The gen-sets for land based on marine application with the power range between 10kW and 2000kW can be divided into different types for commonly or mutely use, or with the open or the box structure. They can be used as stationary or mobile power supply, which have many advantages such as compacted volume, light weight, light vibration, low noise, high efficiency, long service life, reliable performance and stable output voltage, etc. They are the ideal power stations for medical treatment, communications, offices, offices, industrial and mining enterprises, open working sites, construction engineering and all kinds of vessels.