Generator: Continuous Standby Power Rating: 15 KW 60 Hz LP, 13 KW 60 Hz Natural Gas, Rated Voltage: 120/240, Main Line Circuit Breaker: 65 Amp. Engine: Generac OHVI V-Twin Engine, 2 Cylinder, 30 HP (992 CC), 3,600 RPM. Dimensions: 48"L x 24"W x 28-1/4"H. Sound Output in dB(A) at 23 ft. with generator operating at full load: 71.5 dBA. Fuel Consumption: NG (Full Load) 220 cu.ft/hr, (1/2 Load) 156 cu.ft/hr, LP (Full Load) 2.40 gallons/hr, (1/2 Load) 1.58 GPH, Weight: 487 lbs. prewired automatic transfer switch.