The Wacker Neuson Over Fan is a genuine OEM component designed for a wide range of Wacker Neuson equipment, including MG3 and MG5 portable generators, ML225, ML240, ML425, and ML440 light towers, MP15 and MP70 single direction plates, MPU 29 reversible plates, MDP3 trash pumps, MFS12 and MFS14 floor saws, MFP1.5 and MFP2 fire pumps, and MD3.5 modular internal vibrators. Sourced directly from Wacker Neuson, this genuine OEM part is manufactured to the exact standards of the original, ensuring a direct fit without guesswork. With coverage across dozens of models and machine families, part number is a high-demand service item worth keeping on hand. Trust the Wacker Neuson to restore proper airflow and cooling performance to your equipment and get it back running at full capacity.
Key Features
- Genuine OEM Cooling Geometry — Manufactured to the original blade pitch and shroud dimensions, ensuring correct airflow volume over the engine or power unit without compromise.
- Direct Drop-In Replacement — Matches the original mounting pattern and shaft interface, so installation requires no trimming, adapting, or custom fitting.
- Broad Cross-Equipment Compatibility — Fits MG3 and MG5 generators, ML-series light towers, MP and MPU compaction plates, MDP3 trash pumps, MFS floor saws, fire pumps, and internal vibrators across numerous build configurations.
- Sustained Thermal Management — A correctly functioning over fan maintains optimal operating temperatures; a worn or damaged fan can lead to overheating, thermal shutdowns, and accelerated engine wear.
- Authentic Wacker Neuson Parts Sourcing — Supplied as a genuine Wacker Neuson OEM part, backed by the manufacturer's parts program for traceability and quality assurance.
The over fan sits above or around the engine's cooling fins and draws or directs airflow across heat-generating components to regulate operating temperature. On portable equipment like generators, light towers, and compaction plates, effective forced-air cooling is critical because these machines often run under sustained load in enclosed or warm environments. When the over fan is cracked, warped, or missing blades, airflow becomes uneven or insufficient, causing the engine to run hot, trigger thermal protection shutdowns, or sustain long-term damage to internal components. Replacing a worn over fan promptly is one of the simplest ways to protect the engine and maintain consistent output across a full workday.
Part Details
| Part Number | 5000404022 |
|---|---|
| Old Part Number | 0404022 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Over Fan |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| MP15 | MP15 | 5000630131, 5000630227 |
| 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 |
| Modular Internal Vibrators | MD3.5 | 5000630242 |
| Single Direction Plate | MP70 | 5000630243 |
| Single Direction Plates | MP15-CE | 5000630338 |
| 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 |
| Floor Saw | MFS14 | 5000630186, 5000630221 |
| Floor Saw | MFSX14 | 5000630246 |
| Portable Generators | MG3 | 5000630142, 5000630135, 5000630256, 5000630225, 5000630230, 5000630234, 5000630238, 5000630240, 5000630253, 5000630309, 5000630311, 5000630335 |
| Floor Saw | MFS12 | 5000630187, 5000630220 |
| 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.
