- Model III - In-Plant Core Drilling Machines



The Hydrokor5 Family of In-Plant Core Drilling Machines offer powerful performance and reliability. Models vary, from our Hydrokor* VI with a single spindle and turntable to our Hydrokor3 III made for the large volume producer who needs to quickly and efficiently core several different hole sizes.


  • 4 to 8 spindle options available
  • Internal frame allows full bit rotation and an open machine platform with walkway
  • V-Rail traversing system for multiple turntables

Power Unit

  • 20 HP heavy-duty power/control unit with premium quality components
  • Unit can be field configured for left or right-hand control
  • Digital turntable display
  • Rugged Gresen heavy-duty equipment valves
  • Hydraulic Auto-Feed System
  • Optional Digital Elevation and Feed Digital Displays with user set Auto Retract


  • 4 inch tall positioners allow fork lift to drop and lift directly from table
  • Independent 90 inch diameter turntable design allows for flexible configurations
  • Synchro Drive Encoder System for turntable digital readout.

Feed Frame

  • 47 inch feed with Sheffer hydraulic cylinder
  • V-Groove rollers with heavy-duty, double-taper bearings
  • Extra-heavy 22 pound per foot steel rail frame

Elevation Frame

  • Drill center line to manhole positioned is 8 inches – 73 inches (65 inch net stroke)
  • Hydraulic cylinders for rapid elevation adjustment
  • Counter-balance safety valve for fail-safe operation
  • Solid elevation posts for improved stiffness and reduced vibration
  • Optional light-duty Core Drill hoist

Drive Train

  • Ultra solid drive platform made from solid steel for smooth coring
  • Heavy-duty water swivel with ball bearing construction and replaceable seals
  • Four-speed, heavy-duty, Funk/John Deere® HMD 12700 transmission

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