Case STX All 385 12.9 389hp
Real standard and upgraded performance figures for the 385 12.9 389hp engine in the Case STX All.
Below: measured output for the 385 12.9 389hp in the Case STX All, standard vs. remapped, in both horsepower and torque.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 389 | 1 |
| Stage 1 | 456 | 1 |
| Stage 2 | 489 | 1 |
- Make
- Case
- Model
- STX
- Generation
- All
- Engine
- 385 12.9 389hp
- Fuel type
- diesel
Frequently asked questions
Is Stage 1 tuning safe for the Case STX All 385 12.9 389hp?
Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.
How much more power does the 385 12.9 389hp make after tuning?
Standard output is 389 HP / 1 Nm; Stage 1 on this engine typically reaches 456 HP / 1 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Case STX All 385 12.9 389hp remap take?
Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.
Can the 385 12.9 389hp be reverted to its original file?
Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.