The Wacker Neuson Flywheel is a genuine OEM component designed for the CRT48-25K-L, CRT48-25K-H, and CRT36-25K-H ride-on concrete trowels. As a direct factory replacement, this flywheel is produced to the same specifications as the original part, ensuring correct fitment and function across both 1220mm/48-inch and 915mm/36-inch CRT series machines. Sourcing the genuine Wacker Neuson means you get a part engineered specifically for these trowels — not a generic substitute. Whether you're servicing a low-speed or high-speed CRT48 or the compact CRT36, this flywheel restores the engine's rotational balance and power transfer exactly as designed.
Key Features
- Genuine OEM Integrity — Manufactured to Wacker Neuson's original engineering tolerances, ensuring correct mass, balance, and dimensional accuracy critical to a flywheel's function in a ride-on trowel engine.
- Drop-In Engine Compatibility — Mounts directly to the engine crankshaft on the CRT48-25K-L, CRT48-25K-H, and CRT36-25K-H without modification, maintaining correct alignment with the starter ring gear and ignition trigger components.
- CRT Series Coverage — Fits both 48-inch and 36-inch CRT ride-on trowel models, covering low-speed and high-speed configurations within the 25K platform.
- Smooth Power Transfer — A properly functioning flywheel keeps the engine running smoothly between combustion cycles; a worn or damaged flywheel causes rough running, vibration, and inconsistent trowel blade speed that compromises finish quality.
- Ignition System Integrity — The flywheel houses the magneto or trigger components on many small engines; installing the correct OEM part preserves proper ignition timing and prevents hard-start or no-start conditions.
The flywheel is a heavy rotating disc bolted to the engine crankshaft that stores rotational energy between power strokes, keeping the engine running smoothly at consistent speed. On ride-on concrete trowels like the CRT series, steady engine speed directly affects the uniformity of the trowel's blade rotation and the quality of the concrete surface finish. When a flywheel cracks, becomes unbalanced, or sustains damage to its ring gear or ignition trigger teeth, the result is rough engine operation, vibration through the frame, and potential ignition failure — all of which bring finishing work to a halt.
Part Details
| Part Number | 5000154885 |
|---|---|
| Old Part Number | 0154885 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flywheel |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Low Speed Ride-On Trowel | CRT48-25K-L | 5000009084 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-25K-H | 5000009085 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-25K-H | 5000620027 |
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.