The Wacker Neuson Ignition Switch is a genuine OEM Ignition Switch designed for the LTN4Y light tower series and RD7 and RD10 series rollers, including HRC and LRC configurations. Sourced directly from Wacker Neuson, this part carries the same specification as the component installed at the factory, ensuring a correct, trouble-free installation. Verified fitment spans multiple configurations across the LTN4Y, RD7Heh, RD7Yeh, RD7Hehf, RD7Yehf, RD7Hehfb, RD7Yehfb, and RD10Yehf model lines.
Key Features
- Correct Switching Specification — Genuine OEM construction ensures the switch delivers the proper electrical contact sequencing and circuit closure your machine's ignition system requires.
- Direct-Fit Installation — Matches the original mounting footprint, connector configuration, and key cylinder profile for a straightforward swap with no modification to the harness or housing.
- Broad Model Coverage — Fits LTN4Y light towers (including 60Hz, SA, 120V/60Hz, and RH variants) and a full range of RD7 and RD10 series rollers with HRC, LRC, and standard configurations.
- Sustained Ignition Reliability — A worn or faulty ignition switch causes hard starts, intermittent shutdowns, or complete failure to crank; replacing with a genuine part restores consistent, repeatable engine starting.
- Electrical Safety Assurance — As a primary control point in the ignition circuit, a correctly rated OEM switch prevents unintended energization of starter and fuel circuits, supporting safe machine operation.
An ignition switch is the primary operator control that opens and closes the electrical circuits needed to start, run, and shut down the engine. When the key is turned, the switch routes power to the starter motor and energizes the fuel system; in the off position, it cuts those circuits to safely stop the machine. A failing ignition switch commonly presents as a no-start condition, an engine that cuts out unexpectedly during operation, or a key that turns without producing any electrical response — all symptoms that point directly to switch replacement as the fix.
Part Details
| Part Number | 5100006721 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Ignition Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| LTN4Y | LTN4Y ME | 5100069545 |
| LTN4Y 60 Hz | LTN4Y 60Hz | 5100069546 |
| LTN4Y SA | LTN4Y SA | 5100069547 |
| LTN4Y | LTN4Y | 5100073603 |
| LTN4Y RH | LTN4Y RH | 5100077620 |
| RD7Yehf HRC | RD7Yehf HRC | 5100006337, 5100006341 |
| RD7Heh | RD7Heh | 5100006334 |
| RD7Yeh LRC | RD7Yeh LRC | 5100006335 |
| RD7Yeh HRC | RD7Yeh HRC | 5100006336, 5100006467 |
| RD7Hehf | RD7Hehf | 5100006339 |
| RD7Yehf LRC | RD7Yehf LRC | 5100006340 |
| RD7Hehfb | RD7Hehfb | 5100006344 |
| RD7Yehfb LRC | RD7Yehfb LRC | 5100006345 |
| RD7Yehfb HRC | RD7Yehfb HRC | 5100006346 |
| RD10Yehf LRC | RD10Yehf LRC | 5100070502 |
| 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.