Agricultural · ECU Remapping
John Deere AGRICULTURE LAWNMOWER Z997R 2.4l 37 hp Tuning (2021–)
Factory specification and Stage 1 remap gains for the John Deere AGRICULTURE LAWNMOWER Z997R 2.4l 37 hp (2021–). A Stage 1 calibration adds 5 BHP and 25 Nm — software only, no hardware modifications required.
| Measure | Original | Stage 1 |
|---|---|---|
Power BHP | 37 | 42Estimated +5 BHP · +14% |
Torque Nm | 185Estimated | 210 +25 Nm · +14% |
+5 BHP
Stage 1 power gain (estimated)
+25 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: 37 bhp · 185 Nm (peak)
Stage 1: 42 bhp · 209.9 Nm (peak)
Tuning tool compatibility
This ECU is listed in 3 of 4 manufacturer compatibility databases.
AutoTuner
Supported
ECU: Bosch EDC17CV54
Alientech KESS3
Supported
ECU: Bosch EDC17CV54
Magicmotorsport FLEX
Supported
ECU: Bosch EDC17CV54
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.