Diesel Generator Sets for Sale 200kW to 3,000kW 60Hz. Used. 50MW Natural Gas CoGeneration Power Plant for Sale. 50Hz. 56MW GE Frame 6001 Combined Cycle Power Plant for Sale. 60Hz., Natural Gas Fuel. For Sale A complete operating plant for sale as an operating or for moving to a new site. LM2500 Gas Turbine and Power Turbines for sale.