JOHN DEERE · L21 ECU

JOHN DEERE 6110 L21 tuning files

JOHN DEERE 6110 on the L21: matched, calibrated and delivered with care. Across the matched variants stock power runs from 110 to 110 HP. There are 2 distinct variants on file for this combination. Stage 1 and Stage 2 are the safe starting points for this platform. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Upload your file →All 6110 coverage

Available solutions

Solutions that apply to the L21 on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

2 distinct variants for the JOHN DEERE 6110 on the L21 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 4500 110HP
Controller brand: PHOENIX
ECU: L21
Stock power: 110 HP

Variant 2

ECU

Catalog engine: 4500 110HP
Engine code: 4045HL490
Controller brand: PHOENIX
ECU: L21
Stock power: 110 HP
ECU SW: SW61935D
ECU HW: RE551416

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 6110 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 6110 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.