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Mitsubishi

5UEC68LS

Mitsubishi UEC-LSE/LSII — Marinediesel, Bohrung 600; 680; 530 x Hub 2400 (UEC60LSE); 2690 (UEC68LSE); 2057 (UEC52LSII) mm, 105; 79; 95 (UEC68LSE) rpm, 7500-19920 (UEC60LSE); 14700-23500 (UEC68LSE); ~8000-16000 (UEC52LSII geschätzt). Brennstoff: Heavy Fuel Oil (HFO), Blended fuels bis ISO 8217. Status: In Produktion (bis ca. 2015 LSE-Serie aktiv); LSII-Serie älter, schrittweise durch LSE/LSGi ersetzt. Verifiziert, Datenblatt verlinkt.

13500.0 kW
Power

Engine Specifications

5
Cylinders
680 mm
Bore
2390 mm
Stroke
2-stroke
Stroke Type

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)
power kw 13500
rpm 100
fuel type HFO/MDO
configuration L

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Common failures & inspection points

Exhaust valve fouling durch Natrium/Vanadium-Ablagerungen (Na2SO4, CaSO4, V2O5) bei schwerem Brennstoff mit hohem Schwefelanteil (bis 5%); unter Taupunkt konden
marineengineeringonline.com/main-en...
Turbolader-Verschmutzung durch Kohle- und Ascheteilchen im Abgas bei Niedriglastarguetrieb, BMEP-Rückgang und Verbrennungsverschlechterung
marineengineeringonline.com/fouling...
Kolbenringleckage und Brennstoffverdünnung (>2-3%) durch Verschleiß an Zylinderlauffläche/Kolbenringen, erhöhter Blowby und Öl-Kontamination
www.marineinsight.com/main-engine/e...
Zylinderliner-Verschleiß durch korrosive Verbrennung bei schwefelhaltigem Brennstoff; Inspektionskriterium: Verschleiß nach Höhe der Gleitfläche, max. zulässig
www.goseamarine.com/marine-engine-s...
Wellenlager-Verschleiß durch Öl-Kontamination; wöchentliche Prüfung auf Wassereintritt (<2% zulässig) und 3-Monats-Analyse auf Verschleißmetalle (Fe, Cu) erford
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 #123054 · ✓ still in production