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Agriculture · Grain Harvester

John Deere 9660 STS tuning file (8.1 L, 227 kW)

8.1 L · 227 kW / 304 hp · Tier 2, Tier 3 · ECU PHOENIX L9, Phoenix L9-L11

Stage 1, DTC and emission-related tuning files for the John Deere 9660 STS, read and written with New Genius, Trasdata, KESS3. Exclusively for dealers and tuning professionals.

Machine data

Brand
John Deere
Model
9660 STS
Series / type
Grain Harvester
Division
Agriculture
Engine
8.1 L
Rated power
227 kW · 309 PS · 304 hp
Emission stage
Tier 2, Tier 3
ECU
PHOENIX L9, Phoenix L9-L11
Engine code
6081

KESS3 / Powergate

YearVersionECUKESS3PowergateFunctions
20049660 STS 8.1L I6Engine 6081Phoenix L9-L11OBDBOOT–ReadClone

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
–Tier 2PHOENIX L9FLASH_0196supported · plugin 462 / 508
–Tier 3PHOENIX L9FLASH_0196supported · plugin 462 / 508

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.

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