Type MUG – Gravel and sand extraction

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Type MUG – Gravel and sand extraction


Underwater gravel and sand extraction using floating dredgers, with 2 or 4-cable winch unit. Suitable for operation in all river and sea dredging areas for the harshest bed conditions maximum dredging depths

Technical design

  • ZERO maintenance to protect the environment and for improved productivity
  • high grab capacity thanks to weight-optimised design
  • rugged, torsionally stiff grab design for maximum loads
  • Grab jaws made of hard-wearing fine grained structural steel
  • replaceable teeth that can be adapted to the ground conditions
  • KRÖGER bearing system, jaw pivot points and cylinder rod bearings of ZERO-maintenance design
  • KRÖGER power unit arrangement for ease of service, motor separate from the hydraulic tank in the crossbeam, hydraulic units in the tank
  • Environmentally friendly hydraulic fluid: hydraulic system with organic oil to protect the environment

All Grapples:

Hydraulic grabs
Special grapples for alternative fuels
Lifting equipment