YLG3 SERIES SILENT DIESEL GENERATOR SET(with trailer) output:8kw-800kw frequency:50/60hz voltage:depend on your choice. engine brand:Deutz,Cummins, Perkins, Weichai, Shangchai,Yangdong. alternator brand:copy stamford, copy leroy somar, common brushless ,brush. certification:CE,EPA, others; you can put your own brand,color, and choose ATS, controller syetem.