1) Generator powered by Perkins engine 2) Low noise, Low fuel consumption 3) Warranty: ... modulesAllows complete control, easy connecting, ease of operationA full set of manuals: Install manual, Operation manual, the spare ... 50%, 75%, 100% and 110%Good quality ensure powered by Perkins engines, low noise, and low fuel comsumption ... ,Outdoor Prime Power, etc. 20KVA Soundproofed Diesel Generator Set