Main Engine 4-Stroke · Main Engines (4-Stroke)
The Daihatsu 6L6DK28 is a six‑cylinder, inline marine diesel main engine delivering 2 160 kW at 750 rpm, featuring common‑rail direct injection, turbocharging and intercooling for flexible HFO/MGO operation.
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| oil_change | every 250-500 hours |
|---|---|
| fuel_filter_change | every 500-1000 hours |
| air_filter_change | every 1000-2000 hours |
| coolant_change | every 2000-5000 hours |
| major_overhaul | every 15000-20000 hours |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
| cylinder_liner | 0.5-1.0 mm wear limit |
|---|---|
| piston_ring | 0.5-1.0 mm wear limit |
| connecting_rod_bearing | 0.1-0.5 mm wear limit |
| crankshaft_bearing | 0.1-0.5 mm wear limit |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
The class surveyor will typically check the engine's overall condition, including the cylinder head, piston, and cylinder liner condition, as well as the fuel and lubrication systems. They will also verify that the engine is properly maintained and that all necessary repairs and replacements have been made.
Estimated lifetime: 20000-30000 hours
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