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Construction · Wheel Loaders

John Deere 644K tuning file (Wheel Loaders, 9.1 L, 173 kW)

9.1 L · 173 kW / 232 hp · Tier 3 B, Tier 4 · ECU PHOENIX L21

Stage 1, DTC and emission-related tuning files for the John Deere 644K, read and written with New Genius. Exclusively for dealers and tuning professionals.

Machine data

Brand
John Deere
Model
644K
Series / type
Wheel Loaders
Division
Construction
Engine
9.1 L
Rated power
173 kW · 235 PS · 232 hp
Emission stage
Tier 3 B, Tier 4
ECU
PHOENIX L21

KESS3 / Powergate

Not found in the KESS3 vehicle list (14.10.2026).

New Genius / New Trasdata

YearEmission stageECUNew Genius (OBD)New Trasdata
–Tier 3 BPHOENIX L21FLASH_0363not listed
–Tier 4PHOENIX L21FLASH_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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