ULElectrical Apparatus Service Association, Inc.

Reconditioned EMD79 DC Drilling Motor

Reconditioned EMD79 DC Drilling Motor
Reconditioned EMD79 DC Drilling Motor

The Joliet JEC-EMD 79 Series Wound Reconditioned Drilling Motordelivers a continuous rating from mud pump and rotary table application of 800 HP and intermittent rating for drawworks application of 1000 HP. Continuous rating is at 750 VAC, 850 Amperes, 1000 RPM.


PDF JEC-EMD-79 Data Sheet (PDF, 667KB)


JEC-EMD79 Features
  • Reconditioned Self Excited Series Field
  • Reconditioned EMD Armature, Single Tapered Shaft Extension with New Hub
  • Reconditioned Class H Insulation
  • New Heavy Duty Pressurized connection box mounted on left side of motor as viewed from commutator end, with Double bolt-on or Plug-in armature cable connections and terminations for space heater, auxiliary switch, and pressure sensor, Connection box can be specified on right side
  • New Space Heater, 120 or 240 Volts, Explosion Proof, 150 Watts
  • New Crouse-Hinds Auxiliary Lockout Switch, Explosion Proof
  • New Blower Assembly, 10 HP, Explosion Proof, 460 Volts, 60 Hz., providing 2600 CFM of cooling at 7.2 In. of water.
  • New Dwyer Pressure Sensor, Explosion Proof
  • Approximate Weight: 6,150 Lbs., 2,789 kg
  • ISO 9001:2000 Quality Program
  • New Cushioned “Export Spec.” Shipping Skid
  • Shrink-wrap w/Desiccant
  • 12/18 Month Warranty


Engineering Data
  • 4270 lb. ft. Torque at 1000 RPM (800 HP)
  • Enclosure: Weatherproof
  • Force Ventilated
  • Inspection Covers: Bolt-on or Snap-on Type
  • Leads: 535 MCM
  • Red Oxide Primer Inside & Out with (2) Part Epoxy Paint System, Grey in Color

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