Engine · John Deere R4000 Serie All
4038 9.0 Tier 4F
Explore available calibrations, measured performance figures, and options for this engine.
- Fuel
- Diesel
- Stock power
- 314 hp
- ECU access
- Standard access
- Available calibrations
- 1
John Deere · R4000 SeriePerformance
Power+81 hp · +26%
395hp314 hp
Torque+0 Nm · +0%
0Nm0 Nm
What happens on the day
- 01
Diagnostic check
We inspect the whole vehicle before making any change.
- 02
Baseline dyno run
Stock output is measured on your own vehicle.
- 03
Backup and calibration
The factory file is saved before a safe, tailored calibration.
- 04
Final run and handover
We verify the datalogs and give you the results.
Not your engine?
Choose another engine from the same generation.
4023 4.5 Tier 4FDiesel175 hp4030 6.8 Tier 4FDiesel284 hp4030 6.8 Tier 4FDiesel284 hp4038 9.0 Tier 4FCurrent314 hp4045 9.0 Tier 4FDiesel351 hp