Variant 1
ECU- Catalog engine
- 6800 169HP
- Engine code
- 6068HRT90
- Controller brand
- PHOENIX
- ECU
- L21
- Stock power
- 169 HP
- ECU SW
- SX60569B
- ECU HW
- RE539229
CLAAS · L21 ECU
CLAAS ARION L21 tuning files
Here is what the catalog holds for the CLAAS ARION on the L21. The matched variants sit between 120 and 169 HP from the factory. 10 distinct variants are catalogued here. Stage 1 and Stage 2 are the safe starting points for this platform. Each file is tied to the precise software on your car and checked before it goes out.
Available solutions
Applicable work for the L21 on this vehicle. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
10 distinct variants for the CLAAS ARION on the L21 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 4500 165HP
- Engine code
- 4045HRT90
- Controller brand
- PHOENIX
- ECU
- L21
- Stock power
- 165 HP
- ECU SW
- SW62091C
- ECU HW
- RE551416
Variant 3
ECU- Catalog engine
- 4500 150HP
- Engine code
- 4045HRT90
- Controller brand
- PHOENIX
- ECU
- L21
- Stock power
- 150 HP
- ECU SW
- SW62091C
- ECU HW
- RE551416
Variant 4
ECU- Catalog engine
- 4500 150HP
- Controller brand
- PHOENIX
- ECU
- L21
- Stock power
- 150 HP
Variant 5
ECU- Catalog engine
- 6800 150HP
- Engine code
- 6068HRT90
- Controller brand
- PHOENIX
- ECU
- L21
- Stock power
- 150 HP
- ECU SW
- SW62092C
- ECU HW
- RE559067
Variant 6
ECU- Catalog engine
- 4500 130HP
- Controller brand
- PHOENIX
- ECU
- L21
- Stock power
- 130 HP
Variant 7
ECU- Catalog engine
- 4500 130HP
- Engine code
- 4045HRT90
- Controller brand
- PHOENIX
- ECU
- L21
- Stock power
- 130 HP
- ECU SW
- SW62063D
- ECU HW
- RE543423
Variant 8
ECU- Catalog engine
- 4500 130HP
- Engine code
- 4045HRT90
- Controller brand
- PHOENIX
- ECU
- L21
- Stock power
- 130 HP
- ECU SW
- SW62063C
- ECU HW
- RE558629
Variant 9
ECU- Catalog engine
- 4500 120HP
- Engine code
- 4045HRT90
- Controller brand
- PHOENIX
- ECU
- L21
- Stock power
- 120 HP
- ECU SW
- SW62063C
- ECU HW
- RE543423
Variant 10
ECU- Catalog engine
- 4500 120HP
- Engine code
- 4045HRT90
- Controller brand
- PHOENIX
- ECU
- L21
- Stock power
- 120 HP
- ECU SW
- SW62063E
- ECU HW
- RE551416
Related vehicles
Other vehicles built on the L21 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the CLAAS ARION on the L21?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the L21 ECU software on this model?
Yes — the CLAAS ARION on the L21 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.