The Wacker Neuson Coupling Device Jaw is a genuine OEM component designed for the EHB 10 and EHB 11 series electric breakers and demolition hammers. Sourced directly from Wacker Neuson, this part carries the same specifications as the original installed at the factory. It is confirmed to fit a wide range of EHB 10 and EHB 11 variants across 115V, 110V, 230V, and 240V configurations, including BL, BLM, BLS, and Spline-drive models. Keeping this coupling in proper working condition is essential for maintaining the mechanical drive connection within the hammer mechanism.
Key Features
- Genuine OEM Torque Coupling Integrity — Manufactured to Wacker Neuson's original dimensional and material tolerances, ensuring the jaw engagement geometry transfers drive force correctly within the hammer assembly.
- Direct Drop-In Replacement — Engineered to install in the same position as the original coupling device, with no reworking of adjacent drive components required.
- Broad EHB Series Compatibility — Fits EHB 10 and EHB 11 series electric breakers and hammers across multiple voltage configurations (110V, 115V, 230V, and 240V) and chuck variants including BL, BLM, and BLS models.
- Sustained Impact Transmission — A correctly functioning coupling device maintains consistent energy transfer to the tool bit; a worn or failed jaw disrupts the drive connection and reduces chiseling or drilling effectiveness.
- Drive Train Safety — As a critical link in the mechanical drive path of an electric breaker, a compromised coupling jaw can cause unpredictable tool engagement — replacing it with a genuine OEM part restores correct, controlled operation.
The coupling device jaw connects the motor-driven mechanism to the reciprocating or rotary impact components inside the electric breaker, transmitting torque and drive energy to the tool chuck. It acts as the mechanical link that keeps the hammer's internal drive train engaged and operating in sync. When the jaw wears or fractures, the connection between the drive and the tool becomes inconsistent, resulting in loss of impact force, erratic tool behavior, or complete failure to transmit power to the bit.
Part Details
| Part Number | 5000046177 |
|---|---|
| Old Part Number | 0046177 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Coupling Device Jaw |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E.Breaker EHB 11 BL/115 WGB | EHB 11 BL/115 | 5000008741, 5000008733 |
| E.Breaker EHB 11 BLM/115SUL | EHB 11 BLM/115 | 5000008744, 5000008745 |
| Electric Breaker EHB 11 BL/230 | EHB 11 BL/230 | 5000008395, 5000008740, 5000610233 |
| Electric Drilling/Chisseling H ammer, SDS-max, 115V | EHB 11 BLM/230 | 5000008731, 5000008743, 5000610234 |
| Electric Drilling/Chisseling H ammer, Spline, 115V | EHB 11 BLS/115 | 5000008742 |
| electric hammer EHB 11 BL 230 | EHB 11 BL/230 Loxam | 5000008754 |
| Electric Drilling/Chisseling H ammer, 19x82.5, 230V | EHB 10/230 | 5000006943, 5000007081, 5000007082, 5000007083, 5000007087, 5000007494 |
| Electric Hammer EHB 10/240 | EHB 10/240 | 5000007084, 5000007085 |
| Electric Drilling/Chisseling H ammer, Spline, 115V | EHB 11/110 | 5000007096 |
| Electric Hammer EHB 10/110 | EHB 10/110 | 5000007202, 5000007203, 5000007204 |
| Electric Hammer EHB 10/100 | EHB 10/100 | 5000007205 |
| El. Hammer EHB 10/042/200 | EHB 10/042/200 | 5000007222 |
| El. Hammer EHB 10/115/200 | EHB 10/115/200 | 5000007255 |
| El. Hammer EHB 10/250/200 | EHB 10/250/200 | 5000007264 |
| El. Hammer EHB 10/127 WMM | EHB 10/127 | 5000007351 |
| E.Breaker EHB 11 BL/230 SIB | EHB 11 BL/230 WMI | 5000008919 |
| E.Breaker EHB 11 BLM/230 SIB | EHB 11 BLM/230 WMI | 5000008920 |
| E.Breaker EHB 11 BLM/230Loxam | EHB 11 BLM/230 Loxam | 5000008997 |
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.
