Detroit Diesel unveils 2007 Series 60 heavy-duty diesel engine

| 3/24/2006

Detroit Diesel Corp. launched its redeveloped Series 60, MBE 4000 and MBE 900 diesel engines to the world while proclaiming readiness for EPA '07 emission standards at the Mid-America Trucking Show in Louisville, KY, this week.

"We're definitely ready for EPA '07," Carsten Reinhardt, president and CEO of Detroit Diesel Corporation, said at the show. "We have been working on not just meeting the new emissions standards, but enhancing our three engines set to launch next January. We also have our service, technical support and manufacturing teams ready to support the engines."

With close to 900,000 in operation today, the engine's advanced fuel system, next generation electronics and aftertreatment system will meet the new emissions standards, without impacting fuel economy or engine performance.

Here's a look at some of the enhancements that have been added to the 2007 Series 60:

Reduced exhaust emissions - The 2007 Series 60 is equipped with an exhaust aftertreatment system that replaces the muffler assembly in the exhaust system. The aftertreatment system dramatically reduces the amount of particulate emissions released into the air. This unit includes a diesel oxidation catalyst and a diesel particulate filter in the exhaust system. During normal operation, exhaust heat and the catalyst work together to oxidize the soot.

Additionally, the engine's exhaust gas recirculation system has been optimized to dramatically cut NOx formation by returning a measured amount of exhaust flow to the cylinders and lower combustion temperatures. The newly designed system features a high-capacity, tube-and-shell EGR cooler that is more rugged than the previous model.

Lower oil consumption with a Monotherm piston - The redeveloped Series 60 also offers lower oil consumption because of the introduction of a new piston design, changes in oil control ring geometry and a smoother bore finish on the cylinder liner.

Improved turbocharger performance - The 2007 Series 60 is equipped with an electronic variable geometry turbocharger that automatically - and precisely - adjusts its boost across the operating range, and delivers quick lift on the low end, where turbo lag would otherwise occur.

New fuel injection system - The new fuel system, which adds to the performance and cleanliness of the engine, includes dual solenoid electronic unit injectors that provide exact fuel metering and enable independent injection pressure control. Additionally, the system features a redesigned harness for more robust performance and greater accessibility, as well as new technology that enhances performance and reduces emissions.

Next generation engine management system - Detroit Diesel's electronic control system, DDEC VI for 2007, employs a more powerful microprocessor, increased memory and enhanced diagnostics. DDEC VI is capable of monitoring and managing all engine functions including the aftertreatment system required for 2007 emissions. DDEC VI is a key part of the strategy to achieve greater operating efficiency, cleaner exhaust emissions and leverages all of its best features from past generations of the system.

"The 2007 Series 60 represents a tremendous amount of investment, design, engineering and manufacturing to bring a solid and highly reliable and durable product to market," said Tim Tindall, director of the EPA '07 Program for Detroit Diesel Corp. "I've been with Detroit Diesel for over 30 years, and this is by far the most extensive program in terms of testing and preparedness that I've seen. We are excited about the redeveloped Series 60 and introducing it for the Class 8 market for EPA '07."

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