The move from Tier 3 to Tier 4 Final diesel engines above 74 horsepower brought with it a whole grab bag of new components and systems – diesel particulate filters (DPFs), diesel oxidation catalysts ...

Manufacturers are busy rolling out solutions to meet Final Tier 4 off-road requirements for diesel engine exhaust emissions, and the technologies look very familiar to those already in use in the ...

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 ...

When it comes to reducing the nitrogen oxide (NOx) emissions of diesel-burning commercial vehicles, selective catalytic reduction (SCR) is firmly in place as today’s technology. And these systems are ...

The limits for nitrates in diesel engineemissions defined by international standards are becoming increasinglystrict. Compliance with these limits requires electronic controls forcatalytic converters.