The Wacker Neuson Coupling Complete is a genuine OEM component designed for the EHB 7 series electric demolition hammers, including the EHB 7M, EHB 7/115, and EHB 7/230 models. Sourced directly from Wacker Neuson, this coupling meets the exact engineering tolerances specified for these SDS-max rotary demolition hammers. Confirm your model number before ordering — this part covers the full EHB 7 family across both 115V and 230V configurations.
Key Features
- Genuine OEM Power Transfer Integrity — Manufactured to Wacker Neuson's original torque and dimensional specs, ensuring the coupling transmits rotary and impact force without slip or mismatch.
- Direct Drop-In Replacement — Engineered to install exactly as the original, with correct bore geometry and engagement points to align with the EHB 7 series drivetrain.
- Broad EHB 7 Family Coverage — Fits the EHB 7M, EHB 7/115, and EHB 7/230 electric SDS-max demolition hammers, covering both standard and WSZ-variant machines.
- Restores Full Impact and Rotation Performance — A worn or cracked coupling causes loss of drive engagement, erratic chiseling action, and accelerated wear on surrounding components; replacing it restores consistent hammer output.
- Critical Drive Component — Handle with Care — As a core link between the motor and the tool chuck, the coupling must be in serviceable condition to prevent unexpected drive disengagement during operation.
The coupling in an electric demolition hammer is the mechanical link that transfers rotational and reciprocating force from the motor drive to the tool holder assembly. When it is intact and properly seated, it delivers consistent energy to the chisel or drill bit, allowing the hammer to break concrete or drill masonry efficiently. As the coupling wears or cracks, drive engagement becomes intermittent — the tool may spin or strike inconsistently, putting additional stress on the gearbox and reducing overall productivity. Replacing part number 5000104222 at the first sign of wear protects the surrounding drivetrain and keeps the EHB 7 performing as intended.
Part Details
| Part Number | 5000104222 |
|---|---|
| Old Part Number | 0104222 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Coupling Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Electric Drilling/Chisseling H ammer, SDS-max, 115V | EHB 7M | 5000007850 |
| Rotary Demolition Hammer | EHB 7/115 | 5000007706, 5000007974 |
| Electric Drilling/Chisseling H ammer, SDS-max, 115V | EHB 7/230 | 5000007973, 5000007980 |
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.
