Cummins IMO Tier III Solution

Taking Proven Technology To A New Tier.

Regulatory emission standards vary from region to region. This is a challenge for engine manufacturers, ship builders and their customers. Manufacturers are forced to decide between reinventing the wheel in order to meet IMO III standards or making modifications to existing technology in order to meet new regulations.

Cummins is taking our proven dual-tier approach used for IMO II engine technology, adding an established SCR catalyst and giving customers the flexibility to run at IMO III regulated levels when necessary and IMO II levels when permitted. Operators will even have the ability to switch between IMO II and III mid-journey. The ability to “pause” SCR functions minimizes DEF use and the associated costs while maintaining the high level of fuel efficiency that Cummins QSK19, QSK38, QSK50 and QSK60 engines are known to deliver.

Using existing engine and aftertreatment technology provides the utmost reliability while minimizing downtime at a much lower initial cost than competitive solutions. But the benefits of relying on Cummins go much deeper than that.

 

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HIGHLIGHTS

32.5% Or 40% DEF
Cummins IMO III engines are set to run on 32.5% concentration of urea – but if storage space is a concern the operator can flip a switch and use a 40% concentration.

Higher Sulphur Tolerance
The aftertreatment system used with Cummins high-horsepower marine engines doesn’t require low-sulphur fuel. IMO III enforces 1,000 ppm or less, but Cummins engines can run on higher sulfur content fuel when in non-regulated waters.

Lower DEF Consumption
The DEF injection unit uses less DEF than competitive SCR systems, utilizing pressurized air to atomize the urea for better mixing and a more complete chemical reaction.

Keeping Idle Up To Speed
Cummins solution includes an engine idle counter that displays a warning so that engine load can be increased to initiate controlled clean off for accumulated hydrocarbons.

First Fit Or Retrofit
Because of how Cummins solution has been designed, vessels using Cummins IMO II QSK19, QSK38, QSK50 and QSK60 engines can be easily retrofitted to achieve 2 g/kW-hr NOx output levels.

Servicing At Sea
The Cummins SCR aftertreatment system provides easy access for maintenance which can be completed using standard tools and procedures.

Multiple Configurations For Easier Installation
The aftertreatment system has multiple configuration options, so it can be positioned to fit the space claim.

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WHERE EXPERTISE MEETS EXPERIENCE

No one has greater depth of knowledge about meeting emissions challenges than Cummins. We’ve been doing it for decades in almost every industry and type of equipment on earth. Cummins sets the bar through its combination of emissions technology experience and an immense commitment to diesel emissions R&D. We look at each situation from a full 360 degrees, examining all options and considering how they best meet the needs of each unique application. In the case of IMO Tier III regulations, we have optimized our solution for reliability and dependability while providing flexibility that minimizes DEF usage.

EPA: The United States Environmental Protection Agency (EPA) regulates exhaust emissions from Diesel engines installed on U.S. flagged/registered marine vessels.

EU: The Nonroad Mobile Machinery Directive regulates exhaust emissions from diesel engines installed on inland waterway vessels operating in the European Union. The Recreational Craft Directive regulates noise and exhaust emissions from propulsion engines installed on recreational craft operating in the European Union.

IMO: The International Maritime Organization (IMO) regulates exhaust emissions on Diesel engines above 130 kW (174 hp). Engines used exclusively in emergency applications are exempt. IMO Tier III applies only when operating within NOx Emission Control Area. The Tier III regulation is in effect for North America and U.S. Caribbean Sea NOx ECAs for vessels built after January 1, 2016.

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