"> Northern Lights M944LW3-60Hz
⚓ 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
🔧 6 verified suppliers & service companies for Northern Lights in the Maritime Network Find suppliers →
Northern Lights

M944LW3-60Hz

The Northern Lights M944LW3-60Hz is a compact 20 kW, 4‑stroke diesel generator set designed to supply auxiliary power (hotel load) on small to medium vessels, operating at 1800 rpm on marine diesel oil. The supplied category identifies it as Auxiliary Engine (Generator Set), and it is normally installed in the engine room as a generator prime mover or other ship-service auxiliary engine. In that role, its primary purpose is to provide mechanical power for electrical generation or another auxiliary shipboard duty. Generator-set versions are integrated with an alternator and electrical protection, while standalone auxiliary engines may drive other machinery; both use the same core diesel support systems. Within the supplied list, neighbouring variants are distinguished by their model designations and naming, while the source does not state further model-specific hardware differences. No additional performance, approval or construction detail is inferred from the model code beyond the information supplied in the source record. For exact ratings, dimensions, settings, capacities, materials and variant-specific limits, refer to the manufacturer documentation for the exact figure.

Components & Design

Component data being added…

Technical Data

genset kw 20
genset kva 25.0
frequency hz 60
fuel type MDO
rpm 1800

🤖 Ask about this model

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

Common failures & inspection points

Fuel-injection or combustion faults cause smoke, unstable speed, poor load acceptance or high exhaust temperature
Lubrication or bearing problems cause low oil pressure, metal debris, rising temperature or shutdown
Cooling-system restriction or leakage causes high coolant temperature and repeated thermal alarms
Turbocharger or charge-air fouling causes smoke, slow load response and elevated exhaust temperature
Governor, speed-sensor, starter or control faults cause difficult starting, frequency instability or failed automatic operation

Service & Maintenance

Inspect fuel, lubrication, cooling, intake, exhaust, turbocharging, starting, governor and shutdown systems. Trend oil pressure, coolant and exhaust temperatures, speed stability and load response. On generator sets, also review alternator and breaker behaviour. Refer to the manufacturer documentation for the exact figure for clearances, pressures, temperatures and service limits.

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

Carry fuel and oil filters, belts where fitted, injector and valve service parts, starter components, sensors, cooling seals, gaskets and approved lubricants.
Equipment Model #124907 · ✓ still in production