Hartridge Ltd Blog

3 Differences between DOC, DPF, and SCR filters

Posted by Becca Knight on August 09, 2017

It has been said that necessity is the mother of invention and modern compression ignition engines are such an example of remarkable engineering. In order to achieve their necessary power and performance every facet of each component is in finely tuned balance. Further development arose thanks to the necessity to comply with emissions standards, and several techniques to cater to this requirement emerged. But why do we have more than one filter in the exhaust system and what are their differences?

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Topics: DPF cleaning, DPF 300 Master Series, identifying filters, diesel powertrain, diesel emissions, diesel aftertreatment system, DOC filters, DPF filters, SCR catalysts

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