Case AF All 5140 6.7 Tier 4 312hp
Real standard and upgraded performance figures for the 5140 6.7 Tier 4 312hp engine in the Case AF All.
The Case AF All 5140 6.7 Tier 4 312hp is one of the engines we work on regularly — here's what a stage remap typically changes for it.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 312 | 1 |
| Stage 1 | 390 | 1 |
| Stage 2 | 429 | 1 |
- Make
- Case
- Model
- AF
- Generation
- All
- Engine
- 5140 6.7 Tier 4 312hp
- Fuel type
- diesel
Frequently asked questions
Is Stage 1 tuning safe for the Case AF All 5140 6.7 Tier 4 312hp?
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 5140 6.7 Tier 4 312hp make after tuning?
Standard output is 312 HP / 1 Nm; Stage 1 on this engine typically reaches 390 HP / 1 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Case AF All 5140 6.7 Tier 4 312hp 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 5140 6.7 Tier 4 312hp 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.