The Generac 48kW Generator Protector Diesel Series restores power during an outage for all the conveniences and necessities of modern living and work life. Seconds after an outage hits, the 48kW generator system starts and restores power to the home or business for refrigeration, heating and cooling, office equipment, pumps, and lighting. With a 48kW Generator, your home or business operates as usual through a power outage. An integrated 57-Gallon Tank Provides up to 28 hours of run time. Generac guarantees its Protector Series with a five-year limited warranty.