The Wacker Neuson Engine MG5 is a genuine OEM engine assembly designed for the MG5 series Portable Generators and ML440 series Light Towers. As a factory-sourced component, this engine meets every original build specification for the MG5 platform, ensuring the unit performs exactly as it left the factory floor. Compatibility spans a wide range of MG5 and ML440 configurations, making part number the correct choice whether you're servicing a standard MG5 generator or an ML440 multifunction floodlight tower.
Key Features
- Genuine OEM Power Output: — Sourced directly from Wacker Neuson, this engine is built to deliver the rated power output and torque required for MG5 generator and ML440 light tower operation — no output compromise.
- Direct-Fit Installation: — Engineered to match the original mounting points, fuel connections, and electrical interfaces of the MG5 platform, allowing straightforward installation without reworking the chassis or ancillary systems.
- Broad Model Coverage: — Compatible with the full MG5 Portable Generator lineup and multiple ML440 Light Tower configurations, including ML440 multifunction floodlight towers, covering a wide range of Wacker Neuson serial variants.
- Sustained Generator and Lighting Performance: — A correctly functioning engine maintains stable voltage output and load capacity; a worn or failed engine causes voltage fluctuation, output loss, or complete shutdown of connected equipment on-site.
- Fuel System Integrity: — As a genuine OEM engine assembly, internal fuel delivery components are matched to the MG5's fuel system specifications, supporting safe and consistent combustion without risk of mismatched fuel delivery rates.
The engine is the core power source of the MG5 generator and ML440 light tower, converting fuel into the mechanical energy that drives the generator head to produce electrical output. Without a properly functioning engine, the generator cannot maintain stable power delivery, causing connected tools, lighting, or equipment to lose performance or shut down entirely. When an engine reaches the end of its service life — through wear, overheating, or mechanical failure — replacing it with a genuine OEM unit like the Wacker Neuson 5000406889 restores full rated output and extends the working life of the overall machine.
Part Details
| Part Number | 5000406889 |
|---|---|
| Old Part Number | 0406889 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Engine MG5 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Light Towers | ML440 | 5000630117, 5000630204, 5000630323, 5000630324, 5000630325, 5000630327 |
| Portable Generators | MG5 | 5000630137, 5000630143, 5000630233, 5000630254, 5000630224, 5000630229, 5000630237, 5000630239, 5000630252, 5000630308, 5000630310 |
| Portable Generators | MG5sd | 5000630202, 5000630214, 5000630236 |
| MG5 Generator | MG5d | 5000630211 |
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.
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