Kusing Generators - manufacturer since 2007 (10~2750KVA available) prime power: 25KVA/20KW standby power: 27.5KVA/22KW engine: Yangdong YSD490 alternator: Kusing S184G20D8 silent with automatic (ATS) Factory direct sales Warranty 1 year or 1000 working hours whichever expires first