Engine family grows

Nov. 1, 2005
After more than a year of speculation, Volvo Trucks North America (VTNA) has announced that its new family of Volvo diesel engines will be offered in 11- and 13-liter models, in addition to the 16-liter Volvo D16 introduced earlier this year. The engines will be shown early next year and begin full production in time to meet the next round of EPA emission standards, which take effect in January 2007.

After more than a year of speculation, Volvo Trucks North America (VTNA) has announced that its new family of Volvo diesel engines will be offered in 11- and 13-liter models, in addition to the 16-liter Volvo D16 introduced earlier this year. The engines will be shown early next year and begin full production in time to meet the next round of EPA emission standards, which take effect in January 2007.

The engines will use high-performance exhaust gas recirculation technology as the primary NOx emissions control and a diesel particulate filter to comply with EPA's 2007 emissions rule. VTNA pointed out that it has installed EGR systems in its current D12 Volvo diesel to meet less stringent EPA '02 requirements.

“Volvo engines for 2007 will simply use a higher rate of EGR to achieve the lower NOx emissions,” according to Sten-Ake Aronsson, senior vp of Volvo Powertrain NA.

Other emissions-related design elements:

  • Advanced, high-pressure fuel injection with multiple injections per stroke

  • Increased peak cylinder pressures

  • Single-stage variable geometry turbocharger

  • Reinforced base engine components to handle internal loads

  • High-capacity cooling system integrated into truck design

  • Advanced centrifugal crankcase ventilation

Aronsson said that the new engines will offer fuel economy equal to the company's current diesels even though the ultra-low-sulfur diesel fuel required for '07 contains “1.5% less energy than current diesel.”

The engines will be built at the Volvo's Hagerstown, MD, plant.
www.volvotrucks.us.com

About the Author

Wendy Leavitt

Wendy Leavitt joined Fleet Owner in 1998 after serving as editor-in-chief of Trucking Technology magazine for four years.

She began her career in the trucking industry at Kenworth Truck Company in Kirkland, WA where she spent 16 years—the first five years as safety and compliance manager in the engineering department and more than a decade as the company’s manager of advertising and public relations. She has also worked as a book editor, guided authors through the self-publishing process and operated her own marketing and public relations business.

Wendy has a Masters Degree in English and Art History from Western Washington University, where, as a graduate student, she also taught writing.  

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