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APU generic
APU generic

Auxiliary Power Units

As the largest producer of gas turbine auxiliary power units (APUs), Honeywell powers more than 150 regional, executive, commercial and military applications, including both fixed-wing and rotary-wing. With more than 36,000 in operation today, we strive to customize our aftermarket programs to the aircraft needs and business requirements of each individual customer.  

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Why Honeywell Auxiliary Power Units?


Honeywell time-tested APUs are proven to enhance flight safety and drive superior levels of reliability.


Honeywell can support power requirements from 50 to 1700 equivalent shaft horsepower (SHP).

Mission Readiness

Our military APUs were specifically designed to meet military requirements and ensure mission success.

Meeting Mandates

Our innovative aftermarket programs can be customized to your aircraft needs and business requirements.


Our APUs require less mechanical training and inventory than most other providers in the marketplace.


Our event and usage-based aftermarket programs can improve APU reliability and decrease maintenance costs.

Supported Platforms

Airlines & Cargo

Business Aviation



UAVs & Urban Air Mobility

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The future is what we make it

Our Aerospace experts can customize solutions based on your individual or business needs.