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Catalog/ Trucks/ Cummins/ QSX
← Cummins QSX engines

Cummins QSX

I · 520 14.95L 522hp (384kW) 2365Nm
Stage 1
OriginalAfter tuningDiff
Power hp522 610 +88
Torque Nm2365 2840 +475
Power gain
+17%
Torque gain
+20%
Fuel economy −10%
Before
34.8 L / 100 km
After tuning
31.5 L / 100 km
Saves ≈ 3.3 L / 100 km — about 3 341 L (over 100 000 km) ≈ €5 846
Estimate for a typical duty cycle · real saving depends on load & driving style
Ready to feel these +88 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