MAN Energy Solutions has announced an order for three MAN 6L21/31DF-M (dual fuel-methanol) GenSets for a new 7,990 dwt OMI Type II chemical tanker to support maritime decarbonisation. These engines will play and provide a positive contribution to the decarbonization of maritime transport, operating with methanol as a cleaner and more ecological alternative fuel.
A dual-fuel-methanol engine with efficient propulsion
The MAN 6L21/31DF-M engines will be integrated into a diesel-electric propulsion system on board the ship, driving two fixed-pitch propellers through gearboxes. A battery storage system will optimize the use of dual-fuel generators, ensuring efficient and sustainable operation.
The engines will be built by CMP , an engine manufacturing division of China State Shipbuilding Corporation (CSSC), licensee of MAN Energy Solutions. Delivery of the vessel is scheduled for the fourth quarter of 2025.
The new tanker will operate at the Port of Singapore under contract to deliver marine fuels . The port is drawing up plans to ensure a constant supply of methanol from 2025, meeting the needs of ships fueled with this alternative fuel.
Maritime decarbonization in the port of Singapore
Bjarne Foldager, Country Director of MAN Energy Solutions in Denmark, highlighted the importance of this project for maritime decarbonisation: “Our reliable MAN L21/31 GenSets on these ships, such as a methanol-fueled version, are proof that maritime decarbonization is an alternative to consider for shipowners across all vessel segments and sizes.“.
Thomas S. Hansen, Director of Sales and Promotion at MAN Energy Solutions , emphasized the characteristics of the MAN L21/31DF-M engine: “The MAN L21/31 engine is well established on the market and has accumulated around 2,750 sales. Its reliability and efficiency position it as the preferred medium-speed, small-diameter motor for GenSet and diesel-electric propulsion solutions, meeting market demands to balance both CAPEX and OPEX.“.
A reference engine from the MAN Energy family. Source: MAN Energy Solutions.
The growing interest in methanol as a marine fuel and the increase in orders for methanol-powered ships reflect the importance of this alternative fuel in the shipping industry’s decarbonization strategy.
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Source and photo: MAN Energy Solutions