... :Brush Self-excitation 2-pole Single-phaseMax. AC Output (KW):4.5 / 5.0Rated AC Voltage (V):120, 230, 240, 120 ... (Hz):50 / 60Rated AC Output (KW):4.0 / 4.5Power Factor (cosφ):1Type:Forced Air-cooled, 4-storke,OHVBore×Stroke (mm):88×64Fuel ... /40HQ:140/292/292Certificates:CE EPA CE and EPA approved 4.5/5.0KW power generator with Electric start