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  • 2021 February 18 14:35

    WinGD updates X72DF dual-fuel engine platform with an offer of four versions

    Marine engine and technology developer WinGD has updated its popular X72DF dual-fuel engine platform with an offer of four versions providing ship design flexibility while helping owners reduce installed power and emissions, according to the company's release.

    The X72DF is the best-selling engine in WinGD’s portfolio and accounted for every low-speed engine ordered for a newbuild LNG carrier in 2020. The X72DF is also applicable on Suezmax tankers, Panamax and sub-Panamax containers and Capesize bulk carriers.

    Alongside baseline design improvements to the platform, an option is now available to optimise lower power output in five and six-cylinder configurations. These new versions are also available with enhanced methane slip reducing X-DF2.0 technology.

    The base version, X72DF-1.1, incorporates the company’s new engine control architecture, WinGD Integrated Control Electronics (WiCE). Several design improvements, focused on enhancing reliability while simplifying production and installation, were made along with the addition of a modular scavenging concept to improve control over combustion and emissions.

    For five and six-cylinder engines, further optimisation is available to improve efficiency at lower power outputs. The X72DF-1.2 features a selected power/speed range with a lower specific fuel consumption. This configuration designed specifically for ships like the LNG Carriers will be attractive to owners and shipyards seeking to limit installed power in line with the IMO’s energy efficient design indexes for newbuilds and existing vessels.

    The option of reduced power rating and limited cylinder configuration enables a more compact design, with a shorter thrust section, an optimised gear drive and a smaller fuel supply unit contributing to reduced engine length. This equates to greater flexibility in the engine room and versatility potential for the ship design.

    The new versions are both available as X-DF2.0 upgrades featuring iCER (intelligent control by exhaust recycling) technology. Released in June last year, iCER reduces methane emissions by up to 50% compared with X-DF1.0 engines. The X72DF-2.1 and 2.2 have been specifically tailored for all LNG fueled vessels.

    With improved overall GHG emissions, reduced methane slip and lower gas consumption, the X72DF-2.0s are the most competitive solutions in terms of opex and overall emissions for LNG carriers, Capesize bulkers, Suezmax tankers and 3,000-8,000 TEU container ships.

    All four versions are available for order now. The first delivery is scheduled for April 2022, with delivery of the first iCER-equipped version targeted in the third quarter of that year.

    WinGD in brief

    WinGD (Winterthur Gas & Diesel Ltd.) is a leading developer of two-stroke low-speed gas and diesel engines used for propulsion power in merchant shipping. WinGD sets the industry standard for reliability, safety, efficiency, and environmental sustainability. WinGD provides designs, training and technical support to engine manufacturers, shipbuilders, ship operators and owners worldwide. Headquartered in Winterthur, Switzerland, since its inception as the Sulzer Diesel Engine business in 1893, it carries on the legacy of innovation in design. WinGD is a CSSC Group company.




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