The Wacker Neuson 5000404258 is a genuine OEM Carbon Brush designed for ML440 series light towers and MG5 series portable generators. As a direct OEM replacement, part 5000404258 is manufactured to the exact material grade and dimensional spec required to maintain proper electrical contact within the motor or generator brush assembly. This part covers an extensive range of ML440 and MG5 configurations, including MG5sd and MG5d variants, making it the correct service choice for a wide cross-section of Wacker Neuson light tower and generator equipment in the field.
Key Features
- OEM-Grade Carbon Compound — Manufactured from the same carbon material spec as the original, ensuring correct conductivity and brush hardness for sustained electrical contact without premature arc wear.
- Drop-In Brush Replacement — Sized and shaped to fit the existing brush holders directly, with no filing or modification to the brush block needed during installation.
- Broad ML440 and MG5 Coverage — Confirmed fitment across ML440 light tower variants and the full MG5 portable generator family, including MG5sd and MG5d configurations.
- Restores Full Output Capacity — A worn or degraded carbon brush causes voltage drop, output instability, and excessive heat in the generator windings; a fresh brush restores clean, stable electrical transfer.
- Electrical System Safety — Correct brush grade and fit prevent arcing and commutator scoring that can escalate into more serious generator or motor damage over time.
A carbon brush is a sliding electrical contact that carries current between the stationary wiring and the rotating commutator or slip ring inside a generator or electric motor. As the brush block wears down through normal use, electrical contact becomes inconsistent, leading to power fluctuations, excessive sparking, heat buildup, and eventual failure of the generator's output. Replacing the carbon brush at the correct service interval — or when visible wear or output instability is detected — is one of the most cost-effective ways to protect the longevity of the generator or tower's electrical assembly.
Part Details
| Part Number | 5000404258 |
|---|---|
| Old Part Number | 0404258 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Carbon Brush |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Light Towers | ML440 | 5000630117, 5000630204, 5000630323, 5000630325, 5000630327, 5000630324 |
| Portable Generators | MG5 | 5000630137, 5000630143, 5000630254, 5000630233, 5000630229, 5000630224, 5000630239, 5000630334, 5000630308, 5000630252, 5000630310, 5000630237 |
| Portable Generators | MG5sd | 5000630202, 5000630236, 5000630214 |
| 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.
