... cooled water cooled diesel genset 3..Reliable performance, warranty:1 year open diesel generator set:GensetGenset powerengineDiesel engine ... 8hrs operation base tank9) open, silent, trailer, weather proof canopy are optional.Engine:1) 4,6,12 stroke2) closed ... spare parts for gen set maintenance.Manufacture standard:ISO8528, ISO1105, ISO3046,ISO9001:2000, CE, CCC, GB/T2820, open diesel generator set