Control Unit
Lxx / SW51092E
John Deere 6420 4.5 CR - 120hp · Diesel
Phoenix
Diesel
92.0 kW / 125 HP
Legal notice
Race / export product. Tuning files are intended exclusively for motorsport, export and test-bench research — not road-legal (Art. 55 Reg. (EU) 2018/858). Disabling AGR / DPF / SCR voids the operating permit EU-wide and may void warranty and guarantee claims. The buyer bears sole responsibility for use.
Original ECU File
Original file
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Fileservice – how it works
1
Read out original fileRead the control unit with a tool — KESS3, Autotuner, FLEX.
2
Order tuningChoose your optimisation and pay — PayPal, credit card, bank transfer.
3
Send the fileFile + order number to info@stefanel-performance.com.
4
Receive optimised fileThe processed file comes back by e-mail — ready to flash.
Processing usually within 24 hours
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Technical data
| Vehicle | John Deere 6420 4.5 CR - 120hp |
| Vehicle type | Agriculture |
| Fuel | Diesel |
| Displacement | 0 ccm (0.0 L) |
| Power | 92.0 kW / 125 HP |
| Year | 2013 |
| Transmission | Automatic Transmission |
| ECU manufacturer | Phoenix |
| ECU designation | Lxx |
| ECU prod. no. | RE508774 |
| Hardware no. | SW51092E |
| Software version | SW51092E |
| File size | 262,144 Bytes |
| Reading tool | Alientech KESS3 OBD |
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