Building on its marine engine legacy Caterpillar Motoren designed the M34 DF and M 46 DF for a variety of marine applications without sacrificing the typical MaK marine engine attributes like operational reliability and efficiency as well as serviceability. Designed to meet the stringent conditions of upcoming IMO III emission- and fuel sulphur regulation the M 46 DF will provide maximum flexibility for vessel operating in regulated and/or lesser regulated areas without significant changes to engine room or the exhaust gas system, maintaining installation and certification simplicity at the same time. The low emission footprint paired with high efficiency and reliability make the M34DF and M 46 DF an ideal propulsion engines for operation, in environmental protected areas as well as un regulated waters on HFO fuels.
Based on the successful M 43 C and M34C MaK medium speed engine, Caterpillar Motoren, Kiel designed the Dual Fuel (DF) engine to meet and exceed the diesel engine reliability and lifetime expectations, while maintaining operational efficiency and reliability Applying the same design philosophies, MaK DF engines will share the same footprint with their diesel counterpart. Designed to operate on gaseous- as well as liquid (MDO or HFO) fuels the Mak M34 DF and M46 DF will meet IMO III emission limits while operating in gas mode, injecting a small amount of ignition fuel to control combustion. The M 46 DF will comply with IMO II emissions regulations while operating in diesel mode. (liquid fuels only).
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