The Generac RS Series 5500 Portable Generator 6672 features the PowerDial to provide back-up power by putting all the controls at one convenient dial to avoid the search for separate switches in times of an emergency. This generator is durable as it has a 389cc OHV engine with lubrication and large fuel tank and a hardened steel tube cradle. Its engine shuts down automatically when it has less oil to prevent to safeguard engine from damage. Featuring heavy-duty wheels, this generator ensures portability.