The Wacker Neuson Flywheel Complete is a genuine OEM component designed for the PDT2 and PDT3 diaphragm trash pump series, the PDI2 and PDI3 diaphragm trash pump series, and the PG2 dewatering pump series. As a direct factory replacement, this flywheel assembly installs to the original mounting specification and requires no adaptation. Sourced directly from Wacker Neuson, part ensures you're restoring your pump to the same standard it left the factory with. Whether you're servicing a 50mm/2in or 75mm/3in unit, this single part number covers the full range of compatible models.
Key Features
- Genuine OEM Rotating Mass Integrity — Manufactured to Wacker Neuson's original balance and mass specifications, ensuring smooth, vibration-free engine operation across the full RPM range.
- Complete Assembly — Supplied as a fully assembled flywheel unit, ready to mount directly to the crankshaft without additional sub-components.
- Broad Pump Series Coverage — Fits PDT2, PDT3, PDI2, PDI3, and PG2 pump models, consolidating one part number across multiple diaphragm trash and dewatering pump platforms.
- Engine Timing and Starting Performance — A correctly functioning flywheel maintains engine timing reference and starter engagement; a worn or damaged flywheel can cause hard starting, rough running, or ignition timing faults.
- Ignition System Integrity — The flywheel houses the magneto magnets that drive the ignition system; using the correct OEM flywheel ensures the coil air gap and magnetic output remain within specification for consistent spark delivery.
The flywheel is a heavy rotating disc mounted directly to the engine crankshaft. It stores rotational energy between power strokes to keep the engine running smoothly and provides the magnetic trigger for the ignition system on small gasoline engines. On diaphragm trash pumps and dewatering pumps like the PDT2, PDT3, PDI2, PDI3, and PG2, the flywheel also carries the starter ring gear for recoil or electric start engagement. When a flywheel is cracked, out of balance, or has damaged magnets, the result is poor ignition timing, vibration, difficult starting, or complete engine failure — making it a critical part to replace with a genuine component.
Part Details
| Part Number | 5000205155 |
|---|---|
| Old Part Number | 0205155 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flywheel Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 50mm/2in Diaphragm Trash Pump | PDT2 | 5000009494, 5000620770 |
| 75mm/3in Diaphragm Trash Pumps | PDT3 | 5000009495, 5000620774 |
| PG2 Dewatering Pump | PG2 | 5000009496, 5000009497 |
| 50mm/2in Diaphragm Trash Pump | PDI2 | 5000009489 |
| 75mm/3in Diaphragm Trash Pump | PDI3 | 5000009491, 5000009492 |
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.
