IMMEDIATE AVAILABILITY! Expedited Shipping - US & Canada 877-866-6895 WE BUY & SELL INDUSTRIAL GENERATORS Established 1981 HOME INVENTORY WE BUY GENERATORS SERVICES TOOLS & INFO ARTICLES SHIPPING CONTACT ABOUT BLOG RESIDENTIAL GENERATORS We have two locations (Colorado and Florida) - now hiring technicians for both! VIEW NOW Previous Next FEATURED GENERATORS: Cummins 2000KW DETAILS Caterpillar 1500KW DETAILS Cummins 1250KW DETAILS Cummins 1500KW DETAILS New and Used Diesel Industrial Generators Providing Industrial Power for Nearly 40 Years Generator Source (formerly Diesel Service & Supply) offers worldwide sales of New, Surplus and Used Diesel Generators, Electric Power Generator Sets, Automatic Transfer Switches, Standby Gensets, and Natural Gas Generators. We buy and sell all major high performance brand name manufacturers, including: Caterpillar, Cummins, Detroit, Kohler, Katolight, MTU, Onan, and Generac. Generator Source has been supplying commercial and industrial diesel powered solutions for over 35 years. To view an updated list of the products we have for sale, browse our extensive Inventory, or use the side navigation, buttons below or pull down menus. 200+ GENERATORS In-Stock & Ready to Ship! VIEW ALL WE BUY USED & Surplus Generators LEARN MORE Our customers in the critical power segments of utilities, telecom, hospital and data center markets, as well as the industrial sectors of construction, agriculture, oil & gas, manufacturing, mining, municaplities, goverment and farm/dairy industries have come to rely on our outstanding selection and service for all their power generation requirements and standby / emergency backup power needs. To see example and articles on all the industries we serve click here. We have a full service shop, staff of certified power generation technicians, multiple load bank testing stations, cranes and forklifts, a 14 acre industrial facility, and we thoroughly check and test all of our products! And, if you don't see what you're looking for on our site, don't worry, call 866-774-1992 or contact us online today. Chances are good we probably have something very similar or can find it for you! Generator Source also provides local generator service options in Southern Wyoming & throughout Colorado. LARGE EQUIPMENT & NEW ARRIVALS: 18 Portable Diesel Generators - 100kW-120kW GET DETAILS 17 Portable Diesel Generators - 33 kW to 57 kW GET DETAILS Colorado Generator Service GET DETAILS Inventory Categories Used Generators New Generators Diesel Generators Natural Gas Gensets Transfer Switches Generator Ends Portable Generators Generator Enclosures Residential Generators Generator Search Manufacturer Asco Baldor Caterpillar Cummins Detroit Doosan Elliott Magnatek Generac Hipower HTW Ingersoll Rand John Deere Katolight Kohler Kubota Magnum Mesa Solutions MTU Multiquip Olympian Onan PowerPro Russelectric SDMO Spectrum Synergy Thomson Technology Volvo Wartsila Whisperwatt Zenith Capacity 10-99Kw 100-249Kw 250-499Kw 500-999Kw 1000-1999Kw 2000-4000Kw Fuel Diesel Liquid Propane Natural Gas We Buy Used & Surplus Generators! Get $$$ for your used power generation equipment Get info here Top Manufacturers Caterpillar Cummins John Deere MTU Kohler Generac SWP Articles and Info Why Use Diesel? New vs. Used Sizing A Generator Types and Uses Tips on Buying Used Glossary of Terms Power Calculators Electrical Formulas Fuel Consumption Amperage Chart Search for: Interested in Used Power Generators? Click Here to View HOME INVENTORY FOR SALE We Buy Gensets CONTACT US Site Map Terms Of Use Newsletter Online Resources Call: 844-295-0422 or 720-990-5640 © Generator Source, LLC 1999-2021. All rights reserved. Located in Brighton, Colorado. 720-903-3035 We buy, sell and ship worldwide! Caterpillar, Cummins, Kohler, MTU OnSite Energy, Generac and all other brand names are trademarks of their individual respective companies.