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18V51/60DF Ammonia

Main Engine 4-Stroke · Main Engines (4-Stroke)

Class-certified type (DNV register) · technical data sheet not yet verified​‌⁠‍‌‌‌​​⁠⁠‌​‍​‍⁠‌‌​
19,800 kWPower
18Cylinders
510 mmBore
600 mmStroke

The MAN 18V51/60DF Ammonia is an 18‑cylinder V‑type, four‑stroke marine diesel engine delivering up to 19 800 kW at 500 rpm, capable of running on ammonia or conventional MDO with seamless fuel switching.

Specifications

Technical data.reference — unverified

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Swept Volume per Cylinder122.6 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 CycleFour-Stroke
Emissions ComplianceIMO Tier II, IMO Tier III (Gas & Diesel+SCR modes)
Fuel FlexibilitySeamless switching between gas/liquid during operation
Power (kW)19800
Speed (rpm)500
Fuel TypeAmmonia/MDO (Dual-Fuel)
ConfigurationV
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