Massey Fergusson MF 8660 All 8.4 Tier 4A - 265hp
Real standard and upgraded performance figures for the 8.4 Tier 4A - 265hp engine in the Massey Fergusson MF 8660 All.
This page covers the 8.4 Tier 4A - 265hp as fitted to the Massey Fergusson MF 8660 All — the figures below reflect that specific engine, not the model as a whole.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 265 | 1295 |
| Stage 1 | 318 | 1450 |
| Stage 2 | 344 | 1527 |
- Make
- Massey Fergusson
- Model
- MF 8660
- Generation
- All
- Engine
- 8.4 Tier 4A - 265hp
- Fuel type
- diesel
Frequently asked questions
Is Stage 1 tuning safe for the Massey Fergusson MF 8660 All 8.4 Tier 4A - 265hp?
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 8.4 Tier 4A - 265hp make after tuning?
Standard output is 265 HP / 1295 Nm; Stage 1 on this engine typically reaches 318 HP / 1450 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Massey Fergusson MF 8660 All 8.4 Tier 4A - 265hp 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 8.4 Tier 4A - 265hp 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.