New Wärtsilä engine for Terntank tankers

02 Dec 2013
The engine will provide capital expenditure (CAPEX) savings of between 15% and 20%

The engine will provide capital expenditure (CAPEX) savings of between 15% and 20%

Wärtsilä is to supply its new two-stroke, low pressure, dual-fuel engine for Denmark’s Terntank Rederi AS, which will mark the first installation of the engine.

The newly introduced RT-flex50DF engine will be installed on two new 15,000 tonne tankers, providing economic and environmental benefits.

"These newbuild tankers will be among the world's most environmentally sustainable ships, and we are very proud of this. With the Wärtsilä engine technology they are Tier III compliant in gas mode, which of course means that we can operate in the Baltic Sea ECA without restrictions,” said Tryggve Möller, board member, Terntank Rederi.

Wärtsilä says the engine will provide capital expenditure (CAPEX) savings of between 15% and 20% compared to other two-stroke gas engine technologies currently on the market.

“Conventional product tankers of this size have an average bunker consumption of 22 to 25 tonnes a day. With these newbuilds we expect daily bunker consumption of just 14 tonnes," added Mr Möller.

This is possible because no exhaust gas cleaning systems are needed and the LNG gas handling system is considerably simpler and lower cost since only low pressure gas compression is required.

Wärtsilä’s technology also allows stable operation on gas across the entire load range, meaning at low loads, there’s no need to switch to diesel.

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