16V VM46DF
The Caterpillar MaK 16V VM46DF is a high‑speed, V‑16, dual‑fuel marine diesel engine delivering ~14 MW (≈19 000 hp) at 500–514 rpm, capable of running on LNG, HFO or MGO with low emissions in gas mode.
Engine Specifications
Components & Design
Component data being added…
Technical Data
Related equipment 10
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Common failures & inspection points
Verify functional relief valve systems on fuel gas manifolds and exhaust; check valve set pressure calibration annually
Inspect crankshaft bearing thermoelectric voltage via Caterpillar Bearing Condition Monitoring System; examine bearing shells for lead precipitation and surface wear patterns
Measure cylinder liner wear with inside micrometer; inspect piston ring grooves for cracks; perform borescope inspection of turbocharger turbine for blade erosion or damage
Test LNG regulator pressure response and heater thermostat setpoint; inspect heat exchanger for blockages; verify glycol system circulation and temperature control
Type-general inspection and maintenance points for this equipment category — not model-specific.
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