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卡特彼勒船舶動力系統(tǒng)已經(jīng)開發(fā)出一種新的船用雙燃料發(fā)動機平臺的商業(yè)海洋市場的MAK™M 34 DF。發(fā)動機擁有的額定功率為500千瓦，每缸720和750​​轉，柴油和天然氣模式，作為M 32 C系列發(fā)動機將共享相同的足跡。M 34（DF）將能夠使用天然氣作為一種替代船用柴油或大型和復雜的洗滌裝置排放控制區(qū)（ECA）運費。預計為2014年10月第一臺發(fā)動機交付。

“我們很高興能夠繼續(xù)我們的承諾，提供商業(yè)海洋市場帶來創(chuàng)新，高效的解決方案，”說，麥產(chǎn)品定義經(jīng)理卡斯滕·西伯格。“我們的客戶想要省油，持續(xù)推進產(chǎn)品運營靈活性IMO和EPA穩(wěn)壓水域的，我們的目標是超越他們的期望與M 34 DF發(fā)動機。”

即將到來的燃油中的硫和氮氧化物法規(guī)經(jīng)委會的帶動下，將提供M 34 DF的靈活性，監(jiān)管及/或較小的管制區(qū)域作業(yè)的漁船到機房或廢氣系統(tǒng)沒有大的變化，配套發(fā)動機安裝的易用性和簡單性，認證。雖然設計用于液化天然氣（LNG），船用柴油和重油的無限操作，M 34 DF氣模將達到業(yè)界領先的效率。

“這是我們重要的DF，M 34和M 32 C共享相同的足跡功能，在同一個系統(tǒng)接口。M 34（DF）旨在為運營商提供業(yè)界領先的熱效率最低的總運營成本，“說，麥產(chǎn)品定義經(jīng)理德特勒夫Kirste。該引擎提供優(yōu)化的負載響應，負載穩(wěn)定度，除了眾多的支持功能，如遠程監(jiān)控和發(fā)動機系統(tǒng)的診斷，幫助引擎運營商與他們的日常維修和維護工作。我們的目標是保持典型的MaK船用發(fā)動機的屬性，如可靠性，安全性和效率，同時努力的發(fā)動機設計，易于維修和維護。“

發(fā)動機缸徑為340毫米和460中風，被設計成氣體的電氣和機械推進系統(tǒng)的應用，尤其是在海上和貨運分部的首選。發(fā)動機的設計提供新的實時燃燒監(jiān)測，柔性凸輪軸技術功能以及較低的氣門和一些創(chuàng)新的監(jiān)測和組件的解決方案，以確保最大的安全，在操作過程中。

新麥雙燃料發(fā)動機，，卡特彼勒將提供服務和支持，包括安裝和應用，系統(tǒng)集成的支持，再加上客戶和船員培訓。M 34（DF）將在德國羅斯托克通客戶驗收測試和分級審批，并通過麥卡特彼勒經(jīng)銷商網(wǎng)絡將被出售。

去年12月，卡特彼勒船舶解釋其擴展LNG產(chǎn)品線最終將提供客戶更容易，更昂貴的安裝引擎，也將提供具有成本效益的改造方案，在現(xiàn)有船舶的發(fā)動機。狀態(tài)監(jiān)測將用于船用發(fā)動機提供無論他們在哪里工作，提供系統(tǒng)的簡單，方便的服務和維護。

Caterpillar Marine Power Systems has developed a new marine dual-fuel engine platform for the commercial marine market, the MaK™ M 34 DF. The engine boasts a power rating of 500 kW per cylinder at 720 and 750 rpm in diesel and gas modes, and will share the same footprint as the M 32 C engine series. The M 34 DF will be capable of running on natural gas as an alternative to marine diesel oil or large and complex scrubber installations for shipping in Emission Control Areas (ECA). First engine deliveries are foreseen for October 2014.

“We’re pleased to continue to deliver on our commitment to bring innovative, efficient solutions to the commercial marine market,” said Carsten Seeburg, MaK product definition manager. “Our customers want a fuel-efficient, sustainable propulsion product with operational flexibility for both IMO and EPA regulated waters and we’re aiming to exceed their expectations with the M 34 DF engine.”

Driven by upcoming fuel sulfur and NOx regulations in ECA, the M 34 DF will provide flexibility for vessels operating in regulated and/or lesser regulated areas without major changes to the engine room or exhaust gas system, supporting the ease and simplicity of engine installation and certification.  Although designed for unlimited operation on LNG, marine diesel oil and heavy fuel oil, the M 34 DF will reach industry- leading efficiency in gas mode.

“It was important for us that M 34 DF and M 32 C share the same footprint features, and the same system interfaces. The M 34 DF was designed to provide operators with industry-leading thermal efficiency for lowest total cost of operation,” said Detlef Kirste, MaK product definition manager. “The engine offers optimized load response and load stability in addition to numerous support features, such as remote monitoring and engine system diagnostics, helping engine operators with their daily service and maintenance work. Our target was to keep the typical MaK marine engine attributes like reliability, safety and efficiency while striving for an engine design that is easy to service and maintain.”

With a bore of 340 millimeters and stroke of 460, the engine was designed to be the preferred choice for gas electrical and mechanical propulsion applications notably in the offshore and cargo segments. The engine design features new real-time combustion monitoring, Flexible Camshaft Technology functionality as well as a lower valve train and several innovative monitoring and component solutions to ensure maximum safety during operation.

Caterpillar will offer service and support for the new MaK dual fuel engine, including installation and application, system integration support, plus customer and crew training. The M 34 DF will be pass customer acceptance tests and classification approvals in Rostock, Germany and will be sold through Caterpillar’s MaK dealer network.

Last December, Caterpillar Marine explained its extended LNG product line will ultimately provide customers with engines that are easier and less expensive to install, and will also offer a cost-effective retrofit option for engines in existing ships. Condition monitoring will be offered for shipboard engines no matter where they are operating, providing system simplicity for easier service and maintenance.