... warranty Our factory Have Cummins, Volvo, Deutz, daewoo, Shangchai, Weichai, Jichai etc brand generator set, and silent/ ... range: 6.5-1760kw. Technical parameters of diesel generator sets:Generator SetGenerator ModelGF20CPrime Power20kwRated Voltage400/220VFrequency50HzPower Factor0.8(lagging) ... Any special voltage is also available as cilent's request.B: Packing & Warranty- Packing: Wooden, Plywood or ...