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

Cat® Field Service

Cat® machines are built to give you unstoppable production in even the most challenging work environments. But even the best equipment can experience a sudden mechanical issue now and then. When an unexpected breakdown occurs on the jobsite, it's good to know that prompt and reliable help from Patten Field Service is just a phone call away.

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We'll Come to You, Whenever and Wherever You Need Us

Our world-class product support includes Cat Field Service in Chicago and throughout Northern Illinois and Northwest Indiana. We will immediately dispatch a fully trained technician to your location to get your machine up and running as quickly as possible to minimize unproductive downtime. Cat field service is available on a 24/7 basis; we can help even if an equipment emergency occurs in the middle of the night.

Cat Field Service Provided by Experienced Technicians

Patten field technicians are the best in the industry and offer an average of 10 years of experience. Our technicians know what makes Cat machines tick, enabling us to get to the root of any mechanical problem quickly. Patten field technicians undergo continuous training throughout the year to keep abreast of the latest equipment developments. All our technicians share our unwavering commitment to providing dependable equipment solutions that deliver a lifetime of value.

The Right Tools to Get the Job Done

Even the best technicians can't get the job done without the proper tools. Every truck in our Cat Field Service fleet is equipped with cutting-edge tooling, essential technical analysis equipment, laptop computers to perform field diagnostic tests, and a wide assortment of parts for all types of Cat machines.

On those rare occasions when we must order a part, our technicians possess the skills to perform a "quick fix" for you to put the machine back in service until the appropriate part arrives. Our field technicians also have instant access to vital resources such as product manuals and updates, technical data, and other timely information to do the job right the first time.

Why Choose Patten for Your Cat Field Service Needs?

When you call upon Patten for Cat Field Service, you get more than highly skilled technicians who are equipped with state-of-the-art tools. You also gain the support of a company that has been serving the heavy equipment needs of construction and material handling operations in the Chicago area for more than 80 years.

Our goal is to find ways to help you be more productive every day while also saving you time and money. If an unexpected equipment failure has you at a standstill, Patten Field Service can have you up and running again in no time.

Patten Cat's Field Service offers a wide range of repair capabilities including:

When repairs require the utilization of our Shop Service, the component will be removed for repair and brought back to your job site for reinstallation.

For more information contact a Patten Cat representative.

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.