, 45cm/18in | BPU 3545A | 5000008783 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVP | 5000009235, 5000009236 |
| HPG100A | HPG100A | 5000009507 |
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000006729, 5000006730, 5100058535, 5100058536 |
| BFS 935A SAW,BASIC | BFS 935AB | 5000008910 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVT | 5000009233, 5000009234 |
| Single Direction Vibratory Pla te, 25kN, 50cm/20in | BPS 2550A | 5000007528 |
| BPU 3050A | BPU 3050A | 5000008763 |
| HPG50A | HPG50A | 5000009509 |
| Gasoline Floor Saw, Ø 350 | BFS 80 | 5000006654 |
| BFS 914AB SAW | BFS 914AB | 5000610092 |
| BPU 3050A US | BPU 3050A US | 5000610361 |
| Reversible Plates | MPU 29A | 5000630244 |
| Vibration Plate BPU 2950A WSM | BPU 2950A | 5000007873, 5000007962 |
| Vibratory Truss Screed, Power Section | HPG100 | 5000008293 |
| Vibratory Truss Screed, Power Section | HPG50 | 5000008294 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 935A | 5000008694 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 935AL | 5000008695 |
| Petrol Floor Saw BFS 940A | BFS 940A | 5000610327 |
| Vibratory plate BPU 4045A | BPU 4045A | 5000610345 |
| BPU3545A-VIBROPLATE | BPU 3545A US | 5000610362 |
| BPU4045A-VIBROPLATE | BPU 4045A US | 5000610403 |
| BPU 3750Ats | BPU 3750Ats | 5000610408 |
| BPU3750Ats | BPU 3750Ats US | 5000610423 |
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.
