... Cummins(Chinese)2.Alternator:Leroy Some,Stamford or Marathon3.Rated Voltage:50Hz:400/230V, 60Hz:480/277V4.voltage available: 50hz:200/115,220/127,220/110 ... ,230/115,240/120,380/220 ... ,400/230,415/240(200v--690v)60hz:480//277,440/254,220/127,240/ ...