International selects Tenneco exhaust aftertreatment systems

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Tenneco announced that it was awarded a contract with International Truck and Engine Corp. to supply exhaust aftertreatment systems for its entire line of medium-duty diesel vehicles with International engines, launching in 2007. The contract is Tenneco’s first in North America for diesel emission control technologies for the medium-duty commercial vehicle segment.

“We are pleased to win such a significant contract with International Truck and Engine Corporation,” says Mark P. Frissora, chairman, chief executive officer and president of Lake Forest, Ill.-based Tenneco. “As a leading global supplier of diesel aftertreatment technologies, we’ve taken our best-in-class exhaust technology for light diesel vehicles and applied that same expertise to develop effective solutions for International. We are well-positioned to grow in the commercial vehicle market with our global engineering capabilities and advanced diesel technologies that help customers meet increasingly stringent emissions standards.”

Tenneco says it will provide International’s vehicles with complete exhaust aftertreatment systems, including the diesel particulate filter (DPF) and the diesel oxidation catalyst (DOC). The new exhaust system also features air gap pipe, designed to work together with other components to provide superior thermal efficiency and help improve fuel economy; and a new hanging system that utilizes the expertise from Tenneco’s Clevite Elastomer division.

Tenneco’s latest-generation DPF system was designed using Tenneco’s proprietary computational fluid dynamics and particulate ash modeling Computer Aided Engineering technologies. The DPF not only provides an effective solution, but also has an advanced modular design that allows for easy cleaning and service every 150,000 miles, Tenneco says. This advanced design allows International’s service technicians to remove the DPF from the vehicle in less than 10 minutes, with a simple one-bolt removal system, according to the company.

The development and engineering for International is being done at Tenneco’s engineering center in Grass Lake, Mich., and production will take place at its exhaust manufacturing facility in Seward, Neb.

“We have been actively involved in the diesel particulate filter business since the 1980s in Europe and went into high volume serial production on light vehicles in 2000,” says Frissora. “This win with International continues the growth of Tenneco’s diesel particulate filter business, expected to be over 1.5 million units annually in 2007.”

Tenneco’s first serial production of diesel emission control technologies in the commercial vehicle segment was last year’s launch of the DaimlerChrysler Actros in Europe. According to Tenneco, the Actros represented one of the first applications of integrating selective catalytic reduction and exhaust silencing components in one unit for commercial vehicles. Tenneco says it also is providing diesel aftertreatment technology in North America for Ford Motor Co., General Motors, DaimlerChrysler and others to support the 2007 EPA emissions regulations.