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ISO13031 Coupler Compliant


The Miller GTX Series HYDRAULIC QUICK COUPLER SUITABLE FOR EXCAVATORS FROM 8 TO 50 TONNE delivers the safest, lightest, lowest, yet strongest class leading quick coupler in the marketplace.

Easy to operate and far lighter and stronger than any other quick hitch coupler, this attachment optimises the machines’ performance. Miller GT series also offers an ISO 13031 compliant novel locking system, designed to ensure that the widest set of OEM pin pickups are safely attached all from the comfort and security of your cab.

Front Pin
Rear Pin
Pin Pickup
Pin Pickup
Lifting Eye
SWL (kg)
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Features & Benefits

  • New low profile design provides a shorter pin to point measurement delivering maximum breakout force for greater productivity.
  • The lightest, lowest, Innovative fully cast body shell capable of withstanding all working environments.
  • Optimised coupler arm design to mirror excavator geometry
  • Global industry benchmark for safety, adaptability and durability, complying with all current and future global quick coupler safety regulations.
  • ISO13031, EN474-1, Australia – AS4772-2008 Compliance, NSW Working paper.
  • Twin locking independent back up system including a novel internal ISO gas spring cylinder Internal which ensures the attachment remains securely engaged in a working position in the event of hydraulic loss complying with global legislation.Universal OEM Capabilities
  • Designed to reduce the risk of job site accidents, coupler misuse, interruptions and unexpected costs
  • An additional safety feature for GT quick couplers that goes above and beyond legislative requirements
  • Will only allow attachment change process to start when the attachment is safely placed on the ground
  • Combines visual and sensory alert based safety notifications
  • Controlled release system promotes safe working behaviour whilst reducing operator complacency
  • 100% cast from high tensile steel, delivering exceptionally strong performance despite being the lightest frame in its class.
  • Heat treated high-grade steel designed to guarantee its strength and help eliminate weak points to enhance durability in high stress operations.
GT Series Excavator Weights Pin Diameter Pin Centres Pick Up Width
Range 3 6-10T 50 280-317 164
60 290-320 164
Range 4 11-14T 60 345-415 216
65 355-420 216
Range 5 15-19T 70 376-472 272
80 391-477 272
Range 6 20-22T 80 430-520 302
Range 7 24-29T 80 443-520 321
90 458-525 321
Range 8 30-38T 90 482-602 340
100 500-607 340
Range 9 39-48T 100 536-630 396
100 542-608 396

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