8S80ME-C9.5-GI
The Hyundai 8S80ME-C9.5-GI is an 8‑cylinder, low‑speed two‑stroke main engine with gas‑injection dual‑fuel technology (LNG/HFO) that delivers roughly 75 MW of power.
Engine Specifications
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Common issues
- Fuel gas supply system leaks or blockages
- Lube oil system contamination or low pressure
- Exhaust valve damage due to overheating or incorrect timing
- Cylinder liner wear or scuffing
- Piston ring or skirt damage
- Fuel injection system clogging or faulty injectors
- Crankshaft or camshaft bearing wear
Inspection checklist
- Cylinder head and valve condition
- Piston and ring condition
- Crankshaft and camshaft bearing clearances
- Lube oil system filters and pressure
- Fuel gas supply system leaks and pressure
- Exhaust system condition and temperature
- Starting air system condition and pressure
- Cooling system condition and temperature
Service intervals
| oil_change | 1000-1500 hours |
| fuel_injector_overhaul | 3000-4000 hours |
| cylinder_liner_honing | 6000-8000 hours |
| valve_overhaul | 8000-10000 hours |
Typical wear limits
| cylinder_liner_diameter | 0.5-1.0 mm overbore |
| piston_ring_gap | 0.5-1.5 mm |
| crankshaft_bearing_clearance | 0.1-0.3 mm |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Critical spares
- Fuel injectors
- Cylinder liners
- Piston rings
- Exhaust valves
- Crankshaft bearings
- Lube oil pumps
- Fuel gas supply system components
Safety
- Fuel gas supply system leaks or ruptures
- Lube oil system failures or fires
- Exhaust system overheating or explosions
Class survey
Class surveyor typically checks for compliance with classification society rules and regulations, including fuel gas supply system, lube oil system, and exhaust system condition, as well as verification of service intervals and maintenance records
Components & Design
Component data being added…
Technical Data
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