Patten Power Systems Division Powers Systems Products Patten Power Systems provides a full range of products for the Power Generation, Industrial, Marine and Petroleum markets.  View Powers Systems Products Engineering Services Patten Power System's Engineering group offers industry-leading knowledge and expertise in the diverse and complex power systems applications prevalent in today's market.  Learn More... View Engineering Services Power System Sales Patten Power Systems offers a comprehensive range of electric power generation, industrial, marine and petroleum power products. When you purchase Caterpillar® power products from Patten Power Systems you get a highly qualified team with specific industry experience and on-going training that keeps them current on the latest technology, taking the guesswork out of load sizing and installation. View Power System Sales Power Rental Services Patten Power Systems Rental Department offers turn-key solutions for all of your Power, Compressed Air & Temperature Control needs. With the largest dedicated fleet to the Chicago market, we are where you need us, when you need us for quality dependable service. We offer complete, reliable solutions for manufacturing, entertainment, construction, electric utility, or emergency applications. View Power Rental Services Used Power Systems Patten Power Systems offers quality used power generation and compressed air equipment in a wide variety of sizes and features. Our Used Equipment specialists can work with you to better understand your purchasing criteria to select the best value for your business. View Used Power Systems Power System Parts From A-Z, New, Used or Rebuilt, Patten Industries has the parts you need to get the job done. Cat parts are manufactured to precise specifications and are built for durability, reliability, productivity, less environmental impact, reuse and multiple lives. View Power System Parts Power Systems Service Patten Power Systems... One Partner. Reliable Support. Complete Solutions.  Patten Power Systems provides maintenance and emergency service for Caterpillar and other brand commercial engines and generator sets installed in a wide range of applications. View Power Systems Service Patten Financing How may we help you?  Contact Patten's Credit Department.  Learn about our financing options.  Download our credit application. View Patten Financing Power Systems Specials Patten Power Systems provides complete sales, rental, parts and service for electric power generation (EPG) along with industrial and marine engines.  New offers will be added throughout the year. View Power Systems Specials