640 - 155hp Stage 1 tuning

The Claas Arion 640 - 155hp produces 155 hp and 657 Nm as standard. The YASTUNING Stage 1 remap file takes it to 185 hp and 730 Nm, a gain of +30 hp and +73 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.