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Mitsubishi MET

WB 53WB

Turbocharger · Turbochargers

Technical data from manufacturer or class sources · not yet verified by a person​‍​‍⁠‍⁠‍⁠​‍⁠​‍‌⁠⁠​‍‍

The MET‑WB 53WB is a water‑cooled medium‑speed turbocharger for four‑stroke diesel engines up to about 8 MW, delivering high pressure ratios in a compact package.

Specifications

Technical data.reference — unverified

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Frame Size53WB
Power max (kW)8000
Inspection

Inspector Detail

Common issues

  • Turbocharger rotor imbalance due to worn or damaged blades
  • Compressor wheel fouling caused by dirty or salty air intake
  • Lubrication system contamination leading to bearing failure
  • Inlet or outlet casing damage from foreign objects or excessive vibration
  • Worn or damaged nozzle rings causing reduced compressor efficiency
  • Incorrect turbine or compressor blade clearance leading to reduced performance

Inspection checklist

  • Visual inspection of turbine and compressor blades for damage or wear
  • Check compressor inlet filter for cleanliness and condition
  • Verify proper lubrication system function and oil quality
  • Inspect bearing condition and vibration levels
  • Check turbine and compressor casing for signs of damage or excessive wear
  • Verify correct clearance between turbine and compressor blades
  • Check for any signs of oil or gas leakage
  • Verify proper function of the turbocharger's control system

Service intervals

routine_maintenanceevery 2000-4000 hours
major_overhaulevery 20000-30000 hours or as recommended by manufacturer

Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.

Typical wear limits

turbine_blades5-10% reduction in blade length or significant damage
compressor_blades5-10% reduction in blade length or significant damage
bearing_clearance0.1-0.2 mm increase in clearance

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

Critical spares

  • Turbine and compressor blades
  • Nozzle rings
  • Bearing sets
  • Seal kits
  • Lubrication system filters
  • Control system components

Safety

  • High-speed rotating parts pose a significant injury risk
  • Hot surfaces and exhaust gases can cause burns
  • Incorrect installation or maintenance can lead to equipment failure and injury

Class survey

The class surveyor will typically check the turbocharger's condition, verify proper maintenance and repair records, and ensure compliance with manufacturer recommendations and regulatory requirements

Estimated lifetime: 40000-60000 hours

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