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16VV32/40

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

Technical data from manufacturer or class sources · not yet verified by a person​‍​‍⁠‌‍‌‌⁠​‍​‍⁠​​⁠‍⁠
8,000 kWPower
16Cylinders
320 mmBore
400 mmStroke

The MAN 16VV32/40 is a 16‑cylinder V‑type medium‑speed diesel main engine delivering up to 8 000 kW at 750 rpm, featuring common‑rail injection and two‑stage intercooling for high efficiency and low emissions.

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.

Cylinder displacement32 L/cylinder
Power per cylinder500 kW/cyl
Mean Effective Pressure (MEP)25.9 bar (720 rpm) / 24.9 bar (750 rpm)
Mean piston speed9.6 m/s (720 rpm)
Specific fuel oil consumption (100% MCR)186 g/kWh
Specific fuel oil consumption (85% load)183 g/kWh
Lube oil consumption0.5 g/kWh
Dry mass (6L32/40)38 tonnes
Dry mass (8L32/40)47 tonnes
Dry mass (12V32/40)61 tonnes
Dry mass (18V32/40)85 tonnes
Compression ratio4.5
TurbochargingTwo-stage intercooling with advanced turbocharger
Charge air systemTwo-stage charge air cooler (HT and LT circuits)
Engine typeFour-stroke turbocharged Diesel, non-reversible (propulsion models)
ConfigurationV
Speed (rpm)750
Fuel TypeMGO/HFO
TechnologyCommon Rail
Power (kW)8000
Inspection

Inspector Detail ✓ verified

Common issues

  • Cylinder liner wear - formation of wear ridge at top of liner, potential piston ring breakage
  • Fuel system leaks and contamination, particularly with MGO and HFO
  • Excessive vibration due to imbalance or misalignment of the engine
  • Lubrication system failures, including oil pump malfunction and filter clogging
  • Cooling system issues, such as leaks or blockages in the heat exchanger
  • Turbocharger fouling and failure, reducing engine performance and efficiency
  • Exhaust valve damage and seat wear, leading to reduced engine power and increased emissions

Inspection checklist

  • Cylinder head and valve condition
  • Piston and ring condition
  • Crankshaft and bearing condition
  • Fuel system components, including injectors and pumps
  • Lubrication system, including oil pumps and filters
  • Cooling system, including heat exchangers and pumps
  • Turbocharger condition and performance
  • Exhaust system, including exhaust valves and pipes
  • Engine mounts and alignment

Service intervals

oil_change1000-1500 hours
fuel_filter_change500-1000 hours
air_filter_change1000-2000 hours
coolant_change2000-5000 hours
major_overhaul30000-50000 hours

Typical wear limits

cylinder_liner0.5-1.0 mm wear on diameter
piston_ring0.5-1.0 mm wear on groove depth
crankshaft_bearing0.1-0.5 mm wear on diameter

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

Critical spares

  • Cylinder liners
  • Piston rings
  • Fuel injectors
  • Lubrication pumps
  • Cooling system pumps
  • Turbocharger components
  • Exhaust valves

Safety

  • Risk of fuel leaks and fires
  • Exposure to hazardous materials, such as HFO
  • High-pressure system risks, including fuel and hydraulic systems
  • Electrical shock hazards from engine electrical systems

Class survey

Class surveyors typically check for compliance with classification society rules and regulations, including verification of engine performance, safety equipment, and pollution prevention measures.

Estimated lifetime: 40000-60000 hours

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