Agricultural · ECU Remapping
John Deere Harvester W Series W540 6.8L I6 251 hp Tuning (2007–)
Factory specification and Stage 1 remap gains for the John Deere Harvester W Series W540 6.8L I6 251 hp (2007–). A Stage 1 calibration adds 24 BHP and 77 Nm — software only, no hardware modifications required.
| Measure | Original | Stage 1 |
|---|---|---|
Power BHP | 251 | 275Estimated +24 BHP · +10% |
Torque Nm | 803Estimated | 880 +77 Nm · +10% |
+24 BHP
Stage 1 power gain (estimated)
+77 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: 251 bhp · 803 Nm (peak)
Stage 1: 275 bhp · 880 Nm (peak)
Tuning tool compatibility
This ECU is listed in 2 of 4 manufacturer compatibility databases.
AutoTuner
Supported
ECU: Bosch EDC17CV41
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
Supported
ECU: Bosch EDC17CV41
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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