The Wacker Neuson Frequency Converter Complete is a genuine OEM component designed for the FUflex4/120 series internal vibrators, covering both the UK (120 V) and US variants. As a direct OEM replacement, this assembly ships exactly as it left the factory, ensuring correct electrical output and voltage compatibility for your specific unit. It fits the FUflex4/120 UK () and FUflex4/120 US () models, so confirm your machine number before ordering. Sourcing the correct OEM converter keeps your vibrator performing to its rated specification and avoids the risk of electrical incompatibility that a mismatched unit can introduce.
Key Features
- OEM-Correct Electrical Output — Manufactured to Wacker Neuson's original circuit and output specification, ensuring the converter delivers the precise frequency needed to drive the vibrator motor at rated performance.
- Drop-In Electrical Connection — Engineered to match the original connector housing and wiring layout of the FUflex4/120, so installation follows the same steps as the factory-fitted unit.
- Covers UK and US Variants — A single genuine OEM part number spans both the FUflex4/120 UK (120 V) and FUflex4/120 US configurations; verify your model suffix before ordering.
- Protects Vibrator Motor Longevity — A failed or out-of-spec converter forces the motor to run at incorrect frequency, accelerating winding wear; a properly functioning unit keeps output stable and motor stress in check.
- Electrical Safety Compliance — As the primary power-conversion component in a handheld electrical tool, using a genuine OEM converter ensures the assembly meets the original safety and insulation ratings of the FUflex4/120 design.
A frequency converter in a concrete vibrator transforms the incoming mains supply into the high-frequency power needed to spin the vibrator head at the speed required to consolidate concrete effectively. Without a correctly functioning converter, the vibrator head will either fail to reach operating speed or run erratically, producing uneven consolidation and risking motor burnout. When the converter degrades or fails, output frequency drops or becomes unstable — replacing it with a genuine OEM unit restores the vibrator to its original operating parameters.
Part Details
| Part Number | 5100025559 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Frequency Converter Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| FUflex4/120, 120 V | FUflex4/120 UK | 5100025402 |
| FUflex4/120 | FUflex4_120 US | 5100025403 |
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.
