Variant 1
ECU- Catalog engine
- 4500 125HP
- Engine code
- 4045HL495
- Controller brand
- PHOENIX
- ECU
- L23
- Stock power
- 125 HP
- ECU SW
- SW62075B
- ECU HW
- RE551416
JOHN DEERE · L23 ECU
JOHN DEERE 6125 L23 tuning files
Here is what the catalog holds for the JOHN DEERE 6125 on the L23. The matched variants sit between 115 and 125 HP from the factory. 8 distinct variants are catalogued here. For this platform the dependable path begins with Stage 1 and Stage 2. We match the right calibration to your exact software and validate it before delivery.
Available solutions
Solutions that apply to the L23 on this vehicle platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
8 distinct variants for the JOHN DEERE 6125 on the L23 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 4500 125HP
- Engine code
- 4045HL495
- Controller brand
- PHOENIX
- ECU
- L23
- Stock power
- 125 HP
- ECU SW
- SW62075A
- ECU HW
- RE551416
Variant 3
ECU- Catalog engine
- 4500 125HP
- Engine code
- 4045HL495
- Controller brand
- PHOENIX
- ECU
- L23
- Stock power
- 125 HP
- ECU SW
- SW61884B
- ECU HW
- RE551416
Variant 4
ECU- Catalog engine
- 4500 125HP
- Engine code
- 4045HL495
- Controller brand
- PHOENIX
- ECU
- L23
- Stock power
- 125 HP
- ECU SW
- SW61884C
- ECU HW
- RE551416
Variant 5
ECU- Catalog engine
- 4500 125HP
- Engine code
- 4045HL495
- Controller brand
- PHOENIX
- ECU
- L23
- Stock power
- 125 HP
- ECU SW
- SW61884D
- ECU HW
- RE543242
Variant 6
ECU- Catalog engine
- 4500 125HP
- Engine code
- 4045HL495
- Controller brand
- PHOENIX
- ECU
- L23
- Stock power
- 125 HP
- ECU SW
- SW62075D
- ECU HW
- RE543423
Variant 7
ECU- Catalog engine
- 4500 125HP
- Engine code
- 4045HL495
- Controller brand
- PHOENIX
- ECU
- L23
- Stock power
- 125 HP
Variant 8
ECU- Catalog engine
- 4500 115HP
- Engine code
- 4045HL496
- Controller brand
- PHOENIX
- ECU
- L23
- Stock power
- 115 HP
Related vehicles
Other vehicles built on the L23 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 6125 on the L23?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the L23 ECU software on this model?
Yes — the JOHN DEERE 6125 on the L23 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.