... history! We can supply 400-1500KW gas generator set. Low speed gas engine with Siemens generator. JAE Heavy Duty Medium Speed (500 ... of efficiency, durability, and reliability. Main Specification for JAE Natural Gas Generator Set Model of GeneratorRated Speed (r/min)Rated Power (kW ... Made Siemens technology alternator, Option: LEROYSOMER(France),Mingyu(China). Natural Gas Generator Set 500-2000KW