Diesel Generators for Sale Caterpillar Diesel Gensets Cummins Diesel Generator Set for SaleListed 2/15/2017 12MW Deutz-Natural Gas Co-Generation Plant. Comprised of 3 each 4MW Deutz natural gas engine generators, 400 V, 50Hz. 3 phase. Also included a MWM 4MW steam boiler for hot water production to 85 degrees and a dedicated boiler for ...