New Holland T9.450 All 12.7 Tier 4A - 405hp

Real standard and upgraded performance figures for the 12.7 Tier 4A - 405hp engine in the New Holland T9.450 All.

Below: measured output for the 12.7 Tier 4A - 405hp in the New Holland T9.450 All, standard vs. remapped, in both horsepower and torque.

Horsepower (HP)Torque (Nm)
Standard4051899
Stage 14052127
Stage 24052241
Make
New Holland
Model
T9.450
Generation
All
Engine
12.7 Tier 4A - 405hp
Fuel type
diesel

Frequently asked questions

Is Stage 1 tuning safe for the New Holland T9.450 All 12.7 Tier 4A - 405hp?

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 12.7 Tier 4A - 405hp make after tuning?

Standard output is 405 HP / 1899 Nm; Stage 1 on this engine typically reaches 405 HP / 2127 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a New Holland T9.450 All 12.7 Tier 4A - 405hp 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 12.7 Tier 4A - 405hp 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.