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Agriculture · 8R-RT-RX Series

John Deere 8R 250 tuning file (8R-RT-RX Series, 186 kW)

9.0 L · 186 kW / 249 hp · Tier 5 · ECU PHOENIX L40

Stage 1, DTC and emission-related tuning files for the John Deere 8R 250, read and written with New Genius. Exclusively for dealers and tuning professionals.

Machine data

Brand
John Deere
Model
8R 250
Series / type
8R-RT-RX Series
Division
Agriculture
Engine
9.0 L
Rated power
186 kW · 253 PS · 249 hp
Emission stage
Tier 5
ECU
PHOENIX L40

KESS3 / Powergate

Not found in the KESS3 vehicle list (14.10.2026).

New Genius / New Trasdata

YearEmission stageECUNew Genius (OBD)New Trasdata
2022Tier 5PHOENIX L40FLASH_0877not listed

Source: Dimsport application list, release 06.10.2026. Emission stages are shortened as in that list.

Other tools

AutoTuner
ECU family not listedMatched by ECU name against the AutoTuner compatibility list of 13.10.2026. Support differs by brand, so check before quoting. AutoTuner on agricultural and construction machines.

Machine or brand not listed?

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