Agricultures
Fendt Tractor · 900 series
939 Vario 390 KM 6-7755 CR Ad-blue390hp
From 1993 · 1993 → present
Tuning gain
+66HP
+250Nm
Stock HP
390hp
Tuned HP
456hp
Stock Torque
1550Nm
Tuned Torque
1800Nm
Power curve
Horsepower
+66 hpStock
390
Tuned
456
Torque curve
Torque
+250 NmStock
1550
Tuned
1800
Power & torque curves
Illustrative · interpolated from peak values- Stock HP
- Stock Nm
- Tuned HP
- Tuned Nm
Available tuning options· Chiptuning
SCR OFFDPF OFFEGR OFFdtc offecotuning (stage1)
Supported ECUs
- BOSCH EDC17CV52
About this tune
DynoVault's Stage 1 chiptuning for Fendt Tractor 900 series 939 Vario 390 KM 6-7755 CR Ad-blue390hp delivers a measured gain of +66 hp (390 → 456) and +250 Nm of torque (1550 → 1800). The ECU file is custom-mapped per variant and tested against the original safety margins for boost, fueling, and EGT. Available with a lifetime tune warranty and optional fuel-economy mode.
Benefits
- ▸Custom file guarantee.
- ▸It may minimize fuel consumption.