The Wacker Neuson Fly Wheel Complete is a genuine OEM component designed for the LTN4Y and LTN5Y series light towers, including variants such as the LTN4Y 60 Hz, LTN4Y SA, LTN4Y RH, LTN4Y 120V/60Hz, LTN5Y, LTN5Y SA, LTN5Y CH, LTN5Y UK, LTN5Yp, LTN5Yp HD, LTN5Ypa, and LTN5Ypk. As a factory-sourced OEM part, is manufactured to the same specifications as the original component, ensuring a direct, verified replacement for the engine assembly it serves. Sourcing the correct fly wheel complete is critical — an out-of-spec or worn flywheel can disrupt ignition timing and engine balance, leading to rough operation or failure to run. Keep your light tower running at full output by replacing worn or damaged components with the correct Wacker Neuson part.
Key Features
- OEM-Spec Mass and Balance: — Manufactured to the original rotational mass and balance tolerances, ensuring smooth engine operation across all rated RPMs.
- Direct Engine Drop-In: — Engineered to match the original mounting interface and taper fit of the LTN4Y and LTN5Y engine assemblies, reinstalling the same way as the factory part.
- Broad LTN Series Coverage: — Confirmed fitment across the full LTN4Y and LTN5Y model families, including 60 Hz, 120V/60Hz, SA, RH, CH, UK, Yp, Yp HD, Ypa, and Ypk variants.
- Ignition Timing Integrity: — The flywheel carries the magneto trigger components that govern spark timing; a correctly fitted unit keeps ignition events precisely synchronized for consistent starts and steady power output.
- Genuine Wacker Neuson Quality: — Sourced directly through the Wacker Neuson OEM supply chain, this part meets the same material and dimensional standards as the unit originally installed at the factory.
The flywheel is a heavy rotating disc bolted to the crankshaft that stores rotational energy between power strokes, keeping the engine turning smoothly and evenly. On light tower engines like those in the LTN4Y and LTN5Y series, the flywheel also houses the magnets and trigger components that drive the ignition system, meaning its condition directly affects both engine balance and spark timing. A cracked, damaged, or out-of-balance flywheel can cause vibration, misfires, hard starting, or a complete failure to run — making prompt replacement with the correct complete assembly essential to restoring normal operation.
Part Details
| Part Number | 5100075805 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fly Wheel Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| LTN5Yp | LTN5Yp | 5100069549 |
| LTN5Y SA | LTN5Y SA | 5100069548 |
| LTN4Y | LTN4Y ME | 5100069545 |
| LTN4Y 60 Hz | LTN4Y 60Hz | 5100069546 |
| LTN4Y SA | LTN4Y SA | 5100069547 |
| LTN4Y | LTN4Y | 5100073603 |
| LTN5Ypk | LTN5Ypk | 5100077880 |
| LTN4Y RH | LTN4Y RH | 5100077620 |
| LTN5Yp HD | LTN5Yp HD | 5100079429 |
| LTN5Y | LTN5Y | 5100069550 |
| LTN5Ypa | LTN5Ypa | 5100069551 |
| LTN5Y CH | LTN5Y CH | 5100069552 |
| LTN5Y UK | LTN5Y UK | 5100069553 |
| LTN4Y 120V/60Hz | LTN4Y 120V/60Hz | 5100075978 |
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.
