The Wacker Neuson Flywheel is a genuine OEM component designed for a range of Wacker Neuson generators, trash pumps, and tandem rollers, including the GP6600A, GP5600A, PT4A, PT4A(I), and RD7A series. As a direct factory-sourced part, the is manufactured to the exact specifications of the original, ensuring a direct drop-in installation with no guesswork. This flywheel is confirmed to fit multiple configurations across the GP6600A generator lineup — including EPA and CSA variants — as well as PT4A and PT4A(I) trash pumps and the RD7A tandem roller. Keeping a verified OEM flywheel in your machine safeguards engine timing, charging output, and overall drivetrain stability across all compatible models.
Key Features
- Exact OEM Mass and Balance: — Cast and machined to the original rotational mass spec, so engine timing and ignition trigger points stay within tolerance on every startup.
- Direct Bolt-On Replacement: — Matches the original mounting bolt pattern and taper fit, allowing straightforward installation on all listed models without machining or adaptation.
- Broad Series Compatibility: — Verified fitment across GP6600A and GP5600A portable generators, PT4A and PT4A(I) trash pumps, and RD7A tandem rollers — a single part number covering multiple product families.
- Stable Charging and Ignition Performance: — A correctly weighted flywheel maintains consistent engine RPM under load, supporting steady generator output voltage and reliable ignition spark timing.
- Genuine Wacker Neuson OEM Part: — Sourced directly from Wacker Neuson, carrying the full traceability and quality assurance of an authorized factory component.
The flywheel is a heavy rotating disc bolted to the crankshaft that stores rotational energy between power strokes, keeping the engine spinning smoothly under varying loads. On generator and pump applications it also carries the magnets or reluctor ring that trigger the ignition system and drive the charging circuit, so its condition directly affects both starting reliability and electrical output. When a flywheel cracks, becomes loose, or loses a magnet, the result is typically hard starting, misfiring, erratic voltage output, or complete failure to start — making timely replacement with the correct OEM part critical to restoring full machine performance.
Part Details
| Part Number | 5200000452 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flywheel |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G 7AI | G7AI | 5000009104 |
| GP6600A GENERATOR,CAN GFI | GP6600A | 5000620100, 5000620101, 5000620384, 5100042220 |
| Premium Portable Generator | GP6600 | 5000620385, 5000620989, 5000620990, 5000620985, 5000620986 |
| RD7 Tandem Roller | RD7A | 5100017196, 5200015243, 5200015246 |
| GPS6600A Generator, EPA | GPS6600 | 5000620987 |
| Value Portable Generator | GV5600 | 5000620995 |
| GP5600A | GP5600A | 5100041979 |
| PT4A | PT4A | 5100042217, 5100042604 |
| PT4A(I) | PT4A(I) | 5100042615 |
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.
