A 20-cylinder version of Waertsilae's 46F medium-speed engine was recently launched, and is said to have low operating cost and emission levels. It develops 23,000kW at 600rev/min, and offers more power than the existing 18-cylinder version, while maintaining high energy efficiency.rnThe 46F is claimed to be environmentally friendly, with NOx emissions down to 710ppm. The complete diesel genset is 21m long, with an extreme width of 6.275m, and a height of 6.2m above the underside of the baseframe, and has a total weight of 413tonnes.
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