... electronic governor, don't parallel connection),cold start aid, water temperature and oil pressure sensor, certificate, service handbook, user's book, ... series ,4) Water-cooled, 5) 8hrs operation base tank ,6) Key start / auto start ,7) Sound-proof / weather-proof canopy is optional ... ,8) 230 / 400V AC, 50Hz / 60Hz, 0.8pF three-phase and four wires ...