"> Caterpillar MaK Marine Generator Set
OceanSphere
Engines
⚓ 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
Is Caterpillar MaK your company? Claim this page
Caterpillar MaK

Marine Generator Set

A Caterpillar MaK marine generator set combines a medium‑speed diesel engine with a brushless alternator to provide reliable auxiliary power for ships ranging from small vessels to large carriers.

Caterpillar MaK Marine Generator Set
200-10,000 kW
Capacity
400V-11kV
Voltage
Electrical Power Generation
Medium

Components & Design

Component data being added…

Technical Data

type Diesel Generator Set (Marine)
variant count approx 7
period start year 1970
drive type Diesel Engine + Generator
construction Medium-speed diesel engine, brushless alternator, base frame, vibration mounts

🤖 Ask about this model

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

Common failures & inspection points

●Fuel injector nozzle wear after 8,000-12,000 hrs
●Turbocharger bearing failure
●Generator bearing insulation breakdown
●AVR (Automatic Voltage Regulator) failure
●Governor hunting/instability

Service & Maintenance

Engine maintenance per Cat/MaK manual (oil change 500-1,000 hrs, injectors 8,000-12,000 hrs, top overhaul 24,000 hrs, major overhaul 48,000 hrs). Generator insulation test annually. AVR calibration annually.

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

Caterpillar global network. Lead time: 1-4 weeks for standard parts. Engine overhaul kits: 4-8 weeks.
Working on this unit?
Log hours, photos and findings into an invoice-ready service report — OceanSphere Marine, 14-day free trial.
Need a service partner for Caterpillar MaK?
114,000+ shipyards, suppliers and service companies in the Maritime Network directory.
Equipment Model #37969 · ✓ still in production