Caterpillar C4 · All
TH337 - Acert 128hp Stage 1 tuning
The Caterpillar C4 TH337 - Acert 128hp produces 128 hp and 499 Nm as standard. The YASTUNING Stage 1 remap file takes it to 155 hp and 615 Nm, a gain of +27 hp and +116 Nm. ECU: Caterpillar A5X12I1. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.
Power
128 hp
155 hp
+27 hp
Torque
499 Nm
615 Nm
+116 Nm
Engine specifications
- Fuel
- Diesel
- ECU
- Caterpillar A5X12I1
- Method
- Chiptuning