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Willis Power Systems, LLC
2950 N. Martin Springfield, MO 65803
Toll Free: (800) 825-4631
Phone: (417) 831-2520
FAX: (417) 831-0030

Product Information

The Premium unit is customizable to include additional power supplies such a pneumatic compressor, additional alternator, generator, welding alternator, and more.

The Willie unit is a compact version of the premium with custom installation options. The Willie offers maximum heating and cooling with additional savings. Also available with Shore Power.

The Willie is available in CARB approved propane, natural gas, or standard diesel.

Click here to download a brochure of specifications, comparisons, and additional details.

Premium Willis APU Compact Willie APU

Select from the informational quick links to learn how you can benefit from our auxialary power units, see how we compare to competitors, and learn about our financing options. 


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