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Daihatsu Diesel Aux

12-DC32 Gen

Auxiliary Engine (Generator Set) · Auxiliary Engines

Technical data from manufacturer or class sources · not yet verified by a person​‍​⁠​‌‌⁠⁠​‌⁠‌‌⁠‌⁠⁠​​
6,360 kWPower
12Cylinders
320 mmBore
400 mmStroke

Daihatsu Diesel Aux 12-DC32 Gen — Tier III, 12 cyl × 320mm bore, 750 rpm, HFO/MGO, 6360 kW.

Specifications

Technical data.reference — unverified

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ConfigurationL
Speed (rpm)750
Fuel TypeHFO/MGO
TechnologyTier III
Power (kW)6360
Inspection

Inspector Detail

Common issues

  • Excessive cylinder liner wear due to low lubrication oil quality
  • Fuel system contamination from HFO/MGO fuel switching
  • Turbocharger fouling from inadequate air filtration
  • Crankshaft bearing wear from misaligned engine foundations
  • Charge air leakages causing reduced engine performance
  • Exhaust valve seat wear from overheating

Inspection checklist

  • Cylinder head and valve condition
  • Piston ring and cylinder liner wear
  • Fuel injection system cleanliness and calibration
  • Lubrication oil quality and filter condition
  • Cooling system leaks and corrosion
  • Turbocharger condition and vibration
  • Exhaust gas boiler and economizer condition
  • Engine mounts and foundation alignment

Service intervals

oil_change1000-1500 hours
fuel_filter_replacement500-750 hours
air_filter_replacement1000-1500 hours
cylinder_liner_overhaul12000-15000 hours

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

Typical wear limits

cylinder_liner0.5-1.0 mm wear limit
piston_ring0.2-0.5 mm wear limit
crankshaft_bearing0.1-0.2 mm wear limit

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 nozzle tips
  • Turbocharger rotor and bearing assemblies
  • Crankshaft and camshaft bearings
  • Exhaust valve spindles and seats
  • Lubrication oil pumps and filters

Safety

  • Risk of fuel explosion from improper HFO/MGO fuel handling
  • Scalding from hot cooling system components
  • Electrical shock from faulty engine control systems

Class survey

Class surveyor typically checks engine performance, vibration, and emissions compliance with Tier III regulations, as well as verifies proper maintenance and record-keeping

Estimated lifetime: 30000-40000 hours

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