Single Module aftertreatment system combines the Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) systems into a single canister. The Cummins ...

Although Cummins' website still lists ReCon remanufactured DPFs, HDT has learned it is discontinuing them. Photo: Screen capture from Cummins' website Cummins is discontinuing sale of its ReCon ...

The diesel particulate filter (DPF) has continued to improve over its 15-year existence. So have other components of aftertreatment systems (ATS) that help send cleaner exhaust through the DPF.

We appear to be learning from our mistakes in aftertreatment system maintenance, but we still have a way to go before we’re at peace with the things. Strictly speaking, diesel particulate filters, ...

Cummins’ Q-series diesels will meet federal Tier 4-Final and Euro IV limits in 2014 with exhaust aftertreatment systems. The QSL9, with up to 400 horsepower, gets a Cummins Compact Catalyst and ...

General Motors has been hard at work developing an aftertreatment system that incorporates an electrically heated diesel particulate filter. According to GM, this technology promises to cut the “fuel ...

You may recall when the EPA mandated that, starting in 2007, all new on-highway diesel engines must limit the emission of particulate matter. To comply with this regulation, equipment makers ...