The SG7000B1 series are the most powerful Dual-Fuel generators on the market powered by a premium Honda GX390 OHV engine with oil alert to prevent engine seizure due to a low oil, Quieter performance, with more power. The SG8400B1 provides reliable, portable power for your home, campsite, or job site. It includes a high quality box frame to keep it well protected and a wheel kit for easy mobility. Using BEC carburetion which so advanced it can increase the lifespan of your engine by 10 times!