"> Caterpillar C7.1 Marine Generator Set
⚓ Working on this equipment?
Ask the AI troubleshooter, log your hours on board and turn them into invoice-ready service reports — for this exact model.
Start free — 14 days →
No credit card required
🔧 100 verified suppliers & service companies for Caterpillar in the Maritime Network Find suppliers →
Caterpillar

C7.1 Marine Generator Set

The Caterpillar C7.1 marine generator set is a medium‑speed, 6‑cylinder inline diesel engine delivering 1500 rpm, 50 Hz power for shipboard electricity, available as a shaft‑generator or PTO driven unit.

Caterpillar C7.1 Marine Generator Set
150.0 kW
Power
Per ship electrical load analysis
Capacity
Diesel/MDO/MGO
Medium

Components & Design

Component data being added…

Technical Data

engine model C7.1
configuration inline
displacement l 7.01
rpm 1500
frequency hz 50

🤖 Ask about this model

One free question — answered like a marine engineer. No account needed.

Common failures & inspection points

Aftercooler fouling causing high charge-air temperature
Injector wear causing hard starting and smoke
Raw-water pump seal leakage on seawater-cooled installations

Service & Maintenance

Follow Caterpillar marine maintenance schedule. Typical routine service includes engine oil and filter change around 250-500 operating hours depending on duty and oil analysis; valve lash inspection at scheduled interval; cooling system and aftercooler inspection periodically.

Suppliers & Spare Parts

Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.

📄 Request sourcing links & documents
🛠 Manage this equipment in your fleet

Cases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.

Start free trial →
🔎 Suppliers & service for this equipment

Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.

Maritime Network →

Replacement Parts

Keep oil filters, fuel filters, seawater pump impeller or kit, belts, thermostat, injector sealing kits and starter/alternator spares depending on vessel redundancy.
Equipment Model #36868 · ✓ still in production