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Agriculture · Grain Harvester

John Deere T660 tuning file (273 kW)

9.0 L · 273 kW / 366 hp · Tier 3, Tier 3 B, Tier 4 · ECU PHOENIX L15, PHOENIX L21, PHOENIX L23 +1

Stage 1, DTC and emission-related tuning files for the John Deere T660, read and written with New Genius, Trasdata, KESS3. Exclusively for dealers and tuning professionals.

Machine data

Brand
John Deere
Model
T660
Series / type
Grain Harvester
Division
Agriculture
Engine
9.0 L
Rated power
273 kW · 371 PS · 366 hp
Emission stage
Tier 3, Tier 3 B, Tier 4
ECU
PHOENIX L15, PHOENIX L21, PHOENIX L23, Phoenix L21-L22-L23

KESS3 / Powergate

YearVersionECUKESS3PowergateFunctions
2007T660 9.0L I6Phoenix L15OBDBOOT–ReadClone
2011T660 9.0L I6Phoenix L21-L22-L23OBD–Read

Source: Alientech KESS3 / Powergate vehicle list, 14.10.2026. How KESS3 is used on off-highway machines.

New Genius / New Trasdata

YearEmission stageECUNew Genius (OBD)New Trasdata
2008Tier 3PHOENIX L15FLASH_0196supported · plugin 123
–Tier 3 BPHOENIX L21FLASH_0363not listed
–Tier 4PHOENIX L21FLASH_0363not listed
–Tier 3 BPHOENIX L23FLASH_0363not 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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