Agricultural · ECU Remapping
Hitachi Zx Series 4.1 L4 TCD 145 hp Tuning (2019–)
Factory specification and Stage 1 remap gains for the Hitachi Zx Series 4.1 L4 TCD 145 hp (2019–). A Stage 1 calibration adds 25 BHP and 100 Nm — software only, no hardware modifications required.
| Measure | Original | Stage 1 |
|---|---|---|
Power BHP | 145 | 170 +25 BHP · +17% |
Torque Nm | 600 | 700 +100 Nm · +17% |
+25 BHP
Stage 1 power gain
+100 Nm
Stage 1 torque gain
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: 145 bhp · 600 Nm (peak)
Stage 1: 170 bhp · 700 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.