Natural Gas Generator 1. air cooled engine , 4 storke 2. Three phase, 4 kva prime power 3. duel use Natural Gas GeneratorMODEL TNGY7500(E)-3TNGY8500( ... TG190F(E)ENGINEEngine Type Air-cooled,4-stroke, gasoline engine,single cylinderDisplacement CC420CCEngine Speed RPM3000360030003600Starting system Recoil or Recoil/Electric ... Size L*W*H mm700*540*580700*540*580 Natural Gas Generator for home use