Generator Source offers worldwide sales of New and Used Industrial Diesel Generators, Electric Power Generator Sets, Automatic Transfer Switches, Prime/Standby Gensets, and Natural Gas Generators. We buy and sell 20 kW to 4000 kW gensets and focus on all major high performance manufactures, including: Caterpillar, Cummins, Detroit, Kohler, MTU, Katolight, Onan, Generac, and more. We own what we sell. All our commercial generators are in-stock and ready for immediate shipment!