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
Japan Engine Corporation

UEC42LSH-Eco-D3

J-ENG UEC42LSH-Eco-D3 electronically controlled low-speed engine, successor generation for handysize merchant vessels.

Per Hersteller-Datenblatt
Capacity
HFO/MDO/MGO/VLSFO
Medium

Engine Specifications

420 mm
Bore
2-stroke
Stroke Type

Components & Design

Component data being added…

Technical Data

🤖 Ask about this model

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

Common failures & inspection points

Exhaust valve leakage
Fuel injection component fouling
Cylinder liner corrosion
Piston ring deposits

Service & Maintenance

Follow J-ENG Eco engine PMS. Slow-steaming operation requires careful cylinder lubrication and scavenge condition monitoring.

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

Maintain exhaust valves, fuel injection components, piston rings, cylinder cover seals and electronic/hydraulic control spares.
Equipment Model #36789 · ✓ still in production