The Wacker Neuson Flex Shafts SM 2S is a genuine OEM flexible shaft assembly designed for the M1500 and M2500 series internal concrete vibrators. As a direct OEM replacement sourced from Wacker Neuson, part is manufactured to the same specifications as the original component, ensuring proper power transmission from the drive motor to the vibrator head. This shaft is confirmed to fit multiple M1500 and M2500 configurations, including 120V US, 230V EU, and 120V GB variants, making it a versatile replacement for contractors operating across different power supply environments.
Key Features
- OEM-Matched Flex Construction — Built to the same torsional flexibility and core diameter as the original, maintaining smooth, consistent power transfer to the vibrator head without vibration loss or whip.
- Direct Swap for M1500 and M2500 Variants — Confirmed fitment across M1500/120 US, M1500/230 EU, M1500/120 GB, M2500/120 US, M2500/230 EU, and M2500/120 GB configurations — one part number covers the full SM 2S family.
- Genuine Wacker Neuson OEM Part — Supplied as an authentic Wacker Neuson component, meaning correct shaft length, connector interface, and outer casing material are preserved exactly as designed for these vibrator models.
- Sustained Consolidation Performance — A worn or kinked flex shaft delivers inconsistent vibration frequency to the head, leading to poor concrete consolidation and potential voids. A fresh 5100005708 restores full, even vibration output.
- Built for High-Cycle Jobsite Use — Internal concrete vibrators operate under continuous flexing and rotational stress; this shaft is engineered to handle the repetitive bending loads typical of poured concrete applications.
The flex shaft is the mechanical link between the drive motor and the vibrator poker head in an internal concrete vibrator system. It transmits rotational energy through a flexible, coiled-core cable, allowing the operator to maneuver the head through formwork while the motor remains stationary. Over time, the shaft's inner core can fray, kink, or lose torsional integrity from repeated bending and high-RPM use — symptoms that show up as reduced head vibration, shaft overheating, or erratic performance at the poker. Replacing the shaft with a genuine OEM unit like the Wacker Neuson 5100005708 restores the correct energy transfer needed to properly consolidate concrete and eliminate air pockets.
Part Details
| Part Number | 5100005708 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flex Shafts SM 2S |
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.
