2-Stroke and 4-Stroke – Page 8

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    First NH3-fuelled X-DF-A engine to be delivered in Q1 2025


    WinGD has stated that it is on track to deliver the first X-DF-A dual fuel engine capable of operating on ammonia by Q1 2025, and expects the first vessel powered by X-DF-A engines to enter service by 2026.

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    First ME-GA engine with individual cylinder control option completes gas trials


    The first low-pressure ME-GA engine to be equipped with a new engine control feature, ‘ME-GA-opti’, has successfully completed LNG gas trials in South Korea, MAN ES has announced.

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    Ground broken on Saudi engine factory


    Makeen, the joint venture formed between HD Korea Shipbuilding & Offshore Engineering Co., Saudi Arabian Industrial Investments (Dussur) and Saudi Arabian Development Co. (SADCO), has broken ground on the construction of a new engine production and service facility in Ras Al-Khair, near Jubail in Saudi Arabia.

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    Groundbreaking First AEngine Test Completed


    MAN Energy Solutions has announced the successful first running of a test engine on ammonia at its Research Centre Copenhagen (RCC). The company reports that the successful combustion was performed on a MAN B&W two-stroke 4T50ME-X type and produced positive results with particularly promising data regarding pilot-oil amount and combustion stability.

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    First ME-GA engine completes gas trials


    The first low-pressure ME-GA engine has successfully completed LNG gas trials in South Korea, MAN ES has announced.

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    Mitsui Augments Engine Production Range


    Ranked among the world’s most prolific manufacturers of large marine engines, Mitsui E&S (MES) produced 136 two-stroke units totalling 2.83m bhp (2.11m kW) under its MAN licence in the past financial year. Affirming market recovery and the resilience of Japanese shipbuilders, the projected output from the company’s Tamano complex for the current year ending 31 March 2024 is up at 2.90m bhp (2.16m kW), consisting of 143 units.

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    MAN ES Uses LGI Strategy For 1st Ammonia Combustion


    MAN Energy Solutions (MAN ES) has successfully started up combustion on a 2-stroke test engine operating on ammonia as fuel using the liquefied gas injection (LGI) combustion strategy, the company confirmed.

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    Digital Twin Designed to Evaluate Multiple Energy Saving Technologies


    The digital twin and data science environment being developed by the SeaTech Consortium for the testing of a dynamic wing and new engine control technology will ultimately pave the way for the testing of other technologies.

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    Rolls-Royce opens new mtu Series 2000 assembly plant


    Rolls-Royce opened a new assembly plant for its mtu Series 2000 engines in Kluftern near Friedrichshafen, Germany on 23 June. The relocation of mtu Series 2000 engines production will free up space for the production of Series 4000 engines in Rolls-Royce’s Plant 2 in Friedrichshafen, once modernisation work is completed. 

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    Wärtsilä to offer digital retrofit solution for engine governor


    Wärtsilä Automation, Navigation and Control Systems (ANCS) is launching an innovative retrofit solution for its marine engine governor system in collaboration with Swedish marine green tech company Qtagg. The solution is designed to extend the lifespan of a ship’s propulsion control system, while simultaneously enhancing the vessel’s overall efficiency.

  • 'Hokuriku Maru' will be used to transport steaming coal from Australia and Indonesia

    NYK confirms order for WinGD VCR technology on DF coal carriers


    Japanese ship owner NYK Line has confirmed that it has selected WinGD’s new variable compression ration (VCR) technology for dual-fuel X62DF engines for two dual-fuel coal carriers. The vessels will be among the first to feature WinGD’s cutting-edge combustion optimisation technology, which is expected to lead to significant fuel efficiency savings in gas mode at part and low load operation and diesel mode across the load range.

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    Stena Line plans series of methanol conversions


    Stena Line plans to convert a number of its vessels to dual-fuel operation, capable of operation on methanol as fuel. While the specific details of the order have not yet been announced, Stena Line has awarded Wärtsilä a contract to carry out and convert some of its vessels to operate on methanol fuel. 

  • HiMSEN LNG-hydrogen engine demo

    Korea Promotes Hydrogen Co-Firing Engine


    South Korea’s first home-grown, mixed-fuel LNG/hydrogen engine has been demonstrated for the first time to potential buyers. The versatile four-stroke design has been jointly developed by HD Hyundai Heavy Industries Engine & Machinery Division (HHI-EMD) and HD KSOE in keeping with decarbonisation goals, and will augment the group’s HiMSEN portfolio.

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    Electrification takes shipping further along its decarbonisation path


    Shipowners are shifting towards hybridised and electrified vessels as they slow down and adopt clean technologies. This takes them further towards full electrification, with many options along the way.

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    Retrofit challenges could hamper timely reduction of emissions


    Class societies are actively collaborating with yards and manufacturers to ensure successful and timely engine retrofit projects, but there are challenges.

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    First MAN 48/60 MeOH retrofit will use low-pressure port fuel injection


    MAN Energy Solutions has confirmed that it will upgrade a 48/60 engine to a 51/60 using a low-pressure injection strategy as its first retrofit of a 4-stroke diesel to dual-fuel MeOH.

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    Maersk to retrofit 11 container vessels to dual-fuel methanol operation


    A.P. Moller – Maersk, the Danish logistics company, has awarded MAN PrimeServ a contract to retrofit the main engines aboard 11 container vessels equipped with MAN B&W 8G95ME-C9.5 prime movers. These will be retrofitted to dual-fuel MAN B&W 8G95ME-LGIM10.5 types capable of operation on fuel-oil/methanol.


    Malaysian Group Looks To Ammonia


    Leading names in the Malaysian maritime sector have forged new global alliances to help drive the development and operation of ammonia-fuelled engines. Through the group’s shipowning and academic entities, MISC Berhad has inked respective and inter-rated collaboration agreements with Swiss-based two-stroke power specialist Winterthur Gas & Diesel (WinGD) and Norwegian classification society DNV.

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    Wärtsilä expands potential for methanol newbuilds and retrofits


    The conversion of one of the engines on the ro-pax vessel Stena Germanica inspired the initial growth of the market for methanol powered vessels, and Wärtsilä continues to expand its engine and service offerings.

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    Arklow Backs Lengthened Dutch Design


    Ireland’s pre-eminent shipowner, Arklow Shipping, has woven another strand of fleet modernisation and development by investing in a new series of Dutch-built, 6,800dwt mini-bulkers.