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

Field Service

Here when you need us: 24/7

Field Service available upon request

When your truck engine goes down, you need someone to rely on. No matter where you are, our highly trained field service technicians are available 24 hours a day, 7 days a week to get you back in business.

Not just Caterpillar®

Our field service technicians service and repair all makes and models of Cat®-powered trucks as well as other popular domestic diesels. We are fully equipped to diagnose the latest technology incorporated in the electronic and emissions controlled engines on the road today.

Getting the job done right the first time

Your time is valuable, and the last thing you want to worry about is fixing the same problem over and over again. That’s why our Patten Cat field service technicians will provide an in-depth Power Analysis Report, thoroughly evaluating your Cat truck engine to ensures that it operates at peak performance all day, every day.

Any make. Any model. We’ll send a tech to you.

If you are in need of immediate service, please do not hesitate to contact our Field Service Shop. Or give us a call at 630-516-4422 for more information.  

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.