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The latest line of motorhome engines produced by Cummins Inc. meet the U.S. Environmental Protection Agency (EPA) and California Air Resources Board (CARB) emissions standards for 2007, according to an announcement by the Columbus, Ind.-based company during this week’s National RV Trade Show in Louisville, Ky.
Cummins said its new product line will be certified and compliant for 2007 with only slight modifications from 2006. It will continue using its cooled Exhaust Gas Recirculation (EGR) technology with the addition of exhaust aftertreatment provided by an integrated particulate filter and crankcase ventilation system.
According to Cummins, its filter reduces particulate matter by 90% from current levels while maintaining fuel economy. The crankcase ventilation system features a coalescing filter, which captures and filters crankcase emissions and returns oil directly to the sump. It also eliminates any oil carryover from the engine.
This technology is consistent on all Cummins on-highway diesel engines used in motorhomes throughout North America, including the ISX, ISM, ISL, ISC and ISB engines.
“With 400,000 cooled-EGR engines on the road and over 40 billion miles of experience, we are confident in the customer advantages provided by our 2007 engines and emissions solution,” said Mark Conover, Cummins director-RV business. “Our 2007 field-testing has been very successful. Field tests have been jointly conducted with OEMs and end customers, so we are able to validate performance of the entire system in real-world conditions. “
Cummins said its readiness for 2007 includes its distribution system for the entire RV engine product line, including all Coach Care facilities, which are dedicated to the maintenance and repair of RVs. Training and preparation for the Cummins-authorized OEM dealer network are also underway.