The Wacker Neuson Flywheel is a genuine OEM Flywheel designed for the RD12-90 Tandem Roller and CRT36-25 Ride-on Trowel series. As a factory-sourced component, it is manufactured to the exact specifications required by these machines, ensuring a direct, correct-fit installation. Confirmed fitment covers the RD12-90 with both Solid ROPS and Foldable ROPS configurations, as well as the CRT36-25 in standard and Wheel Kit variants. When you need a straight swap with no guesswork, the delivers the confidence of an authentic Wacker Neuson part.
Key Features
- Genuine OEM Mass and Balance Spec — Manufactured to the exact rotational mass and balance tolerances Wacker Neuson engineers specified for these engines, maintaining correct ignition timing and smooth power delivery.
- Direct Drop-In Replacement — Matches the original mounting pattern, taper, and keyway alignment so it seats and torques down exactly as the factory unit did.
- Broad RD12-90 and CRT36-25 Coverage — A single part number covers the RD12-90 Solid ROPS, RD12-90 Foldable ROPS, CRT36-25 standard, and CRT36-25 with Wheel Kit, consolidating your parts sourcing across multiple configurations.
- Consistent Ignition Trigger Performance — The flywheel carries the magneto magnets that fire the ignition system; a worn or damaged flywheel causes misfires, hard starting, and rough running — this OEM unit restores correct spark timing.
- Electrical System Integrity — On machines where the flywheel also drives the charging coils, using the correct OEM part maintains proper charging output and protects connected electrical components from under- or over-voltage conditions.
The flywheel is a heavy rotating disc mounted directly on the crankshaft. It stores rotational energy between power strokes to keep the engine running smoothly, and on most small engines it also carries the permanent magnets that generate the ignition spark and power the charging circuit. Because it spins at crankshaft speed under significant mechanical load, precise balance and correct fitment are critical — an out-of-spec flywheel can cause vibration, ignition misfires, and accelerated bearing wear. When a flywheel cracks, loses a magnet, or has a damaged keyway, the engine will run poorly or fail to start altogether, making timely replacement essential to keeping your equipment back in service.
Part Details
| Part Number | 5000215201 |
|---|---|
| Old Part Number | 0215201 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flywheel |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12-90 ROLLER, DOUBLE DRUM, SOLID ROPS | RD12-90 | 5000620059, 5000620321 |
| 915mm/36in Ride-on Trowel | CRT36-25 | 5000620115, 5000620295 |
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.
