OceanSphereFree accountLog inDEENPL
OceanSphereENGINES
Library› Engine Room› Auxiliary Engines› Auxiliary Engine (Generator Set)› MAN Energy Solutions 18V51/60DF-GS-50Hz

18V51/60DF-GS-50Hz

Auxiliary Engine (Generator Set) · Auxiliary Engines

Class-certified type (DNV register) · technical data sheet not yet verified
20,700 kWPower
18Cylinders
510 mmBore
600 mmStroke

The MAN 18V51/60DF-GS-50Hz is an 18‑cylinder V‑type marine auxiliary engine delivering up to 19.7 MW of electrical power, capable of running on LNG (dual‑fuel) or HFO with seamless fuel switching.

Specifications

Technical data.from datasheet

Every value below comes from the manufacturer datasheet or class-society record on file for this model.

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)20700
Speed (rpm)750
Fuel TypeLNG/HFO (Dual-Fuel)
ConfigurationV
Genset Output (kW)19665
Genset Output (kVA)24581
Frequency (Hz)50
📄
Download datasheet (PDF) (431 KB)
Need this part?

Request a quote for this model.

Free of charge — send us your request for MAN Energy Solutions equipment. Our team checks it and replies by e-mail.

Makers and authorised dealers rarely quote marine equipment without the vessel. With these details we can check availability and prices faster; without them we may have to ask first, which can cost a few days. If you cannot share the vessel, a photo of the equipment’s rating plate does the same job — attach it below or send it as a reply to our confirmation e-mail.

Your contact details are not published. No account required.
Related models

Also in Auxiliary Engine (Generator Set).

Other models of the same equipment type, MAN Energy Solutions first.

By manufacturer CaterpillarMAN Energy SolutionsWärtsiläScaniaVolvo PentaMaK (Caterpillar)CumminsDeereHanshinPerkinsDaihatsuBaudouinMTUYanmarWeichaiAll manufacturersSpare parts by equipmentNew here? Create a free account Can't read the plate? Try the nameplate scanner All MAN Energy Solutions models More like 18V51/60DF-GS-50Hz
Would you like to know more?

A person reads every request and replies by e-mail.

Tell us what you need for this MAN Energy Solutions 18V51/60DF-GS-50Hz — a part, a service call, a second opinion. Are you MAN Energy Solutions? Claim this brand page.

Service engineer? Write the day report for this 18V51/60DF-GS-50Hz in OceanSphere Work — photos, hours and parts, as a PDF for the owner. Try it free for 14 days →

Frequently asked

Three things people ask first.

Is this model's data free?

Yes. Specifications, documents and service notes for this model are readable without an account. An account adds saved searches and requests, nothing is taken away.

Can you find a part for this exact model?

Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.

The specifications look wrong — what now?

Send us the nameplate or the correct value. We check it against the manufacturer datasheet or class-society record and update the page.