"> Mitsubishi 6UEC60LS-Eco
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Mitsubishi

6UEC60LS-Eco

The Mitsubishi 6UEC60LS-Eco is a medium-speed, inline-six, two-stroke main engine with electronic control of fuel injection and exhaust valves, delivering high power density and low specific fuel consumption while meeting IMO Tier II emission standards.

13200.0 kW
Power

Engine Specifications

6
Cylinders
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)
configuration inline
rpm 105
fuel type HFO/VLSFO/MGO
technology UE Eco Electronically Controlled
displacement l per cyl 565.5

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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
marineengineeringonline.com/main-en...
Turbocharger fouling due to coal and ash particles in exhaust gas during low-load operation, BMEP decline and combustion deterioration
marineengineeringonline.com/fouling...
Piston ring leakage and fuel dilution (>2-3%) due to wear on cylinder running surface/piston rings, increased blowby and oil contamination
www.marineinsight.com/main-engine/e...
Cylinder liner wear due to corrosive combustion with sulphurous fuel oil; inspection criterion: wear according to height of sliding surface, max. permissible
www.goseamarine.com/marine-engine-s...
Main bearing wear due to oil contamination; weekly inspection for water ingress (<2% permissible) and 3-month analysis for wear metals (Fe, Cu) required
www.marineinsight.com/main-engine/e...

Type-general inspection and maintenance points for this equipment category — not model-specific.

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Equipment Model #67470 · ✓ still in production