The Wacker Neuson 5100022654 SM3S Core Shaft is a genuine OEM component designed for the M1500 and M2500 series internal concrete vibrators. As a direct factory replacement, this shaft is sourced to the same specifications as the original, ensuring it installs correctly within the vibrator head assembly without modification. Confirmed fitment spans multiple voltage and regional configurations, including M2500/230 EU, M2500/120 GB, M2500/120 US, M1500/120 GB, M1500/120 US, and M1500/230 EU units.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's original dimensional tolerances, ensuring the shaft maintains the correct rotational balance critical to consistent vibration output in concrete consolidation work.
- Drop-In Replacement — Engineered to match the original shaft geometry, allowing direct installation into the vibrator head housing without reworking surrounding components.
- Broad Series Fitment — Compatible across M1500 and M2500 series vibrators in 120V and 230V configurations for US, GB, and EU markets — one part number covering a wide range of units on your fleet.
- Sustained Vibration Performance — A worn or damaged core shaft causes erratic or diminished vibration frequency, leading to poor concrete consolidation. A sound replacement restores consistent amplitude and head performance.
The core shaft is the central rotating element inside the vibrator head of an internal concrete vibrator. As the shaft spins at high speed, it generates the eccentric vibration that consolidates freshly poured concrete by eliminating air pockets and ensuring even aggregate distribution. When the core shaft wears, bends, or fails, vibration output drops off or becomes uneven — resulting in honeycombing, weak spots, or surface defects in finished concrete. Replacing the shaft promptly restores the vibrator head to full operating specification.
Part Details
| Part Number | 5100022654 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | SM3S Core Shaft |
Compatibility & Fitment
| Name | Models | Machine Number |
|---|---|---|
| Drive Engine | M2500/230 EU W | 5100047311 |
| M1500/120 | M1500/120 US | 5100004500 |
| M1500/120 GB | M1500/120 GB | 5100005145 |
| M1500/230 | M1500/230 EU | 5100005142 |
| M2500/120 | M2500/120 US | 5100006000 |
| M2500/120 | M2500/120 GB | 5100010890 |
| M2500/230 | M2500/230 EU | 5100009717 |
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.
