EF1600 Specifications Type : Brushless - Single Phase AC Frequency : 60 HZ Maximum AC Output : 1600 Watts Rated AC Output : 1400 Watts Rated AC Current : 11.7 Amps @ 120 Volts Driving Method : Direct ENGINE Type : 4-Stroke, OHV, Air Cooled Rated Horsepower : 4 @ 3,600 rpm Bore x Stroke : 56mm x 50mm Displacement : 123cc Cooling : Forced Air Lubrication : Wet Sump Oil Capacity : 0.63 qt Starting Method : Recoil W/Auto-Compressor Ignition System : Transistor Controlled MISCELLANEOUS Fuel Tank Capacity : 3.2 gal Recommended Fuel : Unleaded Regular Continuous Operating Hours* : 17 Dimensions (L x W x H) : 20.1" x 16.3" x 16.7" Dry Weight : 83.6 lb Noise Level (Maximum @ 23 ft) : 65 dBA