The Wacker Neuson Inner Core Complete is a genuine OEM component designed for the M1500 and M2500 series internal concrete vibrators. As a direct factory replacement, this part is manufactured to the same specification as the original, ensuring it installs and performs exactly as intended across compatible M1500 and M2500 models. Verified fitment covers a range of voltage configurations including 120V US, 230V EU, and 120V GB variants, making this a versatile stocking part for contractors running mixed fleets.
Key Features
- Genuine OEM Construction: — Manufactured by Wacker Neuson to original tolerances, ensuring the flexible shaft and outer casing interface engage with the correct tension and rotational balance critical for vibrator performance.
- Direct Drop-In Replacement: — Engineered to connect directly within the vibrator housing with no rework to surrounding components, preserving assembly integrity on reinstallation.
- Broad M-Series Compatibility: — Confirmed fitment across M1500/120 US, M1500/230 EU, M1500/120 GB, M2500/120 US, M2500/230 EU, and M2500/120 GB models.
- Sustained Vibration Output: — A worn or damaged inner core causes erratic or lost vibration frequency, leading to poor concrete consolidation; a fresh OEM core restores full, consistent output to the vibrator head.
- Long Service Life: — Built from materials selected for repeated flexing under load, resisting the fatigue and kinking that shortens the life of inferior replacement cores.
The inner core complete is the central flexible drive assembly inside a concrete vibrator hose — it transmits rotational force from the motor down through the vibrator tube to the eccentric head, generating the high-frequency vibration needed to consolidate fresh concrete. When the inner core wears, kinks, or breaks, the vibrator head loses speed or stops vibrating entirely, which compromises concrete placement quality. Replacing the inner core complete restores full drive transmission and brings the vibrator back to proper operating frequency.
Part Details
| Part Number | 5100069831 |
|---|---|
| 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.