The Wacker Neuson is a genuine OEM Flywheel Complete designed for a wide range of Wacker Neuson equipment including CT36-9 and CT48-9 walk-behind concrete power trowels, PT3 centrifugal trash pumps, and BFS series floor saws. As a factory-sourced component, is manufactured to the exact specifications required by each compatible machine, ensuring proper fitment right out of the box. This part covers an extensive lineup of BFS floor saw configurations — including the BFS 935B, BFS 914B, BFS 914W, BFS 940W, BFS 90R, BFSX 90R, BFS16, and BFSX16 — making it a highly versatile replacement for operators running multiple Wacker Neuson machines on the same jobsite. When your flywheel shows signs of wear or damage, sourcing the correct OEM part the first time keeps your equipment running at full capacity.
Key Features
- Genuine OEM Ignition Integrity — Manufactured to Wacker Neuson's original specifications, ensuring the flywheel delivers the correct magnetic field strength and timing for reliable ignition across all compatible engines.
- Direct-Fit Replacement — Engineered to match the original mounting configuration, keyway alignment, and rotational mass of the factory flywheel for a straightforward swap with standard tools.
- Broad Cross-Family Compatibility — A single part number covering CT36-9 and CT48-9 trowels, PT3 trash pumps, and multiple BFS floor saw variants including BFS 940W, BFS 914B, BFS 90R, and BFS16 series.
- Engine Cooling and Power Delivery — The flywheel's fins drive airflow over the engine for thermal management; correct mass and balance also ensure smooth power delivery under load.
- Eliminates Vibration and Misfiring Risk — A worn or damaged flywheel can cause rough running, misfires, and damaging vibration; replacing with a properly balanced OEM unit restores smooth, consistent engine operation.
- Ignition System Safety — Correct flywheel-to-coil air gap and magnetic output are critical for consistent spark timing; an OEM flywheel maintains these parameters and prevents erratic engine behavior that can create unsafe operating conditions.
The flywheel is a core rotating component mounted directly to the crankshaft. It serves two primary functions: generating the magnetic pulse that triggers the ignition system to fire the spark plug, and acting as a rotating mass that smooths out engine power pulses for consistent, balanced operation. On air-cooled engines — such as those found in Wacker Neuson trowels, pumps, and floor saws — the flywheel also carries cooling fins that pull air across the engine block to prevent overheating. When a flywheel cracks, loses a magnet, or becomes damaged, the result is typically hard starting, misfiring, engine overheating, or complete failure to start.
Part Details
| Part Number | 5000156642 |
|---|---|
| Old Part Number | 0156642 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flywheel Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-9-V Trowel | CT36-9-V | 5000009447, 5000620834 |
| CT36-9 Trowel | CT36-9 | 5000009444, 5000620833 |
| CT48-9 Trowel | CT48-9 | 5000009453, 5000620838 |
| PT3 Pump | PT3 | 5000009321, 5000009322, 5000009323 |
| BFS 935 SAW,BASIC | BFS 935B | 5000008911 |
| Floor Saw | BFS16 | 5000630098 |
| Floor Saw | BFS 90R | 5000009522 |
| Floor Saw | BFSX 90R | 5000009525 |
| BFS 914B SAW | BFS 914B | 5000610093 |
| Petrol Floor Saw BFS 940W | BFS 940W | 5000610328, 5100004005 |
| Floor Saw | BFSX16 | 5000630248 |
| Floor Saw | BFS 914W | 5100004003 |
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.
