Some fleets may need to install an aftermarket diesel particulate filter (DPF) because their EPA 20007 engines are approaching the mileage point at which they need to be replaced or cleaned. Engine and filter makers are offering a variety of options, including remanufactured DPFs and specialized DPF cleaners. Recently, engine manufacturers Volvo, Mack and Detroit Diesel Corp announced availability of factory remanufactured DPF filters for their EPA 2007 engines. Both Volvo Trucks North America and Mack Trucks Inc are using a large-scale reman program that operates out of the Middletown Remanufacturing Center. The program enables customers to simply exchange the used ceramic filter element from their DPF for a clean one when service is required, reducing service time and simplifying emissions control systems maintenance, according to the companies. OE engine makers and some aftermarket suppliers already offer a variety of solutions to make older heavy-duty diesels comply with the 2011 California's Air Resources Board limits.
Clear the air with retrofit DPFs Eric Brothers Fleet Equipment; Mar 2009; 35, 3; Docstoc pg. 42 Reproduced with permission of th
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