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HKM
HKM QC20

Quick Couplers

HKM QC20

The QC20 Quick Coupler is designed specifically for 17-23 t carriers. At 300 kg, with a 305-315 mm pin-center distance and 70-80 mm pin diameter, it offers excellent compatibility. Measuring 970-1000 mm long, 500-520 mm high and 470-510 mm wide, it is agile and safe on site, delivering high performance even in tough conditions.
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-to-Pin Center Distance D (mm)
420-500
Forearm Open Width E (mm)
305-360
Retractable Distance of Oil Cylinder (mm)
420-500
Pin Center Axis Distance F (mm)
305-315
Pin Diameter G (mm)
70-80
Working Pressure (bar)
30-40
Oil Flow (l/min)
10-20

Product Detail

QC20 Quick Coupler

The QC20 is a lightweight yet robust quick coupler developed specifically for excavators in the 17-23 t range. With a 300 kg operating weight, it preserves your machine's maneuverability while letting you complete attachment changes in seconds.

Compatible with all leading excavator brands, the QC20 has a 70-80 mm pin diameter and a 305-315 mm pin-center distance. It delivers smooth hydraulic performance at 30-40 bar operating pressure and 10-20 L/min oil flow.

Its wear-resistant body and dual safety system ensure safe, fast and long-lasting use on site.

Advantages

  • Uninterrupted Workflow: Attachments can be changed without leaving the cab.
  • Low Operating Cost: Less labor and lost time minimize project expenses.
  • Increased Safety: A spring safety ring and dual-lock pin system ensure a secure connection.
  • Compact Build: High maneuverability in tight spaces and maximum control with a light build.
  • Easy Maintenance: Sealed bearings and single-point greasing complete daily upkeep in minutes.

Applications

  • Multi-Attachment Use: Fast switching between breaker, auger, bucket and other attachments.
  • Construction & Ground Works: Trenching, fill and maintenance with lighter equipment.
  • Urban & Light Industrial Use: Maximum flexibility on small-scale site applications.

Key Features

  • Manganese Steel Body: Long-lasting performance against wear and impacts.
  • Spring Safety Ring & Dual-Lock Pin: Prevents accidental release during operation.
  • Compatible Design: A 70-80 mm pin diameter and 305-315 mm pin-center distance fit all major brands.
  • Hydraulic Performance: Safe, efficient use at 30-40 bar pressure and 10-20 L/min oil flow.

Frequently Asked Questions

What is the HKM QC20 used for?

The HKM QC20 is a model in the Quick Couplers family, used for changing attachments safely in seconds.

Which carrier is the HKM QC20 suitable for?

The HKM QC20 is built to match carriers in the 17-23 ton class. Share your machine tonnage and we will confirm the right model.

What are the technical specifications of the HKM QC20?

Key technical values of the HKM QC20: Operating Weight (kg) 300, Oil Flow (l/min) 10-20, Working Pressure (bar) 30-40. The full spec table is on the product page and in the brochure.

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