http://www.marinelink.com/news/first-rt-flex-engine-order-for-hitachi/first-rt-flex-engine-order-for-hitachi313275
First RT-flex Engine Order for Hitachi
Hitachi Zosen was awarded a contract in March 2007 by Wärtsilä Corporation to build four six-cylinder Wärtsilä RT-flex50-B engines…