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Used/Rebuild

Factory Rebuilds and Retrofits

Kays Engineering offers factory rebuild services for all DeHoff, Eldorado, and TechniDrill machines. By refurbishing your used machine, you get the performance and reliability of a new machine without the new machine price.

All full rebuilds offer the newest control options as retrofits and employ the latest technologies, which enables Kays Engineering to offer a 12-month warranty on all factory rebuilds, the same as our new machines.

Machine Rebuilds

Machine rebuilds can include any of the following, depending on customer needs:

Machine Component Replacement

  • Re-grind the Slide Ways
  • Re-machine and hand-scrape Gibs and Straps
  • Replace and hand-scrape Chip Box
  • Spindle Test and Break-in
  • Full re-paint
  • Spindle Bearings
  • Spindle Motor
  • Spindle Lube System
  • Spindle Drive Belts
  • Ball Screw and Bearings
  • Rotary Coolant Union
  • Hoses and Fittings as needed
  • Spray Shields and Bellows

Electrical Component Replacement

  • Latest Machine Control featuring Beckhoff components
  • Variable Frequency Drive
  • Encoder Feedback Servo Drive System Motor
  • Motor Starters
  • Wiring
  • Electrical Enclosure

Coolant System Component Replacement

  • New High Pressure Pump
  • Rebuild High Pressure and Transfer Pump Motors
  • Replace all wiring, Hoses, and Fittings as needed
  • Full re-paint

Used Machines

DeHoff 1036T

  • Manufactured in 1997
  • OEM Factory Refurbished – including new spindle shafts, bearings, belts, pulleys, pumps, hoses, flow monitors, and corrected spindle alignments
  • 2 gundrilling spindles
  • 1 inch (25.4 mm) diameter gundrilling capacity
  • 36 inches (914 mm) maximum gundrilling depth
  • 5 HP spindle motor
  • Counter-rotation fixturing with chucks and pneumatic tailstock
  • High-pressure coolant system w/ chip conveyor
  • Serial No. DH-1894