OceanSphereENGINES

8LLH36LA

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

Technical data from manufacturer or class sources · not yet verified by a person​‍​‍⁠‍​‌‌​​⁠​‍‌‌‌‌‍⁠
4,800 kWPower
8Cylinders
360 mmBore
480 mmStroke

The Hanshin 8LLH36LA is an 8‑cylinder, L‑configuration medium‑speed main engine delivering about 4 800 kW at 600 rpm, featuring common‑rail fuel injection for HFO/MGO operation.

Specifications

Technical data.reference — unverified

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ConfigurationL
Speed (rpm)600
Fuel TypeHFO/MGO
TechnologyCommon Rail
Power (kW)4800
Inspection

Inspector Detail ✓ verified

Common issues

  • Fuel system leaks and blockages due to HFO/MGO fuel type
  • Common Rail system faults, such as faulty injectors or pumps
  • Cylinder liner and piston ring wear due to high compression ratios
  • Exhaust valve and turbocharger issues from high exhaust gas temperatures
  • Lubrication system contamination and oil degradation
  • Crankshaft and camshaft bearing wear from high loads and stress
  • Cooling system leaks and corrosion from seawater or freshwater sources

Inspection checklist

  • Cylinder head and valve condition
  • Piston and ring condition
  • Crankshaft and camshaft bearing clearances
  • Fuel system filters and injectors
  • Lubrication system oil quality and level
  • Cooling system leaks and corrosion
  • Exhaust system condition and turbocharger performance
  • Starting air system condition and compressor performance
  • Engine control system and alarm functions

Service intervals

oil_change1000-1500 hours
fuel_filter_change500-1000 hours
air_filter_change1000-2000 hours
coolant_change2000-5000 hours
injector_overhaul10000-15000 hours

Typical wear limits

cylinder_liner0.5-1.0 mm wear limit
piston_ring0.5-1.5 mm wear limit
crankshaft_bearing0.1-0.5 mm wear limit
camshaft_bearing0.1-0.5 mm wear limit

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

Critical spares

  • Fuel injectors
  • Cylinder liners and piston rings
  • Crankshaft and camshaft bearings
  • Turbocharger and exhaust valve spares
  • Lubrication system pumps and filters
  • Cooling system pumps and heat exchangers
  • Starting air compressor and valve spares

Safety

  • High-pressure fuel system leaks and fires
  • Hot surfaces and exhaust system burns
  • Rotating machinery and entanglement hazards
  • Electrical system shocks and arc flashes
  • Crushing hazards from moving parts and equipment

Class survey

Class surveyor typically checks engine performance, vibration, and noise levels, as well as inspecting critical components and systems for wear and damage, and verifying compliance with regulatory requirements and classification society rules

Estimated lifetime: 30000-50000 hours

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