While its power is notable, the 6.7L Cummins isn't without problems. The two emission systems, an Exhaust Gas Recirculation (EGR) and Diesel Particulate Filter (DPF), have reportedly required ...

For years, Cummins has produced some of the best diesel ... Introducing DEF to a diesel vehicle's exhaust system — the catalytic converter, specifically — helps start a chemical reaction ...

The Cummins 2017 Single Module aftertreatment ... reduction in weight over current aftertreatment systems. Simple and optimized Diesel Exhaust Fluid (DEF) dosing with the UL2 Urea Dosing System ...