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← Caterpillar C4 engines

Caterpillar C4

I · TH407 Acert 128hp (94kW) 499Nm
Stage 1
OriginalAfter tuningDiff
Power hp128 155 +27
Torque Nm499 610 +111
Power gain
+21%
Torque gain
+22%
Fuel economy −10%
Before
15.4 L / h
After tuning
13.9 L / h
Saves ≈ 1.5 L / h — about 1 483 L (over 1 000 engine-hours) ≈ €2 594
Estimate for a typical duty cycle · real saving depends on load & driving style
Ready to feel these +27 hp on the road?
Get your ready-to-flash Stage 1 file for the Caterpillar C4
Order tuning file
Original file back-up Delivered in ~30 min Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph