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MAN Energy Solutions

MAN L51/60DF

Discover our highly reliable 2- & 4-stroke engines. Plus propeller & aft equipment ✓ turbochargers ✓ digitalization ✓ cryogenic technologies ✓ Find out more here.

MAN Energy Solutions MAN L51/60DF
Per Hersteller-Datenblatt
Capacity
HFO / VLSFO / MGO
Medium

Components & Design

Component data being added…

Technical Data

Swept Volume per Cylinder 122.6 dm³
Output per Cylinder (MCR) 1050 kW @ 500-514 rpm
Diesel Fuel Consumption (85% MCR) 176 g/kWh
Gas Mode Consumption (85% MCR) 7150 kJ/kWh
Dry Mass - 12V51/60DF (Propulsion) 189 t
Dry Mass - 18V51/60DF (Propulsion) 265 t
Engine Cycle Four-Stroke
Emissions Compliance IMO Tier II, IMO Tier III (Gas & Diesel+SCR modes)
Fuel Flexibility Seamless switching between gas/liquid during operation

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Common failures & inspection points

Lubricating Oil System Contamination: Extended operation with activated contamination display can lead to lube oil supply problems; running-in filter must be re
Piston Temperature Management: Crown scuffing risk if operating conditions cause thermal expansion to reduce piston-liner clearance; typically from over-fueling
Gas Fuel System Integrity: Dual-fuel systems require strict maintenance of gas supply cleanliness and pressure relief systems; hydrocarbon sensor monitoring ess
Turbocharger Boost Management: Stock turbocharger limitations at low-speed regions can compromise fuel consumption and combustion mode performance in dual-fuel
Cross-Head Bearing Maintenance: While MAN V51/60DF features optimized marine-head design for reduced service downtime, proper oil film maintenance and periodic

Type-general inspection and maintenance points for this equipment category — not model-specific.

Service & Maintenance

Wartung per Hersteller-Handbuch und Klassifikationsgesellschafts-Anforderungen. Jährliche Inspektion bei Class Survey. Ersatzteile per Herstellerangabe bevorraten.

Suppliers & Spare Parts

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Replacement Parts

Ersatzteile über MAN Energy Solutions SE oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.
Equipment Model #1743 · ✓ still in production