JOHN DEERE · L11-L12 ECU

JOHN DEERE 6620 L11-L12 tuning files

JOHN DEERE 6620 on the L11-L12: matched, calibrated and delivered with care. Across the matched variants stock power runs from 125 to 130 HP. 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 L11-L12 on this vehicle. The available set firms up once the exact engine and software are known.

Engine variants & ECU software

3 distinct variants for the JOHN DEERE 6620 on the L11-L12 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
6800 130HP
Engine code
6068HL471
Controller brand
PHOENIX
ECU
L11-L12
Stock power
130 HP
ECU SW
SW51093J
ECU HW
RE522509

Variant 2

ECU
Catalog engine
6800 125HP
Controller brand
PHOENIX
ECU
L11-L12
Stock power
125 HP

Variant 3

ECU
Catalog engine
6800 125HP
Engine code
6068HL471
Controller brand
PHOENIX
ECU
L11-L12
Stock power
125 HP
ECU SW
SW51093J
ECU HW
RE522509
Calibration
CD6068H897421

Related vehicles

Other vehicles built on the L11-L12 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 6620 on the L11-L12?

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

Do you cover the L11-L12 ECU software on this model?

Yes — the JOHN DEERE 6620 on the L11-L12 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 6620 L11-L12 ECU Tuning Files | TuningBay