MotorDoc LLC has been in business since 2004 focusing on Reliability and Maintenance programs, electric motor systems and energy, industrial assessments, motor management and specifications, physical asset management, machine diagnostics and related topics including training.  Additional specialties include wind generator reliability and hybrid vehicle machine and insulation system design.

In 2015, MotorDoc LLC started focusing on field service testing, predictive maintenance and troubleshooting of machines using motor circuit analysis, electrical signature analysis, high voltage testing, vibration analysis, infrared, and power quality testing.


SUCCESS by DESIGN Publishing has been in business since 2001 and offers books, eBooks and eMags in the technical, business, science fiction and fantasy, and strength sports genres.  In addition, MotorDoc LLC provides support to the various industries through independent studies and sponsoring athletes in strength sports.


MotorDoc LLC Companies

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Dr. Penrose and partners companies

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MotorDoc LLC is a Proud Member of


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MotorDoc LLC proudly represents





Services include:

  1. Electric motor systems consulting, training, forensics and support.
  2. GTI Predictive Technology sales and support!
  3. Field Service testing, PdM, troubleshooting and forensics
  4. MotorDiagnostics.com: Library of papers related to electric machine reliability, industrial and facility reliability and maintenance, motor system testing, skilled workforce related issues and more;
  5. 2XLPowerlifting.com: NEW – 2XL Powerlifting LLC is a powerlifting gym located in Lombard, Illinois;
  6. Website services: Webmaster and Web-Editor-in-Chief services.  Present clients include:

Authors may contact us through our Authors Page with questions about submitting manuscripts.

For a list of books and materials, please view our ‘Published‘ section and for free papers, etc., please visit the ‘Archives.’

MotorDoc LLC is recognized by the Society for Maintenance and Reliability Professionals (SMRP) as an approved provider of continuing education and training aligned with key subject areas related to reliability and physical asset management.



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