Agricultural · ECU Remapping
John Deere AGRICULTURE GRAIN HARVESTER S770 Combines 9.0l 455 hp Tuning (2014–)
Factory specification and Stage 1 remap gains for the John Deere AGRICULTURE GRAIN HARVESTER S770 Combines 9.0l 455 hp (2014–). A Stage 1 calibration adds 35 BHP and 184 Nm — software only, no hardware modifications required.
| Measure | Original | Stage 1 |
|---|---|---|
Power BHP | 455 | 490Estimated +35 BHP · +8% |
Torque Nm | 1456Estimated | 1640 +184 Nm · +13% |
+35 BHP
Stage 1 power gain (estimated)
+184 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.
Hover / touch the graph
Stock: 455 bhp · 1456 Nm (peak)
Stage 1: 490 bhp · 1640 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.
Existing customers upload their ECU file via the Regal Tuning File Portal. New to Regal? Request a quote first.
20+ years of ECU calibration
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Tell us your machine and registration — we'll confirm support and the exact expected gains for your engine before any work begins.