Page 32: of Maritime Reporter Magazine (May 2015)

The Marine Propulsion Edition

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CAT’s New Dual Fuel Engine

M 46 DFM 46 DF

BY PETER POSPIECH t the beginning of 2015 the gas to diesel mode during operation, the the Caterpillar Marine’s market to large engine is designed on the basis of our exhaust limit values for sul- new engine range offers the ? exibility to vessels such as ferries, cruise ships, very successful M 43 C medium speed fur oxides (SOx) grew ever operate vessels reliably in all geographi- tankers, offshore vessels, dredgers, large engine, with the aim to meet and exceed

Atighter in emission con- cal areas, whether the fuel in use is gas, tugboats that will be particularly affected the M 43 C reliability and life-time ex- trolled areas. And with the start of 2016, marine diesel oil (MDO) or heavy fuel by new edicts in designated ECAs. The pectations, while maintaining its class nitrogen oxides (NOx) values in certain (HFO). In gas mode, the M 46 DF fea- design enables shipowners to satisfy leading position regarding operational emission control areas (ECAs) will be tures industry-leading fuel consumption future, tougher emissions legislations ef? ciency and durability. Applying the even more restricted. Dual fuel engines and will comply with IMO Tier III as without having to ? t exhaust after-treat- same design philosophies, the M 46 DF such as the newly developed MaK M well as EPA Tier 4 regulations. ment plants. will share the same footprint with the M 46 DF from Caterpillar help to support As Hartmut Bartel, head of New Prod- 43 C providing the opportunity to retro? t the drive for cleaner emissions in the The M 46 DF uct Introduction at Caterpillar Motoren M 43 C engines, which we already have maritime sector. Able to alternate from The new M 46 DF range will expand GmbH, Kiel, explained: “This M 46 DF proved on a LNG carrier in a single main

The M 46 DF engine, ready for shipment.

32 Maritime Reporter & Engineering News • MAY 2015

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First published in 1881 Maritime Reporter is the world's largest audited circulation publication serving the global maritime industry.