... : 20KW2. General datas: 230 / 400V AC, 50Hz / 60Hz, 0.8pF three-phase and four wires3. Model of coolent : Water-cooled4. Operation time ... ,the oil pulls down, over speed, over load and over current b) Operation display: i) Unit voltage, tri-phase load current and ... Trailer.14)Packing: Firm wooden case/Plywood case GF3-20 ultra silent electric diesel generator set