Auxiliary Engine (Generator Set) · Auxiliary Engines
This marine propulsion equipment falls under the category of large marine diesel engines. The MaK (Caterpillar) 12VM46DF-GS-50Hz is a powerful engine designed for marine applications, featuring a dual-fuel capability that supports both LNG and HFO. With a bore of 460 mm and a stroke of 610 mm, the engine delivers a total power output of 7680 kW at 750 rpm, making it suitable for demanding maritime operations. The engine's configuration is a V-type with 12 cylinders, and it operates on a four-stroke cycle. The engine complies with IMO Tier II standards in diesel mode and IMO Tier III standards in gas mode, ensuring environmental compliance. Common maintenance checks include verifying the functional relief valve systems on fuel gas manifolds and exhaust to prevent back-fire and misfire risks, inspecting crankshaft bearing thermoelectric voltage, and examining cylinder liner wear and turbocharger blade erosion to ensure optimal performance and longevity.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
Free of charge — send us your request for MaK (Caterpillar) equipment. Our team checks it and replies by e-mail.
Other models of the same equipment type, MaK (Caterpillar) first.
Tell us what you need for this MaK (Caterpillar) 12VM46DF-GS-50Hz — a part, a service call, a second opinion. Are you MaK (Caterpillar)? Claim this brand page.
Service engineer? Write the day report for this 12VM46DF-GS-50Hz in OceanSphere Work — photos, hours and parts, as a PDF for the owner. Try it free for 14 days →
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.
Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.
Send us the nameplate or the correct value. We check it against the manufacturer datasheet or class-society record and update the page.