JOHN DEERE · L04 ECU

JOHN DEERE 6620 L04 tuning files

Everything we work with on the JOHN DEERE 6620 fitted with the L04. Stock output across the matched variants spans 125–125 HP. For this platform the dependable path begins with Stage 1 and Stage 2. Each file is tied to the precise software on your car and checked before it goes out.

Available solutions

Applicable work for the L04 on this vehicle. The available set firms up once the exact engine and software are known.

Engine variants & ECU software

1 distinct variant for the JOHN DEERE 6620 on the L04 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
6800 125HP
Engine code
6068HLA70
Controller brand
PHOENIX
ECU
L04
Stock power
125 HP
ECU SW
SW50746C
ECU HW
RE506664
Calibration
CD6068H695277

Related vehicles

Other vehicles built on the L04 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 L04?

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

Do you cover the L04 ECU software on this model?

Yes — the JOHN DEERE 6620 on the L04 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 L04 ECU Tuning Files | TuningBay