Caterpillar C4 All TH406 Acert - 128hp
Real standard and upgraded performance figures for the TH406 Acert - 128hp engine in the Caterpillar C4 All.
Below: measured output for the TH406 Acert - 128hp in the Caterpillar C4 All, standard vs. remapped, in both horsepower and torque.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 128 | 499 |
| Stage 1 | 155 | 615 |
| Stage 2 | 168 | 673 |
- Make
- Caterpillar
- Model
- C4
- Generation
- All
- Engine
- TH406 Acert - 128hp
- Fuel type
- diesel
Frequently asked questions
Is Stage 1 tuning safe for the Caterpillar C4 All TH406 Acert - 128hp?
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 TH406 Acert - 128hp make after tuning?
Standard output is 128 HP / 499 Nm; Stage 1 on this engine typically reaches 155 HP / 615 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Caterpillar C4 All TH406 Acert - 128hp 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 TH406 Acert - 128hp 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.