Diesel generators 400V / 3000 rpm
Water cooled diesel generators
The water-cooled diesel generators are often preferred when the power which prompted exceeds 5 kW. These water-cooled diesel generators can be much quieter with a soundproof enclosure around it. And when the capacity is more than 5 kW, then the price of diesel is more competitive than gasoline.
Mitropower.com has the water-cooled diesel generators with 1500 rpm and 3000 rpm engine with 1500 rpm motor is quieter, has a longer life and quieter. The advantages of a 3000 rpm motor is that the unit is lighter and more compact.