⚓ 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
🔧 79 verified suppliers & service companies for Wärtsilä in the Maritime Network
Find suppliers →
Wärtsilä
8LW46DF
The Wärtsilä 8LW46DF is an eight‑cylinder, medium‑speed (600 rpm) dual‑fuel diesel engine delivering about 5 280 kW, capable of running on LNG or HFO with direct twin‑pump injection and turbocharging with intercooling.
5280.0 kW
Power
Engine Specifications
8
Cylinders
460 mm
Bore
580 mm
Stroke
4-stroke
Stroke Type
Components & Design
Component data being added…
Technical Data
Hubraum pro Zylinder
96,4 Liter
Leistung pro Zylinder (46F)
1200 kW @ 600 rpm
SFOC (Specific Fuel Oil Consumption)
170-173 g/kWh ISO
Ventile
2 inlet valves, 2 exhaust valves per cylinder
Kraftstoffeinspritzung
Direkte Einspritzung (Twin-Pump)
Aufladung
Turbolader mit Ladeluftkühlung
Betriebsstunden Feldhistorie
7,200,000+ hours since 2004
Gewicht 6L46
95 Tonnen
Gewicht 12V46F
177 Tonnen
Gewicht 16V46
214 Tonnen
power kw
5280
rpm
600
fuel type
LNG/HFO (Dual-Fuel)
configuration
L
🤖 Ask about this model
One free question — answered like a marine engineer. No account needed.
Common failures & inspection points
Failing exhaust valves due to corrosion on valve stem, caused by inferior fuel quality. A documented case: all four valves fractured
Turbocharger damage from debris from valve failures. Secondary damage from exhaust valve leakage that introduces cooling water into cylinder (identifiable
Cylinder liner wear and scoring: inspections required every 4–8 weeks, regular measurement of ring coating thickness and groove tightness. Early detec
Piston crown wear: measurement of piston crown and shaft height necessary to determine replacement. Inspection required if piston falls below scavenge port
Engine bearing monitoring: continuous temperature monitoring of lubricant and crankshaft bearings necessary. Three-section engine design enables p
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 & 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 →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 Wärtsilä?
114,000+ shipyards, suppliers and service companies in the Maritime Network directory.
Equipment Model #123185
· ✓ still in production
Wer liefert dieses Teil? 226 Betriebe im Verzeichnis · 15 aus Herstellerlisten
Wartsila Ships Repairing & Maintenance LLC (Repairs and Services only)
NoneUnited Arab Emirates
✓ autorisiert
Chongqing Chuanqing Marine Power Equipment Co., Ltd.
Chongqing, China
FM-Power Serviços e Peças
Rio de Janeiro, Brazil
MARE Supply & Services
Haarlem, Netherlands
Marine Ecology Equipment OÜ
Tallinn, Estonia
Weitere aus Hersteller- und Marktplatzverzeichnissen:
Global Services (Europe) Ltd · United KingdomA. Nobel en Zn. - Filtration & Separation B.V. (Headquarters) · NetherlandsBaltic Spares Service Ltd · PolandCimar S.R.L. Industrial and Maritime Consulting Trading and Services · ItalyDallaserra Ridderkerk Spares BV · NetherlandsGulf Marine Tech (GMT) · United Arab EmiratesHARBOR EAGLE GEMICILIK ANONIM SIRKETI · TurkeyHyosung Marine Co., Ltd. · South KoreaMSHS Pacific Power Group · United StatesMabax Global Limited · NigeriaPK OEM Parts B.V. · NetherlandsS KELEPOURAS & CO · Greece