... cooled diesel genset 3..Reliable performance, warranty:1 year open diesel generator set:GensetGenset powerengineDiesel engine cylinder boreStrokeCompressionalternatorGenset weightGenset ... Protection:IP237) Insulation: Class H8) 8hrs operation base tank9) open, silent, trailer, weather proof canopy are optional.Engine:1) ... , ISO1105, ISO3046,ISO9001:2000, CE, CCC, GB/T2820, open diesel generator set