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← Sany Crawler Excavators SY390H engines

Sany Crawler Excavators SY390H CUMMINS L9-C 338hp

2003–present · 338 hp · diesel
Stage 1
OriginalAfter tuningDiff
Power hp338 370 +32
Torque Nm1526 1645 +119
Power gain
+9%
Torque gain
+8%
Fuel economy −9%
Before
40.6 L / h
After tuning
36.7 L / h
Saves ≈ 3.8 L / h — about 3 831 L (over 1 000 engine-hours) ≈ €6 705
Estimate for a typical duty cycle · real saving depends on load & driving style
Ready to feel these +32 hp on the road?
Get your ready-to-flash Stage 1 file for the Sany Crawler Excavators SY390H
Order tuning file →
Stage 1 file: €140
✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph