Yanmar 6LT720 Marine Inboard Diesel Engine 720hp

DescriptionNew Yanmar 6LT720 Marine Inboard Diesel Engine 720HP For SaleThe Yanmar 6LT720 Marine Inboard Diesel Engine 720HP is built for vessel owners who require maximum offshore performance, strong torque delivery, and dependable long-range cruising reliability. Commonly used in sport yachts, luxury tenders, high-performance center consoles, patrol boats, fast cruisers, and light commercial vessels, this engine delivers serious horsepower while maintaining a compact inboard footprint.If you are researching the latest Yanmar 6LT720 price or looking for a Yanmar 6LT720 for sale, this engine remains a premium option for buyers seeking high-output propulsion systems for demanding marine applications.At Yanmar Marine Experts, we supply premium yanmar diesel marine engine solutions for buyers looking for advanced electronic controls, lower emissions, and dependable offshore performance.Built for planing and semi-planing hulls, this yanmar engines for sale option delivers strong acceleration, improved fuel efficiency, and smooth vessel handling for performance-focused operators.Key Features of Yanmar 6LT720 Marine Diesel Engine720HP maximum outputHigh-performance common rail fuel systemTurbocharged and intercooled platformElectronic engine management systemStrong acceleration for high-speed vesselsCompact installation footprintReduced vibration and quieter operationExcellent fuel efficiencyIdeal for repower projectsAdvanced digital vessel integrationThis engine remains a strong option for buyers researching dependable marine engines yanmar for larger performance vessels.Compatible Gearboxes & Propulsion SystemsThe Yanmar 6LT720 Marine Inboard Diesel Engine 720HP can be paired with compatible propulsion systems based on your vessel configuration and performance goals. Common options include Yanmar Gearboxes, Yanmar Powerboat Gears, and ZF Gearboxes for shaft drive applications.We help buyers select the proper reduction ratio, control package, and complete propulsion setup based on hull design and operational requirements before shipment.Technical SpecificationsTechnical SpecificationValueEngine ModelYanmar 6LT720Engine TypeIn-line, 4-stroke vertical water-cooled diesel engineMaximum Output720HP (530 kW)Rated Speed2,300 RPMContinuous Rating550HP (405 kW)Number of Cylinders6 cylindersDisplacement11.7LBore x Stroke127 mm x 154 mmFuel SystemDirect InjectionAspirationTurbocharged & Charge Air CooledEngine ManagementElectronicStarting SystemElectric Start 24VAlternator24V – 65ACooling SystemFreshwater cooling with seawater pumpDry WeightApprox. 1,150 kgDrive TypeInboard Shaft DriveRecommended ApplicationsSport yachts, patrol boats, fast cruisersComplianceEPA Tier 2, EU RCD, BSO II, EMCSpecifications based on available Yanmar technical documentation for the 720HP platform.Standard Manufacturer Package IncludesAll engines supplied by Yanmar Marine Experts are brand-new bobtail units and typically include electronic controls, LCD display, backup throttle control system, factory wiring components, owner manuals, installation documentation, and standard manufacturer accessories.Optional upgrades may include additional control stations, custom transmission packages, and secondary alternator options depending on vessel requirements.Compliance & CertificationsThe Yanmar 6LT720 Marine Inboard Diesel Engine 720HP is built to meet applicable emissions and safety regulations for recreational and commercial applications.Applicable certifications may include:EPA Tier 2EU RCDBSO IIEMCEngine AvailabilityWe maintain access to available inventory through our internal stock and global dealer network. Availability may vary depending on production schedules and market demand. EPA marine emissions standards Warranty CoverageAll new Yanmar engines supplied by Yanmar Marine Experts include a standard 2-year manufacturer warranty for eligible recreational and commercial applications.Qualified buyers may also be eligible for an additional 3 years extended warranty coverage, depending on engine model, usage classification, and compliance with manufacturer maintenance requirements.Our team also assists customers with warranty registration, pre-delivery inspection documentation, and technical support before shipment.  marine ownership resourcesGlobal ShippingWe ship worldwide through our logistics network using secure export packaging and complete documentation support. Shipping can be arranged under EXW, CIF, or CFR terms depending on your preferred delivery structure. Once your order is confirmed, processing begins immediately while final delivery timelines depend on your destination and inventory availability.Frequently Asked QuestionsIs the Yanmar 6LT720 currently available?Available inventory can be confirmed through our sales team.Does it come with a gearbox?Compatible Yanmar Powerboat Gears and ZF Gearboxes are available depending on your vessel setup.Is this engine good for repower projects?Yes, this engine is commonly used for high-performance repower projects.Do you ship internationally?Yes, we coordinate worldwide delivery and export documentation.How do I request pricing?Contact our team for the latest Yanmar 6LT720 price and current availability.Request a QuoteContact Yanmar Marine Experts today to request pricing for your preferred Yanmar marine engine.To help us prepare the most accurate quotation and ensure the correct engine configuration before shipment, please provide your:Vessel typeCurrent engine model (for repower projects)Preferred gearbox modelPreferred gearbox ratioDelivery locationPurchase timelineOur team can assist with engine availability, compatible Yanmar Gearboxes, Yanmar Powerboat Gears, ZF Gearboxes, export documentation, global shipping coordination, pre-delivery inspection, and warranty registration support before delivery.