Gas generator set We use the china brand engine and alternator.It is famous in China market. Price List & Specifications on Cummins Natural GasGenerator Set(M550CN with Prime Power 500kw, Standby 550kw, Continuous Power 410kw, 50Hz) Date: June 14, 2012 Part DescriptionFOB Shanghai Unit Pricein USDMC550N, Natural Gas Generator(3 phase, PF0.8, 50Hz, 1,500 RPM, 400V, Prime power 500kw, Standby power ...