Colombo Dockyard won the order for the 150-bp ships from an undisclosed buyer in August.

Wartsila will equip the ships with a 9-cylinder Wartsila 32 engine operating on marine diesel oil and will also provide controllable pitch propeller systems and tunnel thrusters.

There is an option for two more identical vessels to be exercised by the beginning of 2015.

Sanjay Verma, area sales director of Wartsila Ship Power, said: “Our total solution offering, encompassing both ship design and an integrated propulsion system was a key factor in the award of this important contract.

“Our