The Wacker Neuson Inner Core Complete is a genuine OEM component designed for M1500 and M2500 series internal concrete vibrators. As a factory-authorized part, is manufactured to the same specifications as the original, ensuring a direct fit across the compatible model range including M1500/120, M1500/230, M2500/120, and M2500/230 configurations. Sourcing the correct inner core assembly is critical to restoring full vibration output and protecting the surrounding drive components from premature wear. Keep your vibrator performing at spec by replacing a worn core with this verified Wacker Neuson part.
Key Features
- Genuine OEM Vibration Core: — Manufactured by Wacker Neuson to original eccentric weight and housing tolerances, ensuring correct vibration frequency and amplitude are restored on reassembly.
- Drop-In Assembly Fit: — Supplied as a complete inner core assembly, so it installs into the vibrator housing the same way the original was fitted — no machining or adaptation needed.
- Broad M-Series Compatibility: — Covers M1500/120 US, M1500/230 EU, M1500/120 GB, M2500/120 US, M2500/230 EU, and M2500/120 GB vibrator models in a single part number.
- Restores Full Concrete Consolidation Performance: — A worn or damaged inner core reduces vibration energy transferred to the concrete, leading to voids and poor consolidation; replacing it returns the tool to its rated output.
- Protects Drive Components: — Running a degraded inner core puts uneven load on the drive engine and flexible shaft; a fresh OEM core keeps stress on surrounding parts within design limits.
The inner core complete is the rotating eccentric assembly housed inside the vibrator head of an internal concrete vibrator. As the core spins at high speed, its off-center mass generates the vibration that consolidates fresh concrete, driving out air pockets and ensuring a dense, uniform pour. When the inner core wears, cracks, or seizes, vibration output drops off sharply — the head may feel sluggish, run hot, or stop vibrating entirely — and continued use in that condition transfers damaging stress back up the flexible drive shaft and into the motor.
Part Details
| Part Number | 5100069821 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Inner Core Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| M1500/120 | M1500/120 US | 5100004500 |
| M1500/230 | M1500/230 EU | 5100005142 |
| M1500/120 GB | M1500/120 GB | 5100005145 |
| M2500/120 | M2500/120 US | 5100006000 |
| M2500/230 | M2500/230 EU | 5100009717 |
| M2500/120 | M2500/120 GB | 5100010890 |
| Drive Engine | M2500/230 EU W | 5100047311 |
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.
