... NumberZT182FZT188FZT190FEngine TypeAir Cooled,4 Stroke,OHV Gasoline,Single CylinderAir Cooled,4 Stroke,OHV Gasoline,Single CylinderAir Cooled,4 Stroke,OHV Gasoline,Single CylinderDisplacement ... Output (HP)11HP13HP16HPOperating Noise Level (dB)58dB58dB58dBEngine oil level warning alarmYYYElectric start and BatteryOptionalOptionalOptional 2.color3. air cooled centrifugal water pump gasoline engine ...