Main Engine 4-Stroke · Main Engines (4-Stroke)
The Doosan 9LH17/28 is a medium‑speed, 9‑cylinder inline (L‑configuration) trunk‑piston diesel engine delivering about 1 260 kW at 1 000 rpm, designed for reliable propulsion on small to medium sized vessels.
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What our service work and the manufacturer documentation say about keeping this model running.
Trend oil pressure, coolant temperature, exhaust temperatures, load balance, vibration and crankcase condition. Inspect fuel equipment, filters, coolers, valves, turbocharger, mounts and safety shutdowns according to the maintenance plan. Investigate persistent cylinder imbalance, oil debris or coolant leakage promptly. Refer to the manufacturer documentation for the exact figure for valve, bearing, injection and wear limits.
Carry fuel and oil filters, injector service parts, valve-train and gasket items, cooling-system seals, sensors, belts where fitted and critical bearing or turbocharger consumables.
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