Variant 1
ECU- Catalog engine
- 9000 346HP
- Engine code
- 6090HN008
- Controller brand
- PHOENIX
- ECU
- L21
- Stock power
- 346 HP
- ECU SW
- SW62482B
- ECU HW
- RE543662
- SW upgrade
- RG6090G018135
JOHN DEERE · L21 ECU
JOHN DEERE 4045 L21 tuning files
The JOHN DEERE 4045 on the L21, mapped from stock file to finished result. Across the matched variants stock power runs from 346 to 346 HP. There are 3 distinct variants on file for this combination. 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
What we can run on the L21 for this vehicle — the precise options narrow down by engine and software version.
Engine variants & ECU software
3 distinct variants for the JOHN DEERE 4045 on the L21 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 9000 346HP
- Engine code
- 6090HN008
- Controller brand
- PHOENIX
- ECU
- L21
- Stock power
- 346 HP
- ECU SW
- SW62482C
- ECU HW
- RE543662
- SW upgrade
- RG6090G022177
Variant 3
ECU- Catalog engine
- 9000 346HP
- Controller brand
- PHOENIX
- ECU
- L21
- Stock power
- 346 HP
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 JOHN DEERE 4045 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 JOHN DEERE 4045 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.