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Sieruta CW System couplers deliver market-leading breakout force and seamless Verachtert-compatible connectivity.
For professional use only. Verify machine specifications before ordering. Complies with ISO 13031.
Sieruta CW couplers are manufactured to precise OEM standards, ensuring 100% interchangeability with all existing Verachtert-system (CW) buckets and attachments. Whether you have a mixed fleet or specific legacy tools, our couplers connect without modification.
Guaranteed Fit Protocol
From compact 1-ton mini excavators to 50-ton quarry machines, we have a CW system engineered for your specific breakout force requirements.
Lightweight mechanical coupler for mini excavators. Simple, reliable wedge-lock mechanism for fast manual changes.
Our hydraulic CW couplers feature a triple-redundant safety architecture that complies with ISO 13031 requirements, ensuring your team goes home safe every day.
Prevents pressure loss and ensures the wedge remains firmly locked even in the event of hydraulic failure.
Brightly colored safety indicators provide instant visual confirmation to the operator that the attachment is securely locked.
Ensures the attachment cannot be released unless it is in a safe, curled position, preventing accidental drops.
Get a precise quote including lead times and shipping to your location. Most standard CW couplers ship within 48 hours.
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Hydraulic CW10 coupler for compact excavators. Change attachments safely from the cab with zero play.
Heavy-duty CW20S for mid-range excavators. Engineered for maximum breakout force and demolition applications.
Robust CW30S system for 20-30 ton machines. The preferred choice for heavy construction and earthmoving.
Extreme-duty CW40S for large excavators. Handles the highest stress loads in quarrying and mass excavation.
| Model | Weight Class | Pin ø (mm) | Weight (kg) |
|---|---|---|---|
| CW05 | 1-5t | 30-45 | 35 |
| CW10 | 5-10t | 45-60 | 85 |
| CW20S | 10-20t | 60-80 | 160 |
| CW30S | 20-30t | 80-90 | 280 |
| CW40S | 30-50t | 90-110 | 450 |
Full dimensional drawings and hydraulic schematics available in ourEngineering Portal.