GSK 4

The latest invention of Koller

The grapple carriage GSK 4

• Compact and robust design
• High quality components
• For use with intermediate supports too in standing skyline operation
• Movable drives with 4 pulleys
• Large grapple opening width of 1850mm (0.4m²) for fast picking of several trees
• Powered by a 43 kW (59PS) diesel engine
• Strong winch with 50 kN pulling force
• Can also be used as lifting winch carriage
• High lifting speeds of approx. 1m/s with load
• Great lowering height of 40 m
• Remote control system with 3 cameras for save ergonomic operation from the control panel
• TARS system -> regulates the transport height by automatically raising and lowering the carriage to increase the payload and the driving speed
• Optional skyline clamp for emergency clamping; also includes cable failure sensor