Start Sizing Today

of
Size a Generator
Size with the Three Step Sizer
  • Ideal for smaller projects—up to 25 loads in one to five different load steps
  • Find the size you need with this mobile-friendly tool in three short steps
  • Match sizing output to available inventory units (up to 750 kW diesel generator sets)
  • Ability to save your project for future reference
  • Download configuration specific 2D & 3D drawings

Get Started

of
SpecSizer
Size with SpecSizer
  • Ideal for complex or large projects—no limit on number of loads or steps
  • Provides calculated voltage and frequency dips 
  • Add loads via multiple methods—individually, multiple loads at once, spreadsheet upload
  • Ability to save and share your project with other users
  • Ability to download and create guide specifications 
  • Size stationary and mobile generator sets

Log In to Start Sizing

More About Our Product

industries & applications

We are dedicated to developing a power systems solution that meets your needs, regardless of the application.

Learn More
industries & applications
industries & applications

Custom Power Solutions

Cat experts work with you to design a system that meets your individual power needs.

FIND YOUR SOLUTION
custom power solutions
custom power solutions

Product Support

Get the most from your equipment with outstanding service and support from Caterpillar.

EXPLORE SERVICES
product support
product support

Brochures and Testimonials

We have an Information Library of product literature, white papers, customer stories, and more. Find what you’re looking for.

View library
Tap Into Industry Information
Tap Into Industry Information

Dealer Locator

Your Cat dealer is committed to maximizing your success, helping you get the most out of your operations with site-level solutions, service and support.

Learn More
dealers
dealers

Electric Power Newsletter

Get the latest information on Cat products and industry topics focused on helping you get the most from your investment. 

Sign Up
ep newsletter
ep newsletter

Electric Power News

Read the latest electric power news and articles relating to Cat electric power products by people in the know, on topics that matter to your business.  

Read More
ep news
ep news

For the Latest Webinars and Podcast, Follow Us!