... ×1900GF2-600600550P222LE-S-II649/5911212814214.6:1DLM354F40003400×1430×1900Gen set feature: 1) Output range: from 22kW up to ... series4) Alternator: Stamford, Marathon, Leroy Somer are optional.5) Frequency:50/60HZ6) Protection:IP237) Insulation: Class H8) 8hrs operation ... After expiration, we supply cost spare parts for gen set maintenance.Manufacture standard:ISO8528, ISO1105, ISO3046,ISO9001:2000, CE ...