Cummins heavy-duty diesel engine certified by US emission standards
On January 8, 2010, Cummins announced that its series of electronically controlled diesel engines for heavy and medium-duty vehicles has officially passed the 2010 US Environmental Protection Agency (EPA) emission certification. As a result, the 15 liter ISX series of Cummins heavy flagship products and the three main products of ISHP 6.7, ISC8.3, and ISL9 series have all passed the EPA2010 approval, reaching an almost limitless emission level.
The EPA 2010 standard (equivalent to Euro VI), which came into force on January 1, 2010, is the most stringent emission regulation in the world today and requires that the emission of nitrogen oxides (NOx) and particulate matter (PM) be reduced to 0.2 mg/bhp. And 0.01 mg / brake horsepower hours.
“This is Cummins 2010 entry into the terminal market,†said Jim Kelly, CEO of Cummins Engines. “We once again prove to our customers that Cummins has chosen the right technology route. Our Products and technical solutions can meet more stringent energy-saving emission reduction requirements and new standards, which are worthy of customers' trust."
Cummins will meet the near-zero emission EPA 2010 standard by installing an SCR (Selective Catalytic Reduction) aftertreatment system, while significantly improving engine efficiency and durability. According to Kong Zheyi, Cummins can use the SCR technology to provide the highway market with the most fuel-efficient advantages of low-energy engines. It is expected that the fuel efficiency of the EPA 2010 ISX 15-liter engine will increase by more than 5%, and the mid-horsepower engine will increase by 3%.
The Cummins EPA 2010 engine will use a reinforced cooled exhaust gas recirculation system (Cooled EGR) and a variable area turbocharger (VGT) on the basis of the original platform. The ISX15, ISL9 and ISC8.3 series will use the Ultra High Pressure Common Rail Fuel System (XPI HPCR) jointly developed by Cummins and Scania of Sweden. ISB 6.7 will adopt the new generation of high pressure common rail fuel system (HPCR). In Cummins' complete aftertreatment system, the new SCR catalyst will work with Cummins particulate filter (DPF) introduced in 2007. The urea-based Diesel Exhaust Fluid (DEF) will be used in conjunction with the SCR system at an amount equivalent to 2% of diesel consumption and is currently available at most retail locations in the United States and Canada and all Cummins distribution service stations.
With the launch of the Cummins EPA 2010 new engine, Cummins further strengthened the coverage of the road engine market. As the leading force in the Class 8 heavy truck market, the ISX15 will continue to lead the market with 2010 replacement products, and will maintain leading fuel economy as well as greater power and reliability. The horsepower ISB 6.7, ISC 8.3 and ISL9 2010 new product range is even broader, providing reliable power protection for a wide range of medium-sized trucks, large and medium-sized buses, school buses, RVs, municipal fire fighting and emergency vehicles.
In order to better serve the special-purpose vehicles and the LTL logistics freight market, Cummins will subsequently launch another 2010 new product, the ISX 11.9-liter engine, and plans to achieve full-scale mass production by the end of summer 2010.
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