Welcome to Willis Power Systems
Engineering New and Better Solutions for Trucks
The Willis auxiliary power unit (APU) was one of the first of its kind, originating from the aircraft industry almost 30 years ago. Willis Power Systems brings the efficiencies and comfort of aerospace technology to the trucking industry by engineering an APU to specifically meet the needs of fleets and operators alike.
Click here to view customer testimonials.
WPS Quick Links
is our latest product design that is offered as an economical option to drivers who are concerned about cost. A faster installation time, smaller engine, and standard performance makes this a great APU to own. Click here
to learn more!
Find us on Facebook