Ten-cylinder, 92-bore X-DF-M, the largest methanol-fueled engine ever built, has gained type approval from eight classification societies.
A new milestone in maritime decarbonization has been reached with the unveiling of WinGD’s ten-cylinder, 92-bore X-DF-M methanol-fueled engine. It is the largest and most powerful engine of its kind to date.
At a recent ceremony at engine builder CMD in Shanghai, China, eight classification societies signed off on the X-DF-M type approval certification, indicating that the engine can be reproduced according to WinGD’s specifications by all authorized engine builders.Weighing approximately 1,953 tons and delivering a maximum power output of 64,500 kilowatts, the methanol-capable engine is described as a “giant heart” for future vessels. According to the Swiss manufacturer, which has been in the engine business since 1893, the unit boasts a 95 percent methanol substitution rate and achieves around a 7.5 percent reduction in CO₂ emissions.This positions it as a compelling solution for shipowners seeking greener propulsion systems and aligns with the growing global trend of exploring alternative fuels.Methanol as a new and emerging marine fuelAccording to estimates, more than 940 million tons of carbon dioxide emissions are emitted through marine transportation. Methanol is increasingly recognized as an attractive low-emission option, especially when derived from renewable sources such as captured carbon and green electricity. Its combustion generates fewer greenhouse gases and produces lower nitrogen oxides and particulate matter levels than traditional marine fuels. These properties have made methanol an emerging focus for shipping companies looking to lower their carbon footprint without compromising reliability or performance.Efforts to deploy the new engine reflect an application-driven push by WinGD to diversify its future product portfolio, which includes established LNG-fueled engines and ammonia-fueled units currently undergoing testing. In the near term, the X-DF-M engine is set to be installed on the fourth vessel in a series of 16,000 TEU container ships under construction for COSCO Shipping Lines at COSCO Shipping Heavy Industry shipyard. Earlier vessels in the lineup have 10X92-B single-fuel engines, which the owners plan to convert to methanol once the X-DF-M enters service.WinGD’s future plans WinGD CEO Dominik Schneiter emphasized the technology’s significance, stating, “As interest in methanol and regulatory clarity increases, we anticipate the X-DF-M platform will become a key contributor to reducing greenhouse gas emissions from global shipping.” A spokesperson from CMD similarly expressed confidence in the engine’s future, noting that “it is a big responsibility to build the first engine of any type, especially one for an emerging fuel with the potential of methanol. Our debut methanol-fuelled engine performed as expected across all tests.”Beyond these high-profile installations, WinGD reports having orders for 56 X-DF-M engines across bore sizes of 52 to 92, mirroring the flexibility and horsepower fields of conventional diesel-fueled X-Engines. Adding a methanol-burning solution supplements WinGD’s established X-DF LNG-fueled lineup and the upcoming X-DF-A ammonia-fueled platform, which is currently in test phases.WinGD’s acquisition by China State Shipbuilding Corporation in 2016 has allowed the Swiss-headquartered company to remain at the forefront of large-engine innovation. With shipowners increasingly seeking to align with evolving environmental standards, the X-DF-M stands as a notable shift toward cleaner maritime propulsion.
Environment Marine Engineering Methanol Engine Shipping Shipping Engine Sustainability
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