... 3..Reliable performance, warranty:1 year open diesel generator set:GensetGenset powerengineDiesel engine cylinder boreStrokeCompressionalternatorGenset weightGenset ... Insulation: Class H8) 8hrs operation base tank9) open, silent, trailer, weather proof canopy are optional. ... set maintenance.Manufacture standard:ISO8528, ISO1105, ISO3046,ISO9001:2000, CE, CCC, GB/T2820, open diesel generator set