Contact us today877.688.6812

Contact us today877.688.6812

After Hours Construction / Truck Service: (800) 952-7767

After Hours Power Service: (877) 891-4181

After Hours Power Rental: (800) 736-8121


Save lives and provide quality care when you use Patten Power

When you are dealing with matters of life and death, count on Patten Power to deliver you dependable and reliable standby power generation for your healthcare facility. We know that in order to deliver quality care, you need life-saving, sophisticated machinery that operates properly without power interruptions all day, every day. When you work with Patten Cat, we provide you with a solution for that need.

Powered by Cat® engines, Patten generator sets feature:

Integrated Systems for your most demanding challenges

Let Patten provide you with a configured system that delivers the right power for your healthcare facility. Our Cat generator sets are supported by Cat uninterruptible power supply (UPS) systems, automatic transfer switches (ATS) and switchgear that are dependable enough to power some of Chicagoland’s largest hospitals.

Not only are our generators some of the most efficient generators in the industry, but all of our Cat generators meet current EU and U.S. EPA emission standards.

Robust reliability and durability supported by Patten

Patten Cat takes pride in being a single source provider for your healthcare facility’s power generation needs. Because we have world-class product support on the backend, you’ll experience what our customers already have:

Contact Patten Cat today, and let us show you how we can deliver the power systems support you need, so that you can continue to provide quality care to your patients.


Powering Edward Hospital

Edward Hospital is using Patten Cat for a customized power generation system that can operate 24/7 with full redundancy for all buildings from one central location.

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Altorfer, Inc. Logo

Altorfer, Inc. is proud to announce the acquisition of Patten Cat effective May 9, 2018. We look forward to supporting all your equipment and product support needs by providing the quality products and excellent service that you have come to expect from the Caterpillar family. Please be aware that the Patten Cat website will close soon and all traffic will be pointed to Thank you for giving us the opportunity to partner together with you for continued success.