Cummins ISX

I · 425ST 14.95L 428hp (315kW) 2380Nm

Stage 1

	Original	After tuning	Diff
Power hp	428	475	+47
Torque Nm	2380	2630	+250

Power gain

+11%

Torque gain

+11%

Fuel economy −6%

Before

~~28.5~~ L / 100 km

After tuning

27.0 L / 100 km

Saves ≈ 1.6 L / 100 km — about 1 576 L (over 100 000 km) ≈ €2 757

Estimate for a typical duty cycle · real saving depends on load & driving style

Power graph / Stage 1

PowerTorqueStock