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

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Heavy Equipment & Power Generation Solutions for the Northern IL, Chicagoland and Northwest Indiana Areas

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Patten Industries, Inc. (Patten Cat) is the authorized Caterpillar® dealer for 17 Counties of Northern Illinois and 2 Counties in Northwest Indiana. Our goal is to provide you with premium products and solutions at a great value in order to make you successful and maximize your uptime. Patten Cat is headquartered on a 20-acre campus in Elmhurst, IL, with branch locations in Joliet, Oglesby and Rockford, IL as well as Hammond, IN. Our four divisions, Patten Construction Products, Patten Power Systems, Patten Truck Centers and Great Lakes Equipment Co. offer support for over 20 different industries including: general construction, heavy construction, power generation, on-highway trucks, paving, landscape, agriculture, demolition & scrap, forestry, government/defense, marine, mining, oil & gas, pipeline, quarry & aggregates and waste. Patten CAT has used construction machinery for sale that meets the highest standards of quality, reliability and value. As an authorized Caterpillar dealer with locations across the state, we are continually adding well-maintained, low hour used Cat® heavy equipment to our inventory so you are sure to find the machines you need to maintain efficient production.