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The European standard for safety and versatility. Hydraulic operation for fast, secure attachment changes without leaving the cab.
Compatible with Steelwrist, Rototilt, Engcon.
For professional use only. Verify machine specifications before ordering. Complies with ISO 13031.
The S-Standard (Symmetric Quick Couplers) is the fastest growing standard for excavators internationally. It allows for a compact, lightweight, and robust connection that doesn't compromise your machine's breakout force.
SIE-QC-S30-HYD
Dropping a bucket is every operator's nightmare. Our S-System couplers feature redundant safety systems to ensure that never happens, even in the event of hydraulic failure.
Built-in check valves maintain pressure even if a hose bursts, preventing attachment drop.
Mechanical technology ensures the front axle is secured before the rear engages.
Verify your machine's compatibility and get a guaranteed quote in minutes. No account required.
© 2026 Sieruta PPHU. All rights reserved. VAT EU: PL7582443798
SIE-QC-S40-HYD
SIE-QC-S45-HYD
SIE-QC-S50-HYD
SIE-QC-S60-HYD
SIE-QC-S70-HYD
Clear green/red indicators visible from the cab confirm when the coupler is fully locked.