1)air cooled,OHV,four stroke 2)open frame,single phase 3) light weight,battery 4) CE,EPA 5)450w to 6kw available Air-cooled Portable Gasoline Generator 10hpDetailed Product Description100 ... generator has features as following:1.One cylinder,2 stroke/4 strock,air-cooled gasoline engine,recoil starting/electric stating system2.Compact and portable power for Emergency and Home ...