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Garrett Motion Marine

GTW GTW3884

Turbocharger · Turbochargers

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

Garrett Motion Marine GTW GTW3884 — GTW, 800 kW max.

Specifications

Technical data.reference — unverified

Frame SizeGTW3884
Power max (kW)800
Inspection

Inspector Detail ✓ verified

Common issues

  • Compressor wheel fouling due to saltwater or fuel oil contamination
  • Turbine blade erosion from high-temperature exhaust gases
  • Bearing failure from inadequate lubrication or cooling
  • Seal damage from improper installation or worn-out components
  • Overspeed conditions causing turbine or compressor damage
  • Inadequate drainage of compressor housing leading to water accumulation

Inspection checklist

  • Compressor and turbine wheel condition
  • Bearing housing and lubrication system
  • Seal condition and leakage
  • Heat exchanger and cooling system performance
  • Vibration analysis and balance check
  • Oil and fuel filter condition
  • Exhaust gas temperature monitoring
  • Compressor housing and diffuser condition
  • Actuator and control system functionality

Service intervals

oil_changeevery 1000-1500 hours
filter_replacementevery 500-1000 hours
bearing_inspectionevery 2000-3000 hours
seal_replacementevery 5000-10000 hours

Typical wear limits

compressor_wheel10-15% of blade tip clearance
turbine_blade5-10% of blade tip clearance
bearing0.1-0.5 mm of radial clearance

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

Critical spares

  • Compressor wheel
  • Turbine blade set
  • Bearing set
  • Seal kit
  • Actuator and control system components
  • Oil and fuel filters
  • Heat exchanger gaskets

Safety

  • High-temperature exhaust gases and surfaces
  • Rotating machinery and entanglement hazards
  • Electrical shock from control systems
  • Compressed air or gas leaks
  • Oil or fuel spills and fires

Class survey

Verify turbocharger performance, inspect for signs of overheating, and check control system functionality

Estimated lifetime: 20000-30000 hours

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