Claas — Stage 1 / Stage 2 parameters database

The CHIPOK database holds 26 engines for Claas with reverse-engineered ECUs and Stage 1 / Stage 2 target parameters. We cover 3 models. Diesel engines only.

Models3
Engines26
ECU makersBosch / Continental / Denso / Siemens
File turnaround30–60 min
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1
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About Claas chip tuning

Engines and platforms:
  • Main engines: MTU/Mercedes OM441/OM444 (legacy), OM471, OM934, OM936, Cummins QSL9/QSX15, Caterpillar C13/C15 (older Lexion), Perkins (smaller), Deutz TCD 4.1/6.1
  • Platforms: Axion 800/900, Arion 400/500/600/700, Xerion 4500/5000, Lexion 5400-7000 combines, Tucano combines, Jaguar forage harvester
Supported ECUs:
  • Manufacturers: Bosch / Continental / Denso / Siemens
  • Specific Claas units in the database: MTU MDEC ADEC (Mercedes-derived), Mercedes ACM, MCM, CPC4/CPC5, Bosch EDC17CV41, EDC17CV44, EDC17CV56, EDC7UC31 (legacy), Cummins CM2350 (newer Lexion), CAT ADEM4 (older Lexion), Perkins EUI
  • Claas specifics: on Xerion CMATIC and Axion CMATIC — CVT work via MTU MDEC controller
Service terms:
  • Calibrations are done by hand in WinOLS5 + Ghidra for each specific control unit
  • Checksums are recalculated on the engineer's side — the file is ready to flash with a current programmer
  • File returned within 30-60 minutes during working hours
  • Free revisions based on an OBD log