Scania DC09 - SCR System Components Overview

OPM 100 en-GB 28
© Scania CV AB 2023, Sweden
Component identification
SCR system
The illustration provides an overview of SCR
system components.
Applies to the following DC09 engines
EU Stage IV All
EU Stage IIIB All
US Tier 4f All
US Tier 4i All
1. Evaporator
2. Reductant pressure hose
3. Coolant hose for tank and pump heating
4. Coolant valve
5. Reductant return hose
6. Reductant tank
7. Reductant pump and control unit
8. Coolant hose, return from tank and pump heating
9. NO
x
sensors with control unit
1
10. Oxidation catalytic converter
1
11. Exhaust gas temperature sensor
12. SCR catalytic converter
13. NO
x
sensors with control unit
14. Reductant doser
15. Exhaust gas temperature sensor
2
1. Only DC09 084/384/085/385/086/386/387/089/389A.
2. Only US Tier 4f with improved thermal control.