20VC175-20-GS-50Hz
The Caterpillar 20VC175-20-GS-50Hz is a V‑20, 175 mm bore dual‑fuel auxiliary engine delivering up to 3 700 kW (≈4 400 kVA) for shipboard power generation, with the ability to run on marine diesel oil or LNG.
Engine Specifications
Components & Design
Component data being added…
Technical Data
Related equipment 10
🤖 Ask about this model
One free question — answered like a marine engineer. No account needed.
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.
Suppliers & Spare Parts
Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.
📄 Request sourcing links & documentsCases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.
Start free trial →Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.
Maritime Network →Need spare parts for this model?
We know 12+ companies supplying Caterpillar Marine 20VC175-20-GS-50HZ. Tell us what you need — we obtain the quotations for you.