Agricultural · ECU Remapping

Case IH Steiger STX STX375 14.9l 375 hp Tuning (2002–)

Factory specification and Stage 1 remap gains for the Case IH Steiger STX STX375 14.9l 375 hp (2002–). A Stage 1 calibration adds 45 BHP and 200 Nm — software only, no hardware modifications required.

20022002–14900 ccDieselEstimated
MeasureOriginalStage 1

Power

BHP

375

420Estimated

+45 BHP · +12%

Torque

Nm

1640Estimated

1840

+200 Nm · +12%

+45 BHP

Stage 1 power gain (estimated)

+200 Nm

Stage 1 torque gain (estimated)

Estimated figures are based on engine, ECU and comparable application data. Actual results can vary depending on software version, machine condition and configuration.

Power & torque curves

Illustrative Performance Curve

Illustrative curve generated from published/estimated peak figures. This is not an individual rolling-road test. Power (BHP, solid) and torque (Nm, dashed) across engine speed (RPM); peak figures match the published database values.

01002003004000500100015001k1.5k2kBHPNmRPM375 bhp420 bhp

Hover / touch the graph

Stock: 375 bhp · 1640 Nm (peak)

Stage 1: 420 bhp · 1840 Nm (peak)

Tuning tool compatibility

This ECU was not found in the manufacturer compatibility databases we cross-reference.

AutoTuner

Not listed

Not found in this manufacturer's published data — ask us, coverage updates frequently.

Alientech KESS3

Not listed

Not found in this manufacturer's published data — ask us, coverage updates frequently.

Magicmotorsport FLEX

Not listed

Not found in this manufacturer's published data — ask us, coverage updates frequently.

Dimsport New Genius / New Trasdata

Not listed

Not found in this manufacturer's published data — ask us, coverage updates frequently.

Upload a FileRequest a Quote

Existing customers upload their ECU file via the Regal Tuning File Portal. New to Regal? Request a quote first.

20+ years of ECU calibration

Ready to unlock your Case IH Steiger STX's real performance?

Tell us your machine and registration — we'll confirm support and the exact expected gains for your engine before any work begins.

Request a Quote