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HKM
HKM QC45

Quick Couplers

HKM QC45

The QC45 Quick Coupler is designed specifically for 40-49 t carriers. At 750 kg, with a 400-440 mm pin-center distance and 110-120 mm pin diameter, it offers excellent compatibility. Measuring 1200-1300 mm long, 630-650 mm high and 620-660 mm wide, it is agile and safe on site, delivering high performance even in tough conditions.
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-to-Pin Center Distance D (mm)
535-665
Forearm Open Width E (mm)
410-480
Retractable Distance of Oil Cylinder (mm)
535-665
Pin Center Axis Distance F (mm)
400-440
Pin Diameter G (mm)
110-120
Working Pressure (bar)
30-40
Oil Flow (l/min)
10-20

Product Detail

QC45 Quick Coupler

The QC45 is a lightweight yet robust quick coupler developed specifically for excavators in the 40-49 t range. With a 750 kg operating weight, it preserves your machine's maneuverability while letting you complete attachment changes in seconds.

Compatible with all leading excavator brands, the QC45 has a 110-120 mm pin diameter and a 400-440 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 110-120 mm pin diameter and 400-440 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 QC45 used for?

The HKM QC45 is a model in the Quick Couplers family, used for changing attachments safely in seconds.

Which carrier is the HKM QC45 suitable for?

The HKM QC45 is built to match carriers in the 40-49 ton class. Share your machine tonnage and we will confirm the right model.

What are the technical specifications of the HKM QC45?

Key technical values of the HKM QC45: Operating Weight (kg) 750, 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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