Hyundai Doosan Infracore implements the marine engine lineup with the DX12 engine that is positioned in the 500 HP range, competing with Cummins, FPT Industrial, Mercury’s 6.7L, Nanni, Yanmar Marine and Volvo Penta.

Hyundai meets IMO Tier 3 with DX12 engine

According to the Korean company, he first engine manufactured was installed on a Korean ship on September 8. The new DX12 model has displacement of 11.1 liters and produces maximum output of 550 horsepower. Since it is equipped with a common rail system that supplies and injects fuel at high pressure, power and fuel efficiency have been improved by 10% and 5%, respectively, compared to the existing mechanical engines.


Other notable features include the significantly reduced exhaust gas  and compact design of the engine size compared to competitors considering the environment of small and medium-sized ships with narrow engine room. Emission regulations are gradually being more restricted recently in the marine engine markets, mainly in advanced countries, such as Europe and North America. The new marine engine has applied high-efficiency SCR technology that blocks harmful emissions to meet the IMO Tier 3 emission standards for ships. Moreover, it can use biodiesel (HVO) using vegetable oil or eco-friendly fuel produced using gas to liquid (GTL) technology.

About the Selective Reduction Catalyst

SCR: A post-treatment device that selectively reduces nitrogen oxides (NOx) in combustion exhaust gas through catalytic reduction reaction “The DX12 electronic marine engine has world-class product competitiveness in fuel efficiency, durability, and post-processing technology. The launching of this electronic engine will firmly establish Hyundai Doosan Infracore as the leading brand recognized for its technological prowess in advanced overseas markets,” said Lim Hyeog-taek, managing director of  Hyundai Doosan Infracore’s Engine BG. Hyundai Doosan Infracore plans to continue expanding its lineup of eco-friendly, high-efficiency advanced electronic engines in the marine engine market by introducing the DL06 model (6 liters) and DL08 model (8 liters) in the second half of this year. 



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