type: OHV air-cooled,4-stroke ;OHV work capacity: 163cm3 max.output(kw):4.1 ignition system:transistor magneto starting system:recoil fuel tank capacity:15L continuous operating time:13H fuel consumption:1.13(L/hr) noise:65dB AC frequency:50Hz rated AC output:2,000Hz max. AC output:2,200Hz rated voltage:220v dimensions:590x430x435 dry weight:45kg