The Wacker Neuson Flexshaft Core Sm3S is a genuine OEM component designed for the M1000, M2000, M3000, A1500, A5000, L5000, and D4000 series electrical, gasoline, diesel, and battery-powered internal concrete vibrator power units. As a direct genuine OEM replacement, is manufactured to the same specifications as the original part, ensuring a correct installation without adaptation. This part fits an extensive range of Wacker Neuson internal vibrator drive units across multiple voltage and configuration variants, making it a reliable service item for contractors and concrete crews maintaining their vibrator equipment.
Key Features
- Genuine OEM Flex Transmission Integrity — Manufactured to Wacker Neuson's original torsional and dimensional specifications, maintaining consistent rotational energy transfer from drive unit to vibrator head.
- Direct Drop-In Replacement — Engineered to connect directly to Sm3S-compatible drive couplings on M-series, A-series, L-series, and D4000 power units without modification to housings or end fittings.
- Broad Power Unit Compatibility — Fits M1000, M2000, and M3000 electric units across 120V, 230V, UL, non-CUL, and RFI variants, as well as A1500, A5000, L5000, and D4000 drive units.
- Sustained Concrete Consolidation Output — A correctly functioning flexshaft core transmits full drive speed to the vibrator head, ensuring consistent concrete consolidation; a worn or kinked core causes vibration loss and poor consolidation results.
- Designed for High-Cycle Service Conditions — Internal vibrator flexshafts operate under continuous torsional load and bending stress; this genuine OEM core is built to handle the demands of production concrete pours.
The flexshaft core is the mechanical link between the power unit and the internal concrete vibrator head. It transmits rotational energy through a flexible casing, allowing the operator to direct the vibrator head into formwork while the drive unit remains stationary. When the core wears, kinks, or breaks, rotational speed drops or stops entirely at the head, resulting in inadequate concrete consolidation and potential structural voids. Replacing a damaged core promptly with a correct OEM part restores full vibrator output and protects pour quality.
Part Details
| Part Number | 5000078333 |
|---|---|
| Old Part Number | 0078333 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flexshaft Core Sm3S |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Electrical Power Unit for Inte rnal Vibrator | M3000/230 | 5000005800 |
| Electrical Power Unit | M2000/120 | 5000007653 |
| Electrical Power Unit for Inte rnal Vibrator | M1000/230 | 5000005041 |
| Electrical Power Unit for Inte rnal Vibrator | M1000/120/nonCUL | 5000005843 |
| Electrical Power Unit for Inte rnal Vibrator | M3000/120/nonCUL | 5000005845 |
| Electrical Power Unit for Inte rnal Vibrator | M2000/115/15A | 5000006305 |
| Electrical Power Unit | M2000/120/nonCUL | 5000007159 |
| Electrical Power Unit for Inte rnal Vibrator | M1000/230/RFI | 5000005494 |
| Electrical Power Unit for Inte rnal Vibrator | M2000/230/RFI | 5000005495 |
| Electrical Power Unit for Inte rnal Vibrator | M2000/230/n Gr | 5000006551 |
| M3000/230/RFI | M3000/230/RFI | 5000006590 |
| Diesel Power Unit for Internal Vibrator | D4000 | 5000009091 |
| A5000/160 ISO | A5000/160 ISO | 5000610325 |
| A5000/160 ANSI | A5000/160 ANSI | 5000610340 |
| Gasoline Power Unit for Intern al Vibrator | A5000 | 5000009213 |
| L5000/225 ISO | L5000/225 ISO | 5000610329 |
| A1500-POWER UNIT,HONDA,35CC | A1500/035 ISO | 5000610324 |
| A1500 POWER UNIT, HONDA | A1500/035 ANSI | 5000610339 |
| L5000/225 ANSI | L5000/225 ANSI | 5000610341 |
| Drive Engine | M1000/120/UL | 5100006158 |
| Drive Engine | M2000/120/UL | 5100006159 |
| Drive Engine | M3000/120/UL | 5100006160 |
| A5000/160B | A5000/160B | 5100068212 |
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.
