Yanmar 6LY2A-STP Marine Inboard Diesel Engine 440hp

DescriptionNew Yanmar 6LY2A-STP Marine Inboard Diesel Engine 440HP For SaleThe Yanmar 6LY2A-STP Marine Inboard Diesel Engine 440HP is a proven high-performance propulsion system built for vessel owners who need strong acceleration, dependable offshore reliability, and long-term durability in demanding marine environments. Commonly used in sport fishing boats, express cruisers, patrol boats, fast leisure yachts, and repower projects, this engine delivers exceptional power in a compact inline-six platform.If you are researching the latest Yanmar 6LY2A-STP price or looking for a Yanmar 6LY2A-STP for sale, this model remains one of the most trusted engines in Yanmar’s legendary 6LY lineup due to its strong power-to-weight ratio and proven offshore performance.At Yanmar Marine Experts, we supply premium yanmar diesel motors for buyers seeking reliable propulsion systems with strong resale value and dependable long-term performance.Built on Yanmar’s trusted 6LY platform, this marine yanmar engine remains popular among operators who need strong torque delivery without sacrificing valuable engine room space.Key Features of Yanmar 6LY2A-STP Marine Diesel Engine440HP maximum outputTurbocharged and intercooled performanceDirect injection fuel systemMechanical control systemStrong acceleration for planing vesselsExcellent fuel efficiencyCompact inline-six designReliable offshore cruising capabilityIdeal for repower projectsProven recreational and light commercial performanceThis engine remains a strong option for buyers researching dependable yanmar engines for sale for performance-focused vessels.Compatible Gearboxes & Propulsion SystemsThe Yanmar 6LY2A-STP Marine Inboard Diesel Engine 440HP 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. boating engine guides We help buyers select the proper reduction ratio, gearbox configuration, and complete propulsion package based on vessel design and operational requirements before shipment.Technical SpecificationsTechnical SpecificationValueEngine ModelYanmar 6LY2A-STPEngine Series6LY SeriesMaximum Output440HP (324 kW)Rated Speed3,300 RPMContinuous Output350HP (257 kW)Engine Type4-stroke vertical water-cooled diesel engineNumber of Cylinders6 cylindersDisplacement5.813LBore x Stroke106 mm x 110 mmFuel SystemDirect InjectionAspirationTurbocharged & IntercooledControlsMechanicalStarting SystemElectric StartAlternator12V – 80ACooling SystemFreshwater coolingDry WeightApprox. 535 kgDimensions1428 mm x 692 mm x 736 mmDrive TypeInboard Shaft DriveRecommended ApplicationsSport fishing boats, cruisers, patrol boatsComplianceRCD 1, IMO Tier 2, EMC, SOLASThese specifications are based on official Yanmar technical documentation.Standard Manufacturer Package IncludesAll engines supplied by Yanmar Marine Experts are brand-new bobtail units and typically include factory wiring components, engine documentation, owner manuals, installation manuals, flexible mounts, and standard manufacturer accessories.Optional upgrades may include additional control stations and complete transmission packages.Compliance & CertificationsThe Yanmar 6LY2A-STP Marine Inboard Diesel Engine 440HP is built to meet applicable emissions and safety regulations depending on destination market requirements.Applicable certifications include:RCD 1IMO Tier 2EMCSOLASEngine AvailabilityWe maintain access to available inventory through our internal stock and global dealer network. Availability may vary depending on production schedules and market demand.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.Global 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. boating maintenance guideFrequently Asked QuestionsIs the Yanmar 6LY2A-STP 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, its compact footprint makes it highly suitable for 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 6LY2A-STP 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.