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Cat® SpecSizer: Generator Sets Sizing Application

Cat® SpecSizer – The official generator sizing application from Caterpillar

With Cat® SpecSizer, selecting the correct generator set for your facility has never been easier.

Taking account of your unique installation requirements, our intuitive interface allows you to easily build your load profile and select the optimum generator set. Cat SpecSizer features include: 

  • Drag and drop loads to quickly model your facility
  • Easily organize and sort project files with improved interface
  • Leverage advanced sizing algorithms to calculate the best fit-for-purpose generator set
  • Generate full sizing report, complete with technical data and drawings
  • Easy file sharing to facilitate collaboration with Caterpillar experts

Prefer to explore your options first? Visit our suite of generator sizing calculators for a broader look at our sizing tools before diving into Cat SpecSizer.

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Electric Power SpecSizer program.
Electric Power SpecSizer program.
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Latest Updates

Enhancements added allowing you to download BIM models directly from the SpecSizer platform

Generator set technical data, specification sheets, and drawings – all now available for download

Easily organize and sort project sizings with a new interactive, modern design that now enables file sharing to facilitate collaboration with Caterpillar experts

Any size or shape. In any regulatory environment.
When you need power, Caterpillar is equal to the challenge.

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