... )weifang diesel engine 3)china brushless alternator 4)2 years warranty 5)manufactuer Perkins diesel Generator Set Specification,1),Main Specification,a,3 ... %Frequency Regulation Rate ≤±5% Random Frequency Variation ≤±0.5% 3),Engine Specification, Model1003G,1003TG,1004G,1004TG,1006TAG,1006TG1A,1006TG2ACooing Method Forced water ...