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← Cummins QSX engines

Cummins QSX

I · 485 14.95L 494hp (363kW) 2365Nm
Stage 1
OriginalAfter tuningDiff
Power hp494 580 +86
Torque Nm2365 2725 +360
Power gain
+17%
Torque gain
+15%
Fuel economy −9%
Before
32.9 L / 100 km
After tuning
30.1 L / 100 km
Saves ≈ 2.8 L / 100 km — about 2 817 L (over 100 000 km) ≈ €4 930
Estimate for a typical duty cycle · real saving depends on load & driving style
Ready to feel these +86 hp on the road?
Get your ready-to-flash Stage 1 file for the Cummins QSX
Order tuning file
Original file back-up Delivered in ~30 min Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph