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← Caterpillar C9 engines

Caterpillar C9

I · 8.8 Acert 340hp (250kW) 1428Nm
Stage 1
OriginalAfter tuningDiff
Power hp340 390 +50
Torque Nm1428 1690 +262
Power gain
+15%
Torque gain
+18%
Fuel economy −9%
Before
40.8 L / h
After tuning
37.3 L / h
Saves ≈ 3.5 L / h — about 3 522 L (over 1 000 engine-hours) ≈ €6 163
Estimate for a typical duty cycle · real saving depends on load & driving style
Ready to feel these +50 hp on the road?
Get your ready-to-flash Stage 1 file for the Caterpillar C9
Order tuning file
Original file back-up Delivered in ~30 min Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph