1,Cummins 4B3.9-G1 2,Output: 20KW, AC 3 Phase 3,36A, CE,ISO,CQC ... ,CQC certificate. genset power range: 25-2000kva, alternator power range: 6.5-1760kw. Technical parameters of diesel generator sets:Generator SetGenerator ModelGF20CPrime Power20kwRated Voltage400 ... Months or 1, 200 hours for Alternator Part).Our warranty standard is higher than most manufacturers for about 25%, because we ...