John Deere · vehicle model

John Deere 6420 original ECU files

18 original (stock) ECU files for the John Deere 6420: 4 ECU types and 4 engine versions. Find your exact file by its hardware (HW), software (SW) or calibration number and compare it with your own read.

18files
4ECU types
4engines
3HW numbers
7SW numbers

ECU types in the John Deere 6420 4

Engine versions 4

4.5 120hp 104.5 140hp 54.5 110hp 24.5 100hp 1

All John Deere 6420 files 18

VehicleECUHWSWCalibration / upgrade
John Deere 64204.5 100hp · 4045HF275 Phoenix L11 — SW51095B — €20 · Open
John Deere 64204.5 110hp · 4045HL271 Phoenix L11-L12 RE71447 SW51105F CD4045H860617 €20 · Open
John Deere 64204.5 110hp · 4045HL473 Phoenix L11-L12 RE522509 SW51092I CD4045G061224 €20 · Open
John Deere 64204.5 120hp · 4045HL474 Phoenix — SW50955E — €20 · Open
John Deere 64204.5 120hp Phoenix L11-L12 — — — €20 · Open
John Deere 64204.5 120hp · 4045HL474 Phoenix L11-L12 RE522509 SW51092G CD4045H910978 €20 · Open
John Deere 64204.5 120hp Phoenix L11-L12 — — — €20 · Open
John Deere 64204.5 120hp · 4045HL474 Phoenix L11-L12 RE522509 SW51092J CD4045G072706 €20 · Open
John Deere 64204.5 120hp Phoenix L11-L12 — — — €20 · Open
John Deere 64204.5 120hp Phoenix L11-L12 — — — €20 · Open
John Deere 64204.5 120hp Phoenix L12 — — — €20 · Open
John Deere 64204.5 120hp Phoenix L4 — — — €20 · Open
John Deere 64204.5 120hp · 4045HLA73 Phoenix L4 RE506664 SW50745D — €20 · Open
John Deere 64204.5 140hp Phoenix L12 — — — €20 · Open
John Deere 64204.5 140hp Phoenix L12 — — — €20 · Open
John Deere 64204.5 140hp Phoenix L12 — — — €20 · Open
John Deere 64204.5 140hp Phoenix L12 — — — €20 · Open
John Deere 64204.5 140hp Phoenix L12 — — — €20 · Open

All hardware, software and calibration numbers

Find the number from your ECU read (Ctrl+F) and open the matching file.

Hardware (HW) · 3

Need a modified file?

Tuning for John Deere 6420 — done by our engineers

  • Stage 1 / Stage 2 / ECO
  • DPF / FAP OFF
  • EGR OFF
  • AdBlue / SCR OFF
  • DTC OFF
  • Speed limiter, Start&Stop

Questions

Are these files modified?

No. Every file is an original (stock) read of a John Deere 6420 control unit, delivered exactly as read. If you need a modified file, order tuning below.

How do I find the right file?

Read the ECU with your tool and compare the hardware (HW) and software (SW) numbers — and the calibration when several files share one software number. The vehicle name alone is not enough: the identifiers decide.

How do I get the file?

Create an account on our file service, top up your balance and download the file straight away. Every original file costs €20.

My number is not listed. What now?

Send us the HW/SW numbers of your ECU on WhatsApp or by email. We check our full archive and reply.

Can you tune John Deere 6420?

Yes. We make Stage 1/2 files and DPF, EGR, AdBlue/SCR and DTC solutions for John Deere 6420 (depending on the engine). Upload your read on our file service.

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