The Eminox CRT® system – Continuously Regenerating Trap
– is Europe’s leading diesel particulate filter. We provide systems
to truck and bus manufacturers for option-fit, as well as
for retrofit to Euro 1, 2, 3, and 4 vehicles. Its excellent performance and
reliability means it is widely used in towns and cities around Europe to help
address air quality issues and improve the quality-of-life of people living
there. With around 50,000 buses and trucks fitted with Eminox CRT®
systems, you can be sure you are making the right choice.
The Eminox CRT® system gives outstanding performance, eliminating
over 90% of all particulate matter, hydrocarbons and carbon monoxide. This
chart shows the typical emissions reduction.

CRT® emissions reduction achieved on Euro 3 Dennis Dart, tested over the MLTB (Millbrook London Transport Bus) Cycle.
We understand the importance of total system performance and work closely with vehicle manufacturers and our customers in the design of each CRT® system. Our commitment to excellence, applications engineering experience and rigorous testing show in products with outstanding performance and reliability in the real world.
To protect the valuable catalyst and filter components and to ensure a long life, the CRT® system is housed in high grade stainless steel.
Download
the Eminox CRT®
System brochure (396 Kb).
How it works | Operating
conditions | System
maintenance
Electronic service
indicator | Filter
service exchange
Diesel Particulate Filter | Glossary
of terms