Exhaust Gas Aftertreatment Systems
Reduce NOx emissions in demanding marine applications
BOS Power provides exhaust gas aftertreatment systems designed to reduce NOx emissions in accordance with IMO Tier III requirements.
The systems are suitable for applications including fast ferries, crew transfer vessels, search and rescue vessels and patrol vessels.
For vessels with limited engine-room space, the lightweight and compact design supports flexible SCR arrangements and efficient use of available space.
Suitable for applications such as
- Fast ferries
- Crew transfer vessels
- Search and rescue vessels
- Patrol vessels

Your Benefits
SCR aftertreatment supports compliance with marine emission requirements while allowing the system to be adapted to available engine-room space.Designed to reduce NOx emissions in accordance with IMO Tier III requirements.
Flexible system configuration allows the SCR installation to be adapted to the vessel and available space.
BOS Power S2000 IMO Tier III
Designed for small engine rooms, the BOS Power S2000 IMO Tier III solution combines a lightweight and compact design with a flexible SCR arrangement that allows efficient use of available space.
The solution includes mtu S2000 M72 engines, a complete SCR system, control cabinet, urea dosing unit and urea tank.
The mtu Series 2000 M72 common rail engines are designed for intermediate-duty applications (1B) and provide strong acceleration characteristics and high torque at low load.
Their compact and powerful design makes the 1B-duty engines particularly suited for fast ferries, SAR vessels, wind farm service vessels and crew transfer vessels.

System includes
- mtu S2000 M72 engines
- SCR system
- Control cabinet
- Urea dosing unit
- Urea tank
mtu S4000 IMO Tier III
The mtu Series 4000 Ironmen is designed to meet IMO II/III and EPA Tier 4 emissions requirements. It combines high performance with a compact design and maintenance-friendly access.
The solution is designed to support reliable operation while helping reduce lifecycle costs.
Key specifications
- IMO II/III and EPA Tier 4 compliant
- Compact, maintenance-friendly design
- Power range: 1119–3220 kW

Discuss your exhaust gas aftertreatment requirements
Tell us about your vessel, engine configuration and emission requirements. Our marine specialists can help you explore the available exhaust gas aftertreatment solutions for your project.
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