Volvo Trucks North America is offering dealer-installed retrofit diesel particulate filters to meet strict new California emissions requirements for in-use vehicles.
The DPFs are designed to work with non-EGR (exhaust gas recirculation) engines sold from 1996 to 2002.

The retrofit DPF is integrated into existing exhaust systems and offered in several sizes based upon engine displacement and horsepower. Each retrofit DPF comes with an installation kit, complete with brackets, engineered for the customer's specific Volvo truck model. Dealer installation is required. The DPFs come with a five-year/150,000-mile warranty.

The DPF uses active regeneration to clear accumulated particulate matter from the unit's filter element. This involves raising the heat of the DPF by injecting a small amount of diesel fuel, typically after 8 to 10 hours of truck operation. The system includes an electronic control unit that constantly monitors the filter element to precisely control PM accumulation and regeneration. Retrofit DPFs using passive and passive/active regeneration technologies are under development for 2002-2006 EGR engines. The retrofit DPF system is manufactured by Huss, LLC, Palm Springs, Calif., a specialist in exhaust aftertreatment for diesel engines.

More info: www.volvotrucks.us.com
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