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Daihatsu Diesel Aux

8-DC32 Gen

Auxiliary Engine (Generator Set) · Auxiliary Engines

Technical data from manufacturer or class sources · not yet verified by a person​‍​⁠​‌‌⁠‍‍​‍​⁠‍​​⁠‌​
4,240 kWPower
8Cylinders
320 mmBore
400 mmStroke

Daihatsu Diesel Aux 8-DC32 Gen — Tier III, 8 cyl × 320mm bore, 750 rpm, HFO/MGO, 4240 kW.

Specifications

Technical data.reference — unverified

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ConfigurationL
Speed (rpm)750
Fuel TypeHFO/MGO
TechnologyTier III
Power (kW)4240
Inspection

Inspector Detail ✓ verified

Common issues

  • Excessive cylinder liner wear due to poor fuel quality
  • Fuel pump malfunction causing low fuel pressure
  • Turbocharger fouling due to inadequate maintenance
  • Lubricating oil contamination from coolant leakage
  • Crankshaft bearing wear due to misalignment or improper installation
  • Charge air leakage causing reduced engine performance
  • Exhaust valve seat wear due to overheating

Inspection checklist

  • Cylinder head and valve condition
  • Crankshaft and camshaft alignment
  • Fuel pump and injector condition
  • Turbocharger and charge air system
  • Lubricating oil and coolant condition
  • Exhaust system and silencer condition
  • Starting air system and compressor condition
  • Engine mounts and vibration isolators condition
  • Electrical and control system condition

Service intervals

oil_change1000-1500 hours
fuel_filter_replacement500-750 hours
air_filter_replacement1000-1500 hours
coolant_change2000-3000 hours
valve_clearance_adjustment2000-3000 hours

Typical wear limits

cylinder_liner0.5-1.0 mm oversize
piston_ring0.5-1.0 mm gap
crankshaft_bearing0.1-0.2 mm clearance
camshaft_bearing0.1-0.2 mm clearance

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

Critical spares

  • Cylinder liners and piston rings
  • Fuel injectors and nozzles
  • Turbocharger and charge air system components
  • Crankshaft and camshaft bearings
  • Lubricating oil and coolant pumps
  • Exhaust valve and seat components
  • Starting air compressor components

Safety

  • High-pressure fuel system leakage
  • Electrical shock from faulty control systems
  • Scalding from hot coolant or lubricating oil
  • Asphyxiation from inadequate ventilation

Class survey

The class surveyor will typically check the engine's compliance with Tier III emissions regulations, verify the proper installation and maintenance of critical components, and review the vessel's maintenance records to ensure adherence to recommended service intervals and procedures.

Estimated lifetime: 20000-30000 hours

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