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

Resource Library

Resource Library

Are you an engineer in need of technical information and product specs? At the Patten Cat Resource Library, you have access to technical white papers as well as application, installation, and ratings guides for Cat® power generators, automatic transfer switches, UPS, and switchgear.

Installation Considerations

Generator Considerations

ATS, UPS and Switchgear Considerations

Cooperative Purchasing (NJPA) Considerations

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.