Diesel generator with wheels silent,low noisy soundproof with wheels portable and powerful Single-cylinder, 4-stroke, air-cooled, diect-injection.Max.output: 1.9kw/50Hz, 2.2kw/60HzMax.output: 3.3kw/50Hz, 3.6kw/60HzMax.output: 4.6kw/50Hz, 5.0kw/60HzMax.output: 5.5kw/50Hz, 6.0kw/60Hz Diesel Generator(DWD-DG003)