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MAN Generator (PrimeServ)

8-L28/32H GenSet

Auxiliary Engine (Generator Set) · Auxiliary Engines

Technical data from manufacturer or class sources · not yet verified by a person​‍​⁠​‌‌‍‍‌⁠​‍‌⁠​⁠‍‌​
8Cylinders
280 mmBore
320 mmStroke

MAN Generator (PrimeServ) 8-L28/32H GenSet — Mechanical, 8 cyl × 280mm bore, MGO/HFO.

Specifications

Technical data.reference — unverified

Do you have the manufacturer datasheet for this model? Send it with the enquiry form — we check it and name the source.

Engine output (L28/32H GenSet)1680 kW at 720 rpm (60 Hz); 1760 kW at 750 rpm (50 Hz)
ConfigurationL
Fuel TypeMGO/HFO
TechnologyMechanical
Inspection

Inspector Detail ✓ verified

Common issues

  • Excessive cylinder liner wear due to poor fuel quality or inadequate maintenance
  • Fuel system leaks and contamination, particularly with MGO/HFO fuel types
  • Main bearing wear and overheating, potentially caused by misalignment or insufficient lubrication
  • Turbocharger fouling and reduced performance, often resulting from inadequate air filtration
  • Governor and fuel pump calibration issues, leading to unstable engine operation
  • Crankshaft and camshaft seal leaks, potentially causing oil contamination and engine damage
  • Cooling system corrosion and scaling, which can lead to overheating and engine failure

Inspection checklist

  • Cylinder head and valve condition
  • Piston and ring condition
  • Crankshaft and main bearing condition
  • Fuel system and injector condition
  • Turbocharger and exhaust system condition
  • Cooling system and heat exchanger condition
  • Lubrication system and oil quality
  • Governor and fuel pump operation
  • Electrical system and generator condition

Service intervals

oil_change400-600 hours
fuel_filter_change200-400 hours
air_filter_change100-200 hours
coolant_change2000-4000 hours
major_overhaul20000-30000 hours

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
crankshaft_seal0.1-0.5 mm wear limit

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

Critical spares

  • Cylinder liners and piston rings
  • Main bearings and crankshaft seals
  • Fuel injectors and fuel pumps
  • Turbocharger and exhaust system components
  • Governor and fuel pump components
  • Electrical system and generator components
  • Lubrication system and oil pump components

Safety

  • Risk of explosion or fire due to fuel system leaks or electrical system faults
  • Risk of injury from rotating machinery or hot surfaces
  • Risk of asphyxiation from exhaust gas or fuel vapors
  • Risk of electrical shock from generator or electrical system components

Class survey

The class surveyor will typically check the engine's overall condition, including cylinder head and valve condition, piston and ring condition, and crankshaft and main bearing condition. They will also verify that the engine is properly maintained and that all necessary repairs and replacements have been made.

Estimated lifetime: 30000-40000 hours

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