Wacker Neuson 5000078330 Flexshaft Core Sm0S

The Wacker Neuson Flexshaft Core Sm0S is a genuine OEM component designed for the M-Series, A-Series, L-Series, and D4000 electrical, gasoline, and diesel power units used with Wacker Neuson internal concrete vibrators. As a direct factory replacement, part meets the original engineering specifications for flexible shaft drive systems across a wide range of power unit configurations. Compatibility spans electric models such as the M1000, M2000, and M3000 series, gasoline units including the A1500 and A5000, the L5000 series, and the D4000 diesel power unit. If your flexible shaft drive core is worn, kinked, or broken, replacing it with the correct OEM part restores proper vibration transfer to the attached internal vibrator head.

Key Features

• Genuine OEM Torque Transmission: — Engineered to Wacker Neuson's original torsional load and flexibility specifications, ensuring consistent energy transfer from power unit to vibrator head without slippage or fatigue cracking.
• Drop-In Core Replacement: — Sized and terminated to match the Sm0S shaft interface, allowing straightforward installation into compatible Wacker Neuson flexible shaft assemblies without custom fitting or modification.
• Broad Power Unit Compatibility: — Fits M1000, M2000, and M3000 electric series; A1500 and A5000 gasoline units; L5000 series; and the D4000 diesel power unit, covering a wide installed base of Wacker Neuson internal vibrator equipment.
• Restores Full Vibration Output: — A damaged or worn flexshaft core reduces rotational speed delivered to the vibrator head, leading to uneven concrete consolidation. A fresh OEM core brings vibration output back to rated performance.
• Verified Part Number 5000078330: — Sourced directly through the Wacker Neuson OEM supply chain, so the part number on the box matches what your machine was built with — no guesswork at installation.

The flexshaft core is the inner drive element of a flexible shaft assembly, transmitting rotational power from the power unit motor to the vibrator head inserted into fresh concrete. It must flex and rotate simultaneously under sustained load, making material quality and dimensional accuracy critical — a core that is too stiff, too soft, or incorrectly sized will vibrate irregularly or fail prematurely. When a flexshaft core wears out or breaks, the vibrator head stops spinning entirely, halting concrete consolidation work until the core is replaced.

Part Details

Compatibility & Fitment

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.