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Wärtsilä
12VW46DF-GS-50Hz
The Wärtsilä 12VW46DF‑GS is a V‑12, 4‑stroke dual‑fuel (LNG/HFO) auxiliary engine delivering up to 7 680 kW (engine) and integrated as a 7 296 kW generator set for 50 Hz shipboard power.
7680.0 kW
Power
Engine Specifications
12
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
7680
rpm
750
fuel type
LNG/HFO (Dual-Fuel)
configuration
V
genset kw
7296
genset kva
9120
frequency hz
50
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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
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Equipment Model #125042
· ✓ still in production
Wer liefert dieses Teil? 194 Betriebe im Verzeichnis · 15 aus Herstellerlisten
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
OSM International
Miami, United States
Qinhuangdao Hy Marine Machinery Equipment Co., Ltd.
Qinhuangdao, China
World Marine Automation System
Busan, South Korea
2K Shipping & Trading Ltd
Kayaboyun, Turkey
A & D Sales Ltd
Skelmersdale, United Kingdom
ALME MARINE SA
Greece
ANEXUS
Barcelona, Spain
Abhi Marine Pvt. Ltd.
Mumbai, India
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