Original file

John Deere 4940 L21SW60664K

An original (stock) flash read of the L21 control unit, fitted in John Deere 4940, software number SW60664K, 2,048.00 KB. The file is supplied exactly as it was read from the unit, byte for byte; nothing is changed in it.

Technical data

Vehicle
BrandJohn Deere
Car model4940
Engine9.0 diesel 340PS
Fueldiesel
Displacement9.0
Power340PS / 250.1kW
Control unit
Control unitL21
Software numberSW60664K
File
File typeOriginal flash read
File size2,048.00 KB
File keyda8450463234a46f
Price15 €

About this file

Typical uses: restoring a control unit to its factory software after a failed flash or a corrupt memory, a clean base before any change, comparing a read of your own with the original. The checksum is the one of the read; your programmer or the CARTESIAN app corrects it after a change.

How to use this file

  1. Order with your e-mail address; the download link comes right after the payment and is valid for 30 days.
  2. Open the file in your programmer, compare its numbers with your unit and check the checksum.
  3. Write it only to a L21 whose label carries the same hardware and software numbers.

Before you write Compare the numbers on your control unit with this file, software number SW60664K. A file written to a unit with other numbers can damage it. Not sure? Give your own read to the search above: it is compared by content.

Other pairs of L21

HardwareSoftwareVehicles
62014John Deere 8295R, John Deere 8270R, John Deere 8345R
62482John Deere 4045, John Deere, John Deere 4045 R
61893John Deere 9410R, John Deere 9510R, John Deere 9560R
60597John Deere 8335R, John Deere 8360 RT, John Deere 8360
60596John Deere 8260R, John Deere 8285 R, John Deere 8235R
62087John Deere 6150R, John Deere 6170, John Deere 6150
62080John Deere 8310 R, John Deere 8360 RT, John Deere
62013John Deere, John Deere 8245R

L21 original files