John Deere 4940 Phoenix L21 SW61517C File Info
You can view the file details below.
Hersteller
John Deere
Serie
4940
Baureihe
Output
340PS 250.1KW
StgHersteller
Phoenix
StgBaureihe
L21
Stgnr_Stg
RE543662
Stgnr_Her
Software
SW61517C
SoftwareVersion
You can find the chip tuning file you are looking for on "Carecufile.com"