Valtra S 323 All 8.4 Tier 4A - 351hp

Real standard and upgraded performance figures for the 8.4 Tier 4A - 351hp engine in the Valtra S 323 All.

These are real standard and Stage 1 (and where available, Stage 2) figures for the Valtra S 323 All 8.4 Tier 4A - 351hp — not a generic estimate for the model range.

Horsepower (HP)Torque (Nm)
Standard3511540
Stage 13511725
Stage 23511817
Make
Valtra
Model
S 323
Generation
All
Engine
8.4 Tier 4A - 351hp
Fuel type
diesel

Frequently asked questions

Is Stage 1 tuning safe for the Valtra S 323 All 8.4 Tier 4A - 351hp?

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 - 351hp make after tuning?

Standard output is 351 HP / 1540 Nm; Stage 1 on this engine typically reaches 351 HP / 1725 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Valtra S 323 All 8.4 Tier 4A - 351hp 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 - 351hp 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.