Agricultural · ECU Remapping

Valtra G Series G 125 4.4l 126 hp Tuning (2021–)

Factory specification and Stage 1 remap gains for the Valtra G Series G 125 4.4l 126 hp (2021–). A Stage 1 calibration adds 14 BHP and 60 Nm — software only, no hardware modifications required.

20212021–4400 ccDieselEstimated
MeasureOriginalStage 1

Power

BHP

126

140Estimated

+14 BHP · +11%

Torque

Nm

480Estimated

540

+60 Nm · +13%

+14 BHP

Stage 1 power gain (estimated)

+60 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.

Rolling road

Dyno Graph

Power (BHP, solid) and torque (Nm, dashed) across engine speed (RPM). Peak figures match our database exactly.

05010002004001k1.5k2kBHPNmRPM126 bhp140 bhp

Hover / touch the graph

Stock: 126 bhp · 480 Nm (peak)

Stage 1: 140 bhp · 540 Nm (peak)

Tuning tool compatibility

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

AutoTuner

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

Alientech KESS3

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

Magicmotorsport FLEX

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

Dimsport New Genius / New Trasdata

Not listed in this manufacturer's 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 Valtra G Series'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