Powerful standby generator uses a powerful Generac OHVI engine with full-pressure lubrication and automotive design to provide up to 20,000 kW of power, enough to provide whole house protection. U.S.A.Engine Generac OHVI Engine Displacement (cc) 990 Rated Watts (kW) 20,000 Amps 200 Enclosure Yes UL Listed UL2200 listing Additional Product Specs * 200 Amp service entrance transfer switch * 990cc Generac OHVI engine * True Power™ technology for safe operation of sensitive electronics * Whisper-Test™ low speed 50% quieter weekly self test * Corrosion-resistant aluminum enclosure * Runs on natural gas or liquid propane, refueling is never an issue * UL2200 listing * External dual GFCI outlet * Easy-to-use control panel with user-friendly LCD digital controls