... volume, light weight, low noise, low fuel consumption8) Optional open type or silent type or weatherproof type9)All generator sets are gone through ... , over-speed, high water temperature, low oil pressure 7)Industrial type silencers, exhaust pipes, flexible exhaust bellows, vibration-damping rubber, lead ... Between0.8~1.0 lag;2)From no load to full load,any steady load;3)Speed droop variation uder4.5 ...