JOHN DEERE · L14-L15 ECU

JOHN DEERE T550 L14-L15 tuning files

The JOHN DEERE T550 on the L14-L15, mapped from stock file to finished result. Stock output across the matched variants spans 295–295 HP. There are 2 distinct variants on file for this combination. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Your file is built against the exact ECU software on the car, then operator-verified.

Upload your file →All T550 coverage

Available solutions

Solutions that apply to the L14-L15 on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1Stage 2

Engine variants & ECU software

2 distinct variants for the JOHN DEERE T550 on the L14-L15 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
6800 295HP
Engine code
6068HZ482
Controller brand
PHOENIX
ECU
L14-L15
Stock power
295 HP
ECU SW
SW60036H
ECU HW
RE502404
Calibration
CD6068L280348

Variant 2

ECU
Catalog engine
6800 295HP
Engine code
6068HZ482
Controller brand
PHOENIX
ECU
L14-L15
Stock power
295 HP
ECU SW
SW60036F
ECU HW
RE502404
Calibration
CD6068L087254

Related vehicles

Other vehicles built on the L14-L15 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 T550 on the L14-L15?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the L14-L15 ECU software on this model?

Yes — the JOHN DEERE T550 on the L14-L15 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.

JOHN DEERE T550 L14-L15 ECU Tuning Files | TuningBay