OceanSphereENGINES

8LEL44

Main Engine 4-Stroke · Main Engines (4-Stroke)

Technical data from manufacturer or class sources · not yet verified by a person​‍​‍⁠‍​‍​​​⁠⁠‌‌‍​​​‌
7,040 kWPower
8Cylinders
440 mmBore
580 mmStroke

The Hanshin 8LEL44 is an eight‑cylinder, inline (L‑type) medium‑speed four‑stroke main engine delivering 7 040 kW at 510 rpm, capable of running on HFO or MGO.

Specifications

Technical data.reference — unverified

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ConfigurationL
Speed (rpm)510
Fuel TypeHFO/MGO
TechnologyMechanical
Power (kW)7040
Inspection

Inspector Detail

Common issues

  • Excessive cylinder liner wear due to inadequate lubrication
  • Fuel system contamination from HFO/MGO fuel switchovers
  • Charge air leaks causing reduced engine performance and increased fuel consumption
  • Main bearing wear from misaligned crankshaft or inadequate maintenance
  • Piston ring sticking from carbon buildup or inadequate cooling
  • Exhaust valve seat wear from overheating or inadequate maintenance
  • Crankshaft deflection from misaligned or loose main bearings

Inspection checklist

  • Cylinder head and valve condition
  • Piston and ring condition
  • Crankshaft and main bearing condition
  • Fuel system and injector condition
  • Lubrication system and oil quality
  • Cooling system and heat exchanger condition
  • Exhaust system and turbocharger condition
  • Starting air system and compressor condition
  • Governor and control system condition

Service intervals

oil_change1000-1500 hours
fuel_filter_change250-500 hours
air_filter_change500-1000 hours
cylinder_liner_overhaul12000-18000 hours
main_bearing_overhaul18000-25000 hours

Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.

Typical wear limits

cylinder_liner0.5-1.0 mm wear limit
piston_ring0.5-1.0 mm wear limit
main_bearing0.1-0.5 mm wear limit
crankshaft0.1-0.5 mm deflection limit

Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.

Critical spares

  • Cylinder liners
  • Piston rings
  • Main bearings
  • Fuel injectors
  • Exhaust valves
  • Crankshaft seals
  • Turbocharger components

Safety

  • High-pressure fuel system leaks
  • Charge air system leaks causing oxygen deficiency
  • Exhaust system leaks causing carbon monoxide poisoning
  • Electrical system malfunctions causing shock or fire

Class survey

Class surveyor typically checks for compliance with classification society rules and regulations, including verification of maintenance records, inspection of critical components, and review of safety procedures

Estimated lifetime: 30000-40000 hours

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