Agricultural · ECU Remapping

Massey Ferguson Mf 8660 8.4l 291 hp Tuning (2012–)

Factory specification and Stage 1 remap gains for the Massey Ferguson Mf 8660 8.4l 291 hp (2012–). A Stage 1 calibration adds 39 BHP and 139 Nm — software only, no hardware modifications required.

20122012–8400 ccDieselEstimated
MeasureOriginalStage 1

Power

BHP

291

330Estimated

+39 BHP · +13%

Torque

Nm

931Estimated

1070

+139 Nm · +15%

+39 BHP

Stage 1 power gain (estimated)

+139 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.

0100200300025050075010001k1.5k2kBHPNmRPM291 bhp330 bhp

Hover / touch the graph

Stock: 291 bhp · 931 Nm (peak)

Stage 1: 330 bhp · 1070 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 Massey Ferguson Mf 8660'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