Automatic Standby Generator Fuel Type Diesel Engine Cooling Liquid Phase Single Rated Voltage 120/240V AC Running Wattage - Natural Gas (NG) Not Applicable Running Wattage - Diesel 20 kW Rated Current @ 240V AC - Natural Gas (NG) Not Applicable Rated Current @ 240V AC - Diesel 83 A Transfer Switch Included No Transfer Switch Current Rating Not Applicable Service Rated Transfer Switch No CARB Compliant Yes Overall Length 81 in Overall Width 31 in Overall Height 50 in