Case AF All 6140 8.7 Tier 4 400hp

Real standard and upgraded performance figures for the 6140 8.7 Tier 4 400hp engine in the Case AF All.

These are real standard and Stage 1 (and where available, Stage 2) figures for the Case AF All 6140 8.7 Tier 4 400hp — not a generic estimate for the model range.

Horsepower (HP)Torque (Nm)
Standard4001
Stage 14801
Stage 25201
Make
Case
Model
AF
Generation
All
Engine
6140 8.7 Tier 4 400hp
Fuel type
diesel

Frequently asked questions

Is Stage 1 tuning safe for the Case AF All 6140 8.7 Tier 4 400hp?

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 6140 8.7 Tier 4 400hp make after tuning?

Standard output is 400 HP / 1 Nm; Stage 1 on this engine typically reaches 480 HP / 1 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Case AF All 6140 8.7 Tier 4 400hp 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 6140 8.7 Tier 4 400hp 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.