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MAN Generator (PrimeServ)

9-L32/40 GenSet

Auxiliary Engine (Generator Set) · Auxiliary Engines

Technical data from manufacturer or class sources · not yet verified by a person​‍​⁠​‌‌‍⁠‍‌⁠‍‌⁠​​‌‍​
4,500 kWPower
9Cylinders
320 mmBore
400 mmStroke

MAN Generator (PrimeServ) 9-L32/40 GenSet — Common Rail, 9 cyl × 320mm bore, 750 rpm, MGO/HFO, 4500 kW.

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.

ConfigurationL
Speed (rpm)750
Fuel TypeMGO/HFO
TechnologyCommon Rail
Power (kW)4500
Inspection

Inspector Detail ✓ verified

Common issues

  • Fuel system leaks and contamination due to Common Rail system complexity
  • Cylinder liner and piston ring wear due to high compression ratios and MGO/HFO fuel types
  • Exhaust valve and turbocharger issues from high exhaust gas temperatures and backpressure
  • Lube oil system contamination and degradation from high engine loads and temperatures
  • Cooling system leaks and corrosion from seawater and high cooling demands
  • Starting air system leaks and valve issues from high compression and wear
  • Governor and control system malfunctions from electronic component failures and software glitches

Inspection checklist

  • Cylinder head and valve condition
  • Piston and ring wear measurements
  • Main and big end bearing clearances
  • Lube oil system filters and contamination checks
  • Cooling system leaks and corrosion inspections
  • Exhaust system backpressure and temperature checks
  • Turbocharger condition and performance
  • Fuel system filter and injector condition
  • Starting air system leak tests and valve inspections

Service intervals

oil_change1000-1500 hours
fuel_filter_change500-750 hours
air_filter_change1000-1500 hours
cooling_system_flush3000-5000 hours
exhaust_system_inspection2000-3000 hours

Typical wear limits

cylinder_liner0.5-1.0 mm wear limit
piston_ring0.5-1.0 mm wear limit
exhaust_valve0.5-1.5 mm wear limit
turbocharger_turbine0.1-0.5 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
  • Exhaust valves and turbocharger components
  • Lube oil system filters and pumps
  • Cooling system pumps and heat exchangers
  • Fuel system injectors and filters
  • Starting air system valves and compressors
  • Governor and control system components

Safety

  • High-pressure fuel system leaks and fires
  • Exhaust system backpressure and explosion risks
  • Lube oil system contamination and engine seizures
  • Cooling system leaks and electrical shock hazards
  • Starting air system leaks and asphyxiation risks

Class survey

Class surveyors typically check for compliance with classification society rules and regulations, including engine performance, safety equipment, and pollution prevention measures, with a focus on high-wear components and critical systems

Estimated lifetime: 20000-30000 hours

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