16VPA6 STC
The Pielstick 16VPA6 STC is a medium‑speed, V‑16, mechanically injected diesel engine delivering about 5 600 kW at 1 050 rpm, primarily used as main propulsion on mid‑size cargo vessels.
Engine Specifications
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Common issues
- Excessive cylinder liner wear due to poor fuel quality or inadequate maintenance
- Scavenge air leaks causing reduced engine performance and increased fuel consumption
- Fuel pump failures resulting from worn or damaged components
- Turbocharger fouling or damage from inadequate maintenance or poor operating conditions
- Crankshaft bearing wear or damage from misalignment or inadequate lubrication
- Piston ring wear or breakage due to poor maintenance or operating conditions
- Exhaust valve issues such as leakage or burn-out
Inspection checklist
- Cylinder head and valve condition
- Piston and ring condition
- Crankshaft and bearing condition
- Fuel system components and filters
- Turbocharger condition and performance
- Scavenge air system leaks and performance
- Lubrication system condition and performance
- Exhaust system condition and performance
- Cooling system condition and performance
- Electrical system condition and performance
Service intervals
| oil_change | 400-600 hours |
| fuel_filter_change | 1000-1500 hours |
| air_filter_change | 500-1000 hours |
| turbocharger_inspection | 2000-3000 hours |
| major_overhaul | 20000-30000 hours |
Typical wear limits
| cylinder_liner | 0.5-1.0 mm wear |
| piston_ring | 0.5-1.5 mm wear |
| crankshaft_bearing | 0.1-0.5 mm wear |
| exhaust_valve | 0.5-1.5 mm wear |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Critical spares
- Cylinder liners
- Piston rings
- Fuel pump components
- Turbocharger components
- Crankshaft bearings
- Exhaust valves
- Cylinder head gaskets
Safety
- Risk of explosion or fire from fuel leaks or inadequate ventilation
- Risk of injury from moving parts or hot surfaces
- Risk of asphyxiation from inadequate ventilation or scavenge air leaks
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 performance data
Components & Design
Component data being added…
Technical Data
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