Quick couplers · MS system
QC-HS / QC-MS - MS-System compatible quick-coupler
MS - MS-System compatible quick-couplers
- 0.9–28 tons
- On request
Cast steel quick-couplers compatible with MS / SY system brackets, CNC machined for a fit that stays tight after many hours of use. Three operating types share one set of dimensions: fully automatic hydraulic (QC-HS), mechanical by wrench (QC-MS, wrench included) and hydraulic tilt/swivel (QC-U-HS) with 2 × 90° of movement.
About this family
Fully automatic excavator quick coupler compatible with MS / SY system. Designed and built to EN 474-5 & ISO 13031. Front & Rear mechanical safety locks + additional third hydraulic safety feature with pilot operated check valve. Visual indicator of engagement included.
Manual, mechanically operated quick-hitch compatible with MS / SY system. Semi-automatic version available. Long service life. Cast steel body and CNC machining. Coupler retains tight fit after many hours of use. Wrench included.
Five sizes cover carriers from 0.9 t to 28 t. Built to EN 474-5 and ISO 13031: front and rear mechanical safety locks, a third hydraulic lock through a pilot operated check valve, and a visual indicator of engagement. Reversible when used with SY brackets. The table below is the catalogue page.
Feature highlights
- Compatible with MS / SY system brackets
- Cast steel body
- Long-life design
- Automatic, manual, semi-automatic, and swiveling options available
- Safety features (pilot check valve, front pin lock, visual safety indicator, rear pin lock)
- Reversible when used with SY brackets
Automatic: fully automatic hydraulic quick-couplers compatible with MS-System. Highlights:
- Rear Mechanical Safety Lock: stiff springs hold engagement
- Another Hydraulic Lock: pilot operated check valve
- Visual Indicator of coupler state
- Engineered for Precision: Cast steel body with CNC machining.
Manual: mechanical quick-coupler compatible with MS-System. Key features:
- Mechanical action operated by wrench (included).
- Durable: cast steel body with CNC machining, so the coupler keeps a tight fit after many hours of use.
- Less expensive than automatic model.
- Low Maintenance: Easy upkeep for continuous operation.
Tilt/Swivel: hydraulic-tilting MS-compatible quick coupler, hydraulic & mechanical. Key features include:
- Full Mobility: Tilts and swivels the attachment into its working position.
- Hydraulic Operation: Smooth action both ways 2x90 degrees
- Durable Construction: made for work in hard site conditions.
- Safety: Front and rear mechanical locks, a pilot operated check valve and a visual indicator of engagement hold the attachment.
Dimensions
Dimensions in mm Dimensions in mm Dimensions in mm
Models and specifications
Figures as printed on this family’s datasheet. A dash means the datasheet does not state that figure.
Datasheet (PDF)| Model | Operation | Machine class [t] | A [mm] | B [mm] | C [mm] | D [mm] | E [mm] | F [mm] | Weight [kg] | Tilt size | Holding torque [Nm] | Working pressure [bar] | Tilt angle [°] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| QC-HS-01 | Automatic | 0.9 - 2.0 | 235 | 180 | 40 | – | – | – | 20 | – | – | – | – |
| QC-HS-03 | Automatic | 2.0 - 6.0 | 295 | 200 | 50 | – | – | – | 30 | – | – | – | – |
| QC-HS-08 | Automatic | 6.0 - 12 | 400 | 290 | 60 | – | – | – | 90 | – | – | – | – |
| QC-HS-10 | Automatic | 10 - 19 | 520 | 395 | 70 | – | – | – | 200 | – | – | – | – |
| QC-HS-21 | Automatic | 18 - 28 | 545 | 495 | 80 | – | – | – | 310 | – | – | – | – |
| QC-MS-01 | Manual | 0.9 - 2.0 | 235 | 180 | 40 | – | – | – | 20 | – | – | – | – |
| QC-MS-03 | Manual | 2-6 | 295 | 200 | 50 | – | – | – | 30 | – | – | – | – |
| QC-MS-08 | Manual | 6 - 12 | 400 | 290 | 60 | – | – | – | 90 | – | – | – | – |
| QC-MS-10 | Manual | 10 - 19 | 520 | 395 | 70 | – | – | – | 200 | – | – | – | – |
| QC-MS-21 | Manual | 18 - 28 | 545 | 495 | 80 | – | – | – | 310 | – | – | – | – |
| QC-U-HS-01 | Tilt / swivel | 0.9 - 2.0 | 235 | 180 | 40 | 260 | 227 | 318 | 46 | 100 | 2.4 | 210 | 180 |
| QC-U-HS-03 | Tilt / swivel | 2.0 - 6.0 | 295 | 200 | 50 | 335 | 252 | 398 | 90 | 125 | 8.2 | 210 | 180 |
| QC-U-HS-08 | Tilt / swivel | 6.0 - 12 | 400 | 290 | 60 | 580 | 365 | 540 | 232 | 200 | 24.0 | 210 | 180 |
| QC-U-HS-10 | Tilt / swivel | 10 - 19 | 520 | 395 | 70 | 510 | 498 | 702 | 402/436 | 250 | 40.0 | 250 | 100/140 |
| QC-U-HS-21 | Tilt / swivel | 18 - 28 | 545 | 495 | 80 | 580 | 624 | 735 | 644/684 | 270 | 54.0 | 250 | 100/140 |
→ Scroll the table sideways to see every model.
Sieruta-held certifications
- EN ISO 3834-2Certified welding qualityCSW/1293/2025
- EN 1090-1 EXC1 + EXC2Factory production control1433-CPR-0257
- EN ISO 9606-1 · WPQR EN ISO 15614Qualified welders and procedures
- EN ISO 9712: VT + PT level 2Non-destructive testing
- EN 10204 3.1Material traceability
- CE: 2006/42/ECCE markingTransition to Regulation (EU) 2023/1230 underway. Applicable from 20 January 2027.
Option: wear parts made from Hardox on request. We are a member of SSAB's Hardox In My Body programme.
Warranty
Sieruta covers manufacturing defects for original manufactured components.
Carbon transparency data is available for this product family.
View CE declarationQuick couplers
Request a quote
Parametric configurator + engineering review. Reply usually within 24–48 hours.