Agricultural · ECU Remapping

John Deere AGRICULTURE GRAIN HARVESTER S785 Combines 13.5l 579 hp Tuning (2014–)

Factory specification and Stage 1 remap gains for the John Deere AGRICULTURE GRAIN HARVESTER S785 Combines 13.5l 579 hp (2014–). A Stage 1 calibration adds 46 BHP and 148 Nm — software only, no hardware modifications required.

20142014–13500 ccDieselEstimated
MeasureOriginalStage 1

Power

BHP

579

625Estimated

+46 BHP · +8%

Torque

Nm

1852Estimated

2000

+148 Nm · +8%

+46 BHP

Stage 1 power gain (estimated)

+148 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.

020040060005001000150020001k1.5k2kBHPNmRPM579 bhp625 bhp

Hover / touch the graph

Stock: 579 bhp · 1852 Nm (peak)

Stage 1: 625 bhp · 2000 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 John Deere AGRICULTURE GRAIN HARVESTER'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