Model RD8910EX Brand FIRMAN AC Frequency 50 Hz Starting Watts 6600 W Running Watts 6000 W Alternator TypeBrush,self exciting, synchronous,2-pole,100% Copper Enamelled Wire Voltage Regulation2 20V Phase Single Phase Engine Type SFE440E, Max 15.0 HP,4-stroke single cylinder, OHV, air cooled DC Output (HP/ KW)12V/8.3A Starting SystemRecoil/Electric FuelPetrol Fuel Tank Capacity 25 L