HKM QC45
Quick Coupler
The QC45 Quick Coupler is specifically designed for carrier machines ranging from 40-49 tons. With an operating weight of 750 kg, it features a pin center distance of 400-440 mm and a pin diameter of 110-120 mm. Measuring 1200-1300 mm in length, 630-650 mm in height, and 620-660 mm in width, it ensures agility and safety on the field. Its robust structure guarantees high performance even under tough conditions.
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QC45 Quick Coupler
The QC45 model Quick Coupler is designed for 40 to 49 ton class excavators. With a working weight of 750 kg, it is engineered to handle large attachments in heavy-duty environments. The coupler measures 1200–1300 mm in length, 630–650 mm in height, and 620–660 mm in width. It supports pins with diameters of 110–120 mm and provides a pin center axis distance of 400–440 mm. Operating at 30–40 bar hydraulic pressure with a flow requirement of 10–20 L/min, QC45 ensures robust, safe, and efficient attachment changes in demanding conditions.
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) | 40–49 |
| Operating Weight (kg) | 750 |
| Length A (mm) | 1200–1300 |
| Height B (mm) | 630–650 |
| Width C (mm) | 620–660 |
| Pin Center Axis Distance D (mm) | 400–440 |
| Pin Diameter E (mm) | 110–120 |
| Working Pressure (bar) | 30–40 |
| Oil Flow (l/min) | 10–20 |