First dual-fuel MaK engine goes to AIDA cruise ship

The first MaK M 46 DF leaves the factory The first MaK M 46 DF leaves the factory

Caterpillar Marine Power Systems has shipped its first MaK M 46 DF dual fuel marine engine to Mitsubishi Heavy Industries in Japan.

The engine will power a new cruise ship for Germany’s AIDA cruises, alongside three conventionally-fuelled 12 M 43 C engines. The engine left the MaK Rostock factory en route to MHI in Japan. Upon arrival, it will immediately be placed in the ship’s hull.

Able to alternate from gas to diesel mode during operation, the M 46 DF is said to offersthe flexibility to operate vessels reliably in all geographical areas, whether the fuel in use is gas, marine diesel oil (MDO) or heavy fuel oil (HFO). In gas mode, the M 46 DF claims industry-leading fuel consumption and compliance with IMO Tier III and EPA Tier 4 limits. The gas system has been designed to allow retrofitting of current M 43 C engines.

With a bore of 460mm and stroke of 610mm the M 46 DF is intended for electric drive propulsion systems as well as mechanical propulsion systems.

“We’re pleased to deliver our first dual fuel marine product to AIDA cruise lines, a longtime collaborator and partner” said Detlef Kirste, Caterpillar Marine Power Systems senior product definition engineer. “The M 46 DF will provide AIDA with superior performance and operational flexibility without sacrificing power or reliability.”


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