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← Cummins ISX engines

Cummins ISX

I · 425ST 14.95L 428hp (315kW) 2244Nm
Stage 1
OriginalAfter tuningDiff
Power hp428 505 +77
Torque Nm2244 2490 +246
Power gain
+18%
Torque gain
+11%
Fuel economy −9%
Before
28.5 L / 100 km
After tuning
25.9 L / 100 km
Saves ≈ 2.6 L / 100 km — about 2 631 L (over 100 000 km) ≈ €4 604
Estimate for a typical duty cycle · real saving depends on load & driving style
Ready to feel these +77 hp on the road?
Get your ready-to-flash Stage 1 file for the Cummins ISX
Order tuning file
Original file back-up Delivered in ~30 min Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph