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Daihatsu Diesel Aux

9-DC32 Gen

Auxiliary Engine (Generator Set) · Auxiliary Engines

Technical data from manufacturer or class sources · not yet verified by a person​‍​⁠​‌‌⁠‍⁠‌‍​‌‍‍⁠​‍​
4,770 kWPower
9Cylinders
320 mmBore
400 mmStroke

Daihatsu Diesel Aux 9-DC32 Gen — Tier III, 9 cyl × 320mm bore, 750 rpm, HFO/MGO, 4770 kW.

Specifications

Technical data.reference — unverified

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ConfigurationL
Speed (rpm)750
Fuel TypeHFO/MGO
TechnologyTier III
Power (kW)4770
Inspection

Inspector Detail ✓ verified

Common issues

  • Excessive cylinder liner wear due to poor fuel quality
  • Fuel pump failure caused by contaminated fuel
  • Lubricating oil leaks from cylinder head and engine block
  • Turbocharger fouling and failure due to inadequate maintenance
  • Crankshaft bearing wear and damage from misaligned engine
  • Exhaust valve seat wear and damage from overheating
  • Cooling system leaks and corrosion

Inspection checklist

  • Cylinder compression test
  • Fuel system leak test
  • Lubricating oil analysis
  • Cooling system pressure test
  • Turbocharger inspection and cleaning
  • Exhaust system inspection
  • Crankshaft and camshaft alignment check
  • Engine mount and vibration check
  • Electrical system inspection

Service intervals

oil_change1000-1500 hours
fuel_filter_replacement500-1000 hours
air_filter_replacement1000-2000 hours
coolant_change2000-3000 hours
turbocharger_inspection5000-10000 hours

Typical wear limits

cylinder_liner0.5-1.0 mm wear
piston_ring0.5-1.5 mm wear
crankshaft_bearing0.1-0.5 mm wear
exhaust_valve0.5-1.5 mm seat wear

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

Critical spares

  • Cylinder liners
  • Piston rings
  • Fuel pumps
  • Turbocharger components
  • Crankshaft bearings
  • Exhaust valves
  • Lubricating oil pumps

Safety

  • High-pressure fuel system leaks and fires
  • Electrical shock from faulty wiring or components
  • Crushing hazards from moving engine parts
  • Scalding from hot cooling system components

Class survey

Class surveyor typically checks engine performance, fuel consumption, and emissions compliance, as well as inspecting critical components such as cylinder liners, piston rings, and crankshaft bearings for wear and damage.

Estimated lifetime: 30000-50000 hours

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