JOHN DEERE · L21 ECU

JOHN DEERE 6115 L21 tuning files

Here is what the catalog holds for the JOHN DEERE 6115 on the L21. Stock output across the matched variants spans 115–115 HP. There are 3 distinct variants on file for this combination. 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.

Upload your file →All 6115 coverage

Available solutions

Applicable work for the L21 on this vehicle. The available set firms up once the exact engine and software are known.

Stage 1 Stage 2

Engine variants & ECU software

3 distinct variants for the JOHN DEERE 6115 on the L21 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 45L 115HP
Engine code: 4045HL497
Controller brand: PHOENIX
ECU: L21
Stock power: 115 HP
ECU SW: SW62074D
ECU HW: RE551416

Variant 2

ECU

Catalog engine: 4500 115HP
Engine code: 4045HL497
Controller brand: PHOENIX
ECU: L21
Stock power: 115 HP
ECU SW: SW62074C
ECU HW: RE551416

Variant 3

ECU

Catalog engine: 4500 115HP
Engine code: 4045HL497
Controller brand: PHOENIX
ECU: L21
Stock power: 115 HP
ECU SW: SW61883F
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 6115 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 6115 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.