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


You need dependable generator power.

Do you have a dependable generator power system that manages costs and peak loads? If you don’t, let Patten Cat provide you with a solution.

When your customers can’t turn their lights on, run their appliances, and power their businesses, they don’t care about the reliability of the grid or peak demands – they want power. Give them what they need when you work with Patten Cat generators.

Features that keep you reliable

Patten Cat diesel generator sets are a cost-effective solution to providing reliable power, meeting spikes in demand, and keeping power affordable for your customers.

Powered by Cat® engines, Patten Cat generator sets feature:

The right choice. Every time.

In order to meet the demands of peak loads, you could enter into long-term power purchase agreements to own a block of reserve power. However, this approach can lead to unnecessary base load capacity, driving up costs for you and your customers.

Instead, work with Patten Cat and discover 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 keep your customers up and running.


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.