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We Buy & Sell Industrial Generators

Established 1981

Caterpillar 500KW
MTU 2250KW
Generac 500KW
Cummins 300KW
Providing Industrial Power for 35 Years
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, Onan, and Generac. Diesel Service & Supply 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 navigation to the left or in pull downs above.

To Our Inventory


Surplus Generators

Why Diesel Service and Supply
Our customers in the utilities, telecom, hospital and data center markets, as well as the industrial sectors of construction, agriculture, oil & gas, manufacturing, mining 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.

We have a full service shop, staff of certified technicians, new load bank testing station, a 14 acre industrial facility, and we thouroughly check and test all of our products! And, if you don't see what you're looking for on our site, dont worry, contact us today. Chances are good we probably have something very similar or can find it for you!
Cat C175-20 Generator Set
New Arrivals 19 Cummins Diesel Generators
Colorado Generator Service
Interested in Used Power Generators?