1150HP – WL22BC115

The Ward Leonard WL22BC115

horizontally mounted inverter-rated AC induction 1150HP form wound motor is manufactured for high reliability and efficiency, and optimal use in heavy duty mud pump and drawworks applications.

The durable WL22BC115 is designed to withstand high shock and vibration conditions and to provide decades of continuous service. With Certified Class H insulation and a maximum temperature rise of 105ºC, it’s suited for any climate and hostile operating environment.


Key Features

  • 6-pole stator with form wound windings
  • Certified Class H insulation
  • Extra tough pitch copper rotor bars
  • 2-cycle global VPI
  • Double shaft extension (tapered, splined or keyed)
  • Designed for Variable Frequency Drive (VFD) operation
  • Tested for 4 hours under water at 500V
  • 4340 alloy shafts
  • IP 44 motor enclosure
  • Shaft seals & oil slingers on the drive & non-drive sides
  • Six (6) 100Ω platinum RTDs; 2/phase embedded in stator
  • ISO 9001:2008-certified

Technical Data

Motor Diagram

Motor Diagram
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Speed Torque Curves

Speed Torque Curves
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Custom Engineering

Need to optimize this motor to fit specific application requirements? No problem. Our only goal is to deliver a motor that will be the most efficient and effective solution for your needs. Just Contact Us today to speak with an engineer about your specs… or your “wish list.”



Support Center & Resources

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1150HP AC Drilling Motor – Model WL22BC115
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Ward Leonard Oil &
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