HKM QC20
Quick Coupler
The QC20 Quick Coupler is specifically designed for carrier machines ranging from 17-23 tons. With an operating weight of 300 kg, it features a pin center distance of 305-315 mm and a pin diameter of 70-80 mm. Measuring 970-1000 mm in length, 500-520 mm in height, and 470-510 mm in width, it ensures agility and safety on the field. Its robust structure guarantees high performance even under tough conditions.
Campaign
QC20 Quick Coupler
The QC20 model Quick Coupler is designed for excavators in the 17 to 23 ton range. With a working weight of 300 kg, it offers the strength and safety needed for mid-to-heavy-duty operations. The body dimensions: 970–1000 mm in length, 500–520 mm in height, and 470–510 mm in width ensure a solid fit and robust performance on demanding job sites. It accommodates pin diameters of 70–80 mm and a pin center axis distance of 305–315 mm. Operating at 30–40 bar pressure and requiring an oil flow rate of 10–20 L/min, QC20 enables smooth, safe, and efficient attachment changes across various applications.
Benefits
- Minimized Downtime: Instant, single-operator attachment changes keep your workflow uninterrupted.
- Lower Operating Costs: Reduce equipment fleet size and labor requirements to save on project expenses.
- Improved Safety: Dual-lock pins and spring-loaded circlip system provide redundant security against accidental release.
- Maximum Versatility: One coupler handles breakers, buckets, rippers, cutters and more. No adapter kits needed.
- Low Maintenance: Sealed bearings and consolidated grease points cut daily upkeep to minutes.
- Extended Service Life: Premium steel and precision machining enhance both coupler and attachment longevity.
Application Areas
- Multi-Attachment Workflow: Rapidly switch between buckets, breakers, rippers, drum cutters, crushers and grapples without leaving the cab.
- General Construction & Earthworks: From utility trenching to site grading—keeps operators productive on mixed-attachment jobs.
- Demolition & Recycling: Quick changes between breaker and crusher attachments accelerate debris removal and on-site crushing.
- Landscaping & Utilities: Seamlessly move from trenchers to augers to grading buckets for pipeline, irrigation and hard-scape work.
- Civil & Road Maintenance: Ideal for municipal crews needing fast transitions between pavement saws, planers and sweepers.
Key Features
- Premium Manganese Steel Body: High strength and wear resistance withstands heavy impact and abrasion.
- Spring-Loaded Circlip & Dual-Lock Pin: Redundant safety system locks the attachment under pressure, preventing accidental release.
- Universal Compatibility: Engineered to fit all major excavator makes and models via adjustable pin centers and separation fits.
- Lean Maintenance: Sealed bearings and consolidated greasing points slash daily upkeep to minutes.
Technical Specifications
| Carrier Weight (ton) | 17–23 |
| Operating Weight (kg) | 300 |
| Length A (mm) | 970–1000 |
| Height B (mm) | 500–520 |
| Width C (mm) | 470–510 |
| Pin Center Axis Distance D (mm) | 305–315 |
| Pin Diameter E (mm) | 70–80 |
| Working Pressure (bar) | 30–40 |
| Oil Flow (l/min) | 10–20 |