The Wacker Neuson Carbon Brush 115V is a genuine OEM component designed for the M1000/120 and M2000/115 and M2000/120 series electrical power units used with internal concrete vibrators. As a direct Wacker Neuson OEM part, the is manufactured to the exact material composition and dimensional tolerances required for correct motor contact and consistent current transfer. This carbon brush fits across multiple M-series power unit variants, including GFCI, UL, and nonCUL configurations. Keeping the correct brush installed ensures the motor runs cleanly and the vibrator delivers the output your concrete work demands.
Key Features
- OEM Carbon Composition: — Manufactured to the exact carbon density and resistivity spec for 115V M-series motor performance — not a generic brush adapted from another application.
- Drop-In Motor Replacement: — Sized and profiled to seat correctly in the M-series brush holders, maintaining full contact area against the commutator from the first run.
- Broad M-Series Compatibility: — Fits M1000/120 and M2000/115 and M2000/120 power units across GFCI, UL, and nonCUL variants used to drive internal concrete vibrators.
- Sustained Motor Output: — A worn or undersized brush causes arcing, heat buildup, and loss of motor torque — installing a fresh OEM brush restores clean commutation and full vibrator output.
- Electrical Safety Compliance: — Correct brush material and fit prevent excessive arcing and commutator wear, reducing the risk of motor failure or electrical faults in jobsite 115V circuits.
A carbon brush is a small block of conductive carbon that maintains sliding electrical contact between the stationary wiring and the rotating commutator inside an electric motor. In the M-series electrical power units, the brushes carry current into the motor armature so the unit can drive an internal concrete vibrator at the correct speed and force. As the brush wears down, contact pressure drops, arcing increases, and motor output becomes erratic — eventually the motor may cut out entirely. Replacing the brush at the right interval keeps the motor running efficiently and protects the commutator surface from damage.
Part Details
| Part Number | 5000078484 |
|---|---|
| Old Part Number | 0078484 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Carbon Brush 115V |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Electrical Power Unit | M2000/120 | 5000007653 |
| Electrical Power Unit for Inte rnal Vibrator | M1000/120/nonCUL | 5000005843 |
| Electrical Power Unit for Inte rnal Vibrator | M2000/115/15A | 5000006305 |
| Electrical Power Unit | M2000/120/nonCUL | 5000007159 |
| Drive Engine | M1000/120/GFCI | 5100002955 |
| Drive Engine | M2000/120/GFCI | 5100002956 |
| Drive Engine | M1000/120/UL | 5100006158 |
| Drive Engine | M2000/120/UL | 5100006159 |
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.