Automatic Standby Generator Fuel Type Natural Gas/Propane Engine Cooling Liquid Phase Three Rated Voltage 120/240V AC Running Wattage - Natural Gas (NG) 25 kW Running Wattage - Diesel Not Applicable Rated Current @ 240V AC - Natural Gas (NG) 75 A Rated Current @ 240V AC - Diesel Not Applicable Transfer Switch Included No Transfer Switch Current Rating Not Applicable Service Rated Transfer Switch No CARB Compliant No Overall Length 62 3/16 in Overall Width 28 7/8 in