MAN methanol gensets make market segment debut

New PCTCs will also incorporate MAN’s methanol main engines

MAN Energy Solutions said six small-bore 21/31DF-M methanol burning gensets have been ordered for Pure Car and Truck Carrier (PCTC) newbuilds, a first such application for the engine.

China Merchants Heavy Industry (CMHI) ordered the seven-cylinder gensets in connection with the construction of two 9,300 ceu (car equivalent units) PCTCs for China Merchants Energy Shipping (CMES). MAN Energy Solutions’ licensee, CMP, will build the engines in China with first delivery due in Q1, 2025.

The three 7L21/31DF-M GenSets aboard each of the two vessels will accompany a MAN B&W 7S60ME-LGIM (-Liquid Gas Injection Methanol) main engine previously ordered by CMHI in May 2023. Vessel delivery is set respectively for 2025 and 2026, and the contract includes an option for another four vessels.

“The vehicle-transport sector’s interest in using methanol is at an all-time high driven by the need for expanded capacity – due to robust Chinese car-sales – and emission regulations,” said Bjarne Foldager, head of Two-Stroke Business, MAN Energy Solutions. “Within the PCTC segment, CMES is the first mover to methanol, which we expect will figure prominently as a future fuel across all vessel segments.

MAN Energy Solutions methanol Auxiliary methanol-burning MAN Energy Solutions gensets will make their debut in a Pure Car and Truck Carrier (PCTC). (Image: Man Energy Solutions)

“As happy as we were to initially win the main engines for this exciting project, we are even more satisfied to add these methanol-driven GenSets – their first such sale and one which fits with our aim to increasingly become a supplier of complete decarbonization solutions.”

The 21/31DF-M is based on a simple port fuel-injection concept that is designed to optimize reliability, while simultaneously minimizing capital-outlay time. The foundation for the new L21/31DF-M genset is the same as the existing L21/31 genset, which has accumulated more than 55 million operating hours with thousands of engines in service. Furthermore, the L21/31DF-M power range spans 1000–1980 kW, which makes it suitable for most merchant vessels, the company said.

“The shipping industry is showing an increasing interest in decarbonisation by operating vessels on green methanol, which has spurred us to expand our well-proven, dual-fuel genset portfolio with this small-bore L21/31DF-M engine,” said Thomas S. Hansen, gead of Promotion and Customer Support, MAN Energy Solutions. “The new genset benefits from the high reliability, high performance and fuel flexibility of the 21/31 engine platform, while the possibility to operate on green methanol as a drop-in fuel increases its fuel-flexibility. At the same time, it increases methanol’s potential as an option for GenSet power generation aboard large marine merchant vessels.”

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