The Wacker Neuson 5000404090 is a genuine OEM Carbon Brush designed for the ML225, ML240, and ML425 light tower series as well as the MG3 portable generator family. As a direct factory replacement, this carbon brush is manufactured to the same material grade and dimensional specification as the original component installed at the factory. Fitment spans both standard light tower configurations and multifunction floodlight tower variants across multiple machine numbers. Confirm your machine number before ordering to ensure a correct match.
Key Features
- OEM-Grade Carbon Composition — Manufactured from the same carbon compound grade as the original, ensuring consistent electrical conductivity and controlled wear rate across the brush service life.
- Drop-In Brush Replacement — Dimensioned to seat correctly in the existing brush holder without filing or shimming, allowing straightforward swap-out during scheduled maintenance.
- Broad Fitment Coverage — Compatible with the ML225, ML240, and ML425 light tower lines and MG3 portable generators, including multifunction floodlight tower variants across numerous machine configurations.
- Sustained Electrical Output — A correctly sized carbon brush maintains stable contact with the rotor slip ring or commutator, supporting consistent power generation and preventing voltage fluctuation or output loss.
- Electrical Safety Compliance — Using the correct OEM-specified brush grade prevents excessive arcing, overheating at the contact surface, and premature damage to the commutator or slip ring — critical on generator and lighting equipment operating at load.
A carbon brush is a small block of conductive carbon material that maintains sliding electrical contact between a stationary circuit and a rotating component — typically a commutator or slip ring inside a generator or motor. It conducts current across that moving interface, enabling the machine to generate or transfer electrical power. When a carbon brush wears down past its service limit, contact becomes intermittent, causing voltage instability, increased arcing, and eventual damage to the rotating contact surface — making timely replacement essential to keep generators and light towers operating correctly.
Part Details
| Part Number | 5000404090 |
|---|---|
| Old Part Number | 0404090 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Carbon Brush |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Light Towers | ML425 | 5000630119, 5000630206 |
| Light Towers | ML240 | 5000630118, 5000630205, 5000630326 |
| Light Towers | ML225 | 5000630120, 5000630207 |
| Portable Generators | MG3 | 5000630142, 5000630135, 5000630256, 5000630238, 5000630225, 5000630230, 5000630234, 5000630335, 5000630311, 5000630309, 5000630253, 5000630240 |
| MG3 Generator | MG3d | 5000630213 |
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.
