This is a 9000 watt generator powered by a 1 cylinder ,vertical 4 stroke,air cooled  designed gasoline engine. The engine is 16HP/3600rpm and is equipped with a n electric starter for easy starting. Automative voltage regulator.quiet operation only 78 dB .with both 120 V and 240 V out put. Fuel capacity is 6.6gallons with a run time of 10 hours an average load. This is one of the most reliable generators in its class, manufactured by one of the leaders in the industry, and comes with a wheel kit and handle kit so you can lug it around. It is perfect for construction sites, camping, trailers, powering up your house, emergencies, and throwing monster parties.  Approximate Weight is 220pounds.