KOHLER Generators 8 kW Generator 8RESV with OnCue Plus Single Phase, LPG|Natural Gas Details 10 kW Generator 10RESV with OnCue Plus Single Phase, LPG|Natural Gas Details 12 kW Generator 12RES Single Phase, Natural Gas|LP Details 12 kW Generator 12RESV with OnCue Plus Single Phase, LPG|Natural Gas Details 14 kW Generator 14RESA Single Phase or Three Phase, Natural Gas|LPG Details 20 kW Generator 20RESC Single Phase or Three Phase, LPG|Natural Gas Details