Catalog/ Agriculture, construction & industrial/ Sunward/ SWE155UF
← Sunward SWE155UF engines

Sunward SWE155UF Cummins QSF3.8 121hp

2003–present · 121 hp · diesel
Stage 1
OriginalAfter tuningDiff
Power hp121 150 +29
Torque Nm500 600 +100
Power gain
+24%
Torque gain
+20%
Fuel economy −10%
Before
14.5 L / h
After tuning
13.1 L / h
Saves ≈ 1.4 L / h — about 1 382 L (over 1 000 engine-hours) ≈ €2 418
Estimate for a typical duty cycle · real saving depends on load & driving style
Ready to feel these +29 hp on the road?
Get your ready-to-flash Stage 1 file for the Sunward SWE155UF
Order tuning file →
Stage 1 file: €140
✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph