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Mitsubishi
UEC60LS-Eco
The Mitsubishi UEC60LS‑Eco is a low‑speed, two‑stroke main engine with electronic control of fuel injection, exhaust valve and cylinder lubrication, offering high thermal efficiency and flexible fuel use.
Engine Specifications
600 mm
Bore
2000 mm
Stroke
Components & Design
Component data being added…
Technical Data
SFOC (UEC60LSE-Eco-A2)
164-170 g/kWh (IMO Tier II)
BMEP (UEC60LSE)
20.0-21.0 bar @ MCR
Piston speed (UEC60LSE)
8.4 m/s
Dry mass UEC60LSE 8-cyl
447 tons
Dry mass UEC60LSE 5-cyl
300 tons
Bore/Stroke ratio UEC60LSE
4.00
Stroke/Bore UEC68LSE
3.96
Electronically controlled
Fuel injection, exhaust valve, cylinder lubrication (ECL)
rpm
105
fuel type
HFO/VLSFO/MGO
technology
UE Eco Electronically Controlled
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Common failures & inspection points
Exhaust valve fouling due to sodium/vanadium deposits (Na2SO4, CaSO4, V2O5) with heavy fuel oil containing high sulphur content (up to 5%); below dew point conden
Turbocharger fouling due to coal and ash particles in exhaust gas during low-load operation, BMEP decline and combustion deterioration
Piston ring leakage and fuel dilution (>2-3%) due to wear on cylinder running surface/piston rings, increased blowby and oil contamination
Cylinder liner wear due to corrosive combustion with sulphurous fuel oil; inspection criterion: wear according to height of sliding surface, max. permissible
Main bearing wear due to oil contamination; weekly inspection for water ingress (<2% permissible) and 3-month analysis for wear metals (Fe, Cu) required
Type-general inspection and maintenance points for this equipment category — not model-specific.
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Maritime Network →Manuals
-
datasheet
Mitsubishi UEC-LSE/LSII — DatenblattMitsubishi
- project_guide
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Equipment Model #67468
· ✓ still in production