Main Engine 4-Stroke · Main Engines (4-Stroke)
The Caterpillar 6LC9.3 is a medium‑speed, 6‑cylinder inline (L‑configuration) diesel engine delivering about 390 kW at 2 200 rpm, designed for main propulsion or auxiliary power on small to midsize 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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