Hyundai develops cleaner four-stroke engine

The CLEAN four-stroke HiMSEN engine is said to improve power output by 20% and fuel efficiency up to 2% The CLEAN four-stroke HiMSEN engine is said to improve power output by 20% and fuel efficiency up to 2%

Hyundai Heavy Industries (HHI) has completed type approval testing for its next generation CLEAN HiMSEN (Hi-Touch Marine and Stationary Engine).

The CLEAN (Customer, Liability, Environment, Acceptable Technology, No Defect) four-stroke HiMSEN engine (Model H21C) is said to improve power output by 20% and fuel efficiency up to 2% compared to the existing same class four-stroke engines, H21/32.

“Our next-generation CLEAN HiMSEN engine is the culmination of our 40 years of technological know-hows and experiences. With the customer-oriented engineering, the high-output and high-efficiency engine will surely bring mutual benefits to HHI and its valued customers,” said Youn Joong-geun, executive vice president, engine and machinery division, HHI.

The IMO Tier III-compliant engine also emits 98% less NOx with the attachment of HHI’s proprietary Hyundai Selective Catalytic Reduction technology, NoNOx, and is 10% smaller and lighter than other models thanks to high pressure combustion technology.

HiMSEN, the world’s most selling medium-speed marine engine, was developed by HHI in 2001. Since then, HHI has exported about 10,000 HiMSEN engines accounting for 21% global market share.

The type approval test was completed in the presence of eight major classification societies including ABS, DNV/GL, LR and KR.

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