We are offering gas engines. 18v34sg wartsila natural gas engines for sale 1) 18v34sg is about 6 mwe and 2) 12v34sg approximately 4 mwe frequency: 50 hz ,year built 2004. 18v34sg wartsila natural gas engines power 5.8 mw each unit readily available for sale. 4 x 20v34sg wartsila make gas engines power plant for sale. W16v34sg wartsila gas power plant is about 12.5 mw 50 hz ,year pf built 2010, in good operating condition for sale.