The Wacker Neuson Shaft Core SM9S is a genuine OEM component designed for M1500 and M2500 series concrete vibrators, including 120V US, 230V EU, and 120V GB configurations. As a direct OEM replacement, this shaft core is manufactured to the same standards as the original part, ensuring a correct, trouble-free installation without guesswork. Fitment covers the M1500/120 US, M1500/230 EU, M1500/120 GB, M2500/120 US, M2500/230 EU, and M2500/120 GB models. Keep part number on hand for scheduled maintenance or unplanned repairs to get your vibrator back in service fast.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to exact OEM tolerances, ensuring the shaft core seats and transmits vibration force correctly within the flexible shaft assembly.
- Direct Drop-In Replacement — Engineered to install the same way as the original, with matching geometry and connection points for the SM9S flexible shaft system.
- Broad M1500 and M2500 Compatibility — Fits multiple voltage variants across both the M1500 and M2500 series, covering US, EU, and GB market configurations.
- Consistent Vibration Transmission — A correctly functioning shaft core delivers smooth, uninterrupted vibration energy from the drive unit to the vibrator head, essential for proper concrete consolidation.
- Sourced Direct from Wacker Neuson — Supplied as a genuine Wacker Neuson OEM part, so you get the same component that was built into your machine originally.
The shaft core is the inner drive element of a flexible shaft assembly, responsible for transferring rotational power from the motor unit to the vibrator head. It sits inside the outer shaft casing and must maintain its structural integrity under continuous torsional load to keep vibration output consistent and strong. When a shaft core wears, kinks, or breaks, vibration output drops off or stops entirely, leading to poorly consolidated concrete and costly rework on the pour.
Part Details
| Part Number | 5100022658 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Shaft Core SM9S |
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.
