The Wacker Neuson Nut is a genuine OEM component designed for a broad range of Wacker Neuson portable generators, light towers, trash pumps, reversible plates, and fire pumps — including the ML440, ML240, ML425, ML225, MG5, MG3, MDP3, MPU 29, MFP1.5, and MFP2 series. As a factory-sourced part, the is manufactured to the exact specifications Wacker Neuson requires, ensuring proper fit and function across every compatible model. Whether you're servicing a light tower on a night-shift site or keeping a portable generator running through a long rental cycle, this nut delivers the precise thread engagement and dimensional accuracy the assembly demands. Cross-reference your model number before ordering to confirm fitment.
Key Features
- Genuine OEM Thread Specification — Manufactured to Wacker Neuson's exact thread pitch, diameter, and material grade — no guesswork on torque tolerances or seating depth.
- Direct-Fit Replacement — Drops into the original fastener position without rework, maintaining the correct clamping load the assembly was engineered for.
- Broad Model Coverage — Compatible with ML-series light towers, MG-series portable generators, MDP3 trash pumps, MPU 29 reversible plates, and MFP-series fire pumps across multiple configuration codes.
- Structural Integrity Under Vibration — A correctly spec'd nut maintains secure fastening on equipment that runs under sustained load and vibration; an incorrect or worn fastener can allow critical joints to loosen over time.
- Verified Part Number — Order with confidence using Wacker Neuson part number 5000404061, sourced directly through authorized supply channels.
A nut is a threaded fastener that pairs with a bolt or stud to clamp two or more components together within an assembly. On construction equipment like generators, light towers, and pumps, nuts secure everything from panel housings and engine mounts to pump casings and structural frames, maintaining the integrity of joints that are exposed to constant vibration, load cycles, and environmental stress. When a nut is worn, cross-threaded, or missing, the joint it secures can work loose — leading to component misalignment, accelerated wear on surrounding parts, or unsafe operating conditions. Using the correct OEM-spec nut ensures the fastener meets the torque and material requirements the original design called for.
Part Details
| Part Number | 5000404061 |
|---|---|
| Old Part Number | 0404061 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Light Towers | ML440 | 5000630117, 5000630204, 5000630323, 5000630324, 5000630325, 5000630327 |
| Light Towers | ML240 | 5000630118, 5000630205, 5000630326 |
| Light Towers | ML425 | 5000630119, 5000630206 |
| Light Towers | ML225 | 5000630120, 5000630207 |
| Portable Generators | MG5 | 5000630137, 5000630143, 5000630233, 5000630254, 5000630224, 5000630229, 5000630237, 5000630239, 5000630252, 5000630308, 5000630310, 5000630334 |
| Trash Pumps | MDP3 | 5000630140, 5000630144, 5000630176, 5000630177 |
| Reversible Plates | MPU 29 | 5000630141, 5000630228 |
| Portable Generators | MG3 | 5000630142, 5000630135, 5000630256, 5000630225, 5000630230, 5000630234, 5000630238, 5000630240, 5000630253, 5000630309, 5000630311, 5000630335 |
| Portable Generators | MG3sd | 5000630201, 5000630215, 5000630235 |
| Portable Generators | MG5sd | 5000630202, 5000630214, 5000630236 |
| MG5 Generator | MG5d | 5000630211 |
| MG3 Generator | MG3d | 5000630213 |
| Fire Pump | MFP1.5 | 5000630258 |
| Fire Pump | MFP2 | 5000630259 |
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.