400 - 12.9 Tier 4A Stage 1 tuning

The Case ih Steiger 400 - 12.9 Tier 4A produces 400 hp and 1 Nm as standard. The YASTUNING Stage 1 remap file takes it to 481 hp and 1 Nm, a gain of +81 hp. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.