One of the many things we love about running a diesel engine is how long it will run. You can pack in a lot of mileage without needing major repair - as long as you take care of the motor and keep ...

Donaldson’s Clean DEF filter is designed to help maintain diesel exhaust fluid quality by removing harmful particulates and preventing plugged dosing valves on the selective catalytic reduction system ...

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, ...

Modern medium- and heavy-duty trucks have sophisticated exhaust aftertreatment systems that can include a diesel oxidation catalyst (DOC), diesel particulate filter (DPF) and selective catalytic ...