MAN Energy Solutions
MAN 35/44DF
MAN Energy Solutions L35/44DF Dual-Fuel Four-Stroke Marine Engine — Viertakt-Marinediesel, Bohrung 350 x Hub 440 mm, 750 rpm (GenSet), 720 rpm (auxiliary) rpm, 3180–5300 kW (6L–10L @ 750 rpm). Brennstoff: Natural gas (LNG/CNG), HFO, MDO, MGO, diesel pilot; L35/44DF CD methanol-ready 2026. Status: Production (L35/44DF CR active since 2015; L35/44DF CD launched 2023, deliveries 2024+). Verifiziert, Datenblatt verlinkt.
Engine Specifications
350 mm
Bore
440 mm
Stroke
🔧 Komponenten & Aufbau
Component data being added…
📊 Technische Daten
rpm
720
configuration
L
fuel type
LNG/HFO/MGO
technology
Dual-Fuel Common Rail (LNG/HFO/MGO)
needs verification
False
catalog added at
2026-05-22T14:04:40
confidence
high
verified specs
{'Displacement per cylinder': '42.3 liters', 'Power per cylinder @ 750 rpm': '530 kW (L35/44DF standard); 560 kW (L35/44DF CD)', 'MEP (Mean Effective Pressure)': '20.0–20.1 bar', 'SFOC liquid fuel @ 85% MCR': '175.5 g/kWh', 'SFC gas operation': '7440 kJ/kWh', 'Dry mass – 6L/7L/8L/9L/10L': '40.5 / 45.6 / 50.7 / 55.0 / 59.7 tonnes', 'Methane slip reduction (CD variant)': '85% vs. industry standard', 'Emissions compliance': 'IMO Tier II (diesel) / Tier III (gas)'}
bore mm v
350
stroke mm v
440
rpm v
750 rpm (GenSet), 720 rpm (auxiliary)
fuel v
Natural gas (LNG/CNG), HFO, MDO, MGO, diesel pilot; L35/44DF CD methanol-ready 2026
status v
Production (L35/44DF CR active since 2015; L35/44DF CD launched 2023, deliveries 2024+)
datasheet url
https://www.man-es.com/docs/default-source/document-sync/man-l35-44df43e5738b66d943f7819681882f4e9dac.pdf
sources
['https://www.man-es.com/marine/products/four-stroke-engines/', 'https://www.turbomachinerymag.com/view/man-energy-solutions-duel-fuel-l35-44df-cd-genset-passes-type-approval-test', 'https://www.sciencedirect.com/science/article/abs/pii/S0191261525000967', 'http://www.soarpower.com/pdf/MAN.DF.Prop.Engine.L35-44DF.pdf', 'https://www.powertraininternationalweb.com/marine/dual-fuel-dredger-man-35-44df/', 'https://safety4sea.com/lng-as-marine-fuel-understanding-the-main-causes-of-methane-slip/']
⚠️ Typische Ausfälle
- ● _hinweis
- ● items
📦 Verschleißteile
Spare parts data being added…
📚 Manuals
- datasheet
Equipment-Model #66686
· ✓ still in production