The Wacker Neuson Counter Nut is a genuine OEM fastening component designed for FUE, KTU, and FUH series frequency converters. As a certified OEM part, it is manufactured to the exact specifications required for proper assembly and secure retention within the converter housing. This Counter Nut is confirmed to fit an extensive range of Wacker Neuson frequency converter models, including the FUE 1, FUE 2, FUE 6, KTU 1, KTU 2, FUH35, and FUH70 series units. When you order part, you receive the correct component backed by Wacker Neuson's OEM supply chain.
Key Features
- OEM-Spec Thread Engagement — Manufactured to the exact thread pitch and torque specification required for secure retention in Wacker Neuson frequency converter assemblies.
- Drop-In Replacement — Installs directly into the original fastener position with no rework to surrounding hardware or housing components.
- Broad Converter Compatibility — Fits FUE 1, FUE 2, FUE 6, KTU 1, KTU 2, FUH35, and FUH70 series frequency converters across multiple voltage and output configurations.
- Structural Integrity Under Vibration — A correctly seated counter nut prevents fastener loosening during converter operation, protecting internal components from movement-related wear.
- Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson's OEM parts program, ensuring the correct material grade and dimensional accuracy for this application.
A counter nut — also known as a jam nut or lock nut — is a secondary fastener threaded against a primary nut to prevent it from backing off due to vibration or torque cycling. In frequency converter assemblies, where electrical and mechanical loads can cause repeated micro-movement, a properly installed counter nut maintains clamping force and keeps critical connections secure. If a counter nut is missing, worn, or incorrect, the primary fastener can loosen over time, leading to misalignment, poor electrical contact, or damage to internal converter components.
Part Details
| Part Number | 5000127289 |
|---|---|
| Old Part Number | 0127289 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Counter Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| KTU 2/042/200W | KTU 2/042/200W | 5000008884 |
| FUE 2/042/200W | FUE 2/042/200W | 5000008902 |
| FUE 1/042/200W | FUE 1/042/200W | 5000008934 |
| FUE 2/250/200W | FUE 2/250/200W | 5000610011 |
| Converter KTU 2/250/200W | KTU 2/250/200W | 5000610013 |
| FUE1/120/200W | FUE 1/120/200W | 5000610023 |
| Converter KTU 1/042/200W | KTU 1/042/200W | 5000008935 |
| Converter KTU 1/120/200W | KTU 1/120/200W | 5000610022 |
| FUE 5/042/200W SC CONVERTER | FUE 6/042/200 SC | 5000610084 |
| FUE 6/042/200W | FUE 6/042/200 | 5000610176 |
| FUE 6/042/200 SC 4CEE | FUE 6/042/200SC 4CEE | 5000610405 |
| FUH35/2/042 | FUH35/2/042 | 5100047262 |
| FUH70/4/042 | FUH70/4/042 | 5100047263 |
| FUH70/6/042 SC | FUH70/6/042 SC | 5100047264 |
| FUH70/4/042 SC | Frequency Converters FUH70/4/042 SC | 5100047265 |
| Frequency Converters FUH35/2/042 SC | Frequency Converters FUH35/2/042 SC | 5100048200 |
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.