The Wacker Neuson Shaft Core SM1E is a genuine OEM component designed for M1500 and M2500 series internal concrete vibrators, including 120V US, 230V EU, and 120V GB configurations. As a factory-sourced part, the is built to the exact material and dimensional tolerances Wacker Neuson specifies for the SM1E drive system, ensuring proper fit within the vibrator head assembly. Compatible across multiple voltage variants of the M1500 and M2500 lines, this shaft core is the correct choice when restoring original performance to your vibrator. Confirm your model number against the fitment list before ordering to ensure a direct match.
Key Features
- OEM-Grade Core Material — Manufactured to Wacker Neuson's exact torsional strength and flexibility specifications for the SM1E drive system, maintaining consistent vibration output under continuous concrete consolidation loads.
- Direct Drop-In Replacement — Engineered to the same diameter, length, and end-fitting profile as the original, allowing the shaft core to seat and connect within the vibrator housing without modification.
- Broad M1500 and M2500 Coverage — A single part number covers 120V US, 230V EU, and 120V GB variants of both the M1500 and M2500 internal vibrator series, simplifying parts sourcing across mixed fleets.
- Sustained Vibration Transmission — A correctly functioning shaft core transfers rotational energy from the motor to the vibrator head efficiently; a worn or fractured core causes erratic or total loss of vibration, leaving concrete improperly consolidated.
- Genuine Wacker Neuson Part — Sourced directly through the Wacker Neuson OEM supply chain, so you receive the same component installed at the factory — not a generic substitute.
The shaft core is the flexible drive element inside a poker-style internal vibrator, transmitting rotational force from the motor unit down through the hose assembly to the vibrator head. It must flex freely as the hose bends during use while continuing to deliver consistent torque to keep the head spinning at the correct frequency. When the shaft core wears, kinks, or fractures, vibration output becomes inconsistent or stops entirely, which directly compromises concrete consolidation quality and can force a pour to be halted mid-placement.
Part Details
| Part Number | 5100022727 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Shaft Core SM1E |
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.