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A Better Solution. Every Time (DEF) Brochure

A Better Solution. Every Time (DEF) Brochure

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Introduction to Emissions Regulations: The U.S. Environmental Protection Agency (EPA) Tier 4 Final and European Union (EU) Stage IV emissions regulations are set to take effect between 2014 and 2016. These regulations require near-zero emissions for engines above 75 hp (56 kW), which Cummins achieves using Selective Catalytic Reduction (SCR) technology.

Role of Diesel Exhaust Fluid (DEF): DEF, also known as AdBlue® in Europe, is a key component in SCR systems. It is a water-and-urea solution that helps convert nitrogen oxides (NOx) in exhaust into harmless nitrogen and water vapor. DEF is nonflammable, nontoxic, and consists of 32.5% high-purity industrial urea and 67.5% deionized water.

Storage and Availability: DEF should be stored between 12°F (-11°C) and 86°F (30°C) for a shelf life of about one year. It is available in various packaging options and widely distributed across North America and Europe. DEF can be found at Cummins distributor locations and through online resources.

Quality Assurance: DEF quality is crucial for SCR system performance. It should be certified by the American Petroleum Institute (API), the German Institute for Standardization (DIN 70700), or the International Organization of Standardization (ISO 2224101).

DEF Tank and Consumption: Equipment with SCR systems includes a DEF tank, typically designed to last for two to three diesel tank fill-ups. DEF consumption is about 3% to 5% of diesel fuel used, with a corresponding reduction in diesel consumption.

Cost Efficiency: The improved fuel economy of Cummins Tier 4 Final engines with SCR offsets the cost of DEF, leading to a net reduction in operating costs by approximately 2% to 4% compared to Tier 4 Interim models.

Customer Support: For more information on Cummins Tier 4 Final engines and DEF, customers can visit www.Tier4.info or contact Cummins Care for assistance.

Catalog excerpts

A Better Solution. Every Time (DEF) Brochure-1

A Better Solution. Every Time. ™ Diesel Exhaust Fluid (DEF) For Tier 4 Final/Stage IV Engines With SCR.

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A Better Solution. Every Time (DEF) Brochure-2

U.S. Environmental Protection Agency (EPA) Tier 4 Final and European Union (EU) Stage IV emissions regulations take effect in the 2014-to-2016 time frame, depending on engine power, application and output. To achieve near-zero emissions, Cummins engines above 75 hp (56 kW) use proven Selective Catalytic Reduction (SCR) technology, a solution with the simplicity of a flow-through exhaust aftertreatment system that delivers ultra-low emissions with higher fuel efficiency. The key to SCR efficiency is an aqueous urea solution called Diesel Exhaust Fluid (DEF) that functions as a reactant in the...

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A Better Solution. Every Time (DEF) Brochure-3

Tote/Drum Dispensers DEF Production Vehicle Storage Tank On-Site Storage For Better Quality, Better Check The Label. DEF quality is important for both the proper functioning and the longevity of the SCR system. DEF should display the certification of the American Petroleum Institute (API), the German Institute for Standardization (DIN 70700) or the International Organization of Standardization (ISO 2224101). This will ensure the proper purity and correct concentration of the urea in the DEF. DEF Tank Sizing And Usage. Equipment using SCR aftertreatment comes with a DEF tank that is sized by the...

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A Better Solution. Every Time (DEF) Brochure-4

Cummins Ltd. Yarm Road, Darlington County Durham, DL1 4PW UK Phone: 1-800-DIESELS™ (1-800-343-7357) Fax: 1-800-232-6393 Internet: cumminsengines.com Twitter.com/CumminsEngines YouTube.com/CumminsEngines Bulletin 4087312 Printed in U.S.A. 9/13 ©2013 Cummins Inc.

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