Spherilok Dredge Cutterhead from ESCO Corporation.

The ESCO Spherilok Dredge Cutterhead employs the very latest in ESCO design and manufacturing technology. Each cutter head is a custom engineered system. ESCO dredging specialists carefully analyze customer requirements and operating conditions to arrive at the design criteria – digging angle, arm spacing profile and size, and tooth location and orientation.

ESCO engineers match the design criteria with field-proven innovations to produce a cutterhead that provides maximum dredge productivity.


  • Hub mounted teeth assist a suction cutter dredge with a hydraulically advanced spud to step forward.
  • Ring mounted teeth provide an extra measure of wear protection.
  • Arm spacing, profile, and tooth type are determined to suit the material being dredged.

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