Yanmar 6AYM-ET Marine Inboard Diesel Engine 800hp
$80,988.00
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Description
New Yanmar 6AYM-ET Marine Inboard Diesel Engine 800HP For Sale
The Yanmar 6AYM-ET Marine Inboard Diesel Engine 800HP is engineered for vessel owners who require serious offshore horsepower, long-term durability, and dependable commercial-grade performance. Designed for sportfishing yachts, patrol vessels, commercial fishing fleets, passenger boats, and demanding repower projects, this engine delivers strong acceleration and reliable operation for larger marine applications.
If you are searching for a Yanmar 6AYM-ET for sale, this high-performance engine remains a preferred choice for buyers looking for dependable propulsion systems within Yanmar’s heavy-duty lineup.
At Yanmar Marine Experts, we supply premium yanmar diesel marine engines for buyers seeking reliable offshore propulsion backed by technical expertise and global logistics support.
Built on Yanmar’s proven 6AYM platform, this yanmar inboard diesel marine solution is trusted for commercial operations and high-performance recreational vessels that require dependable long-range cruising capability. boating engine guides
Key Features of Yanmar 6AYM-ET Marine Diesel Engine
- 800HP maximum output
- Turbocharged and aftercooled performance
- Strong low-end torque delivery
- Direct fuel injection system
- Built for heavy-duty offshore operation
- Excellent long-distance cruising efficiency
- Reliable in demanding marine environments
- Ideal for repower applications
- Durable inboard propulsion design
This model remains a strong option for buyers researching dependable yanmar boat engines for larger vessels.
Compatible Gearboxes & Propulsion Systems
The Yanmar 6AYM-ET Marine Inboard Diesel Engine 800HP can be matched with complete propulsion packages depending on your vessel requirements, including:
- Yanmar Gearboxes
- Yanmar Powerboat Gears
- ZF Gearboxes
Our team helps buyers select the proper transmission ratio, shaft configuration, and propulsion setup based on vessel size and performance goals.
Technical Specifications
| Technical Specification | Value |
|---|---|
| Engine Model | Yanmar 6AYM-ET |
| Engine Series | 6AYM Series |
| Engine Type | 4-stroke vertical water-cooled diesel engine |
| Maximum Output | 800HP (588 kW) |
| Rated Speed | 2,300 RPM |
| Number of Cylinders | 6-cylinder inline |
| Displacement | 8.24L |
| Bore x Stroke | 112 mm x 110 mm |
| Aspiration | Turbocharged & Aftercooled |
| Fuel System | Direct Injection |
| Cooling System | Freshwater cooling with heat exchanger |
| Starting System | Electric Start |
| Alternator Output | 24V |
| Dry Weight | Approx. 1,020 kg |
| Duty Rating | Heavy-duty marine operation |
| Drive Type | Inboard shaft drive |
| Gearbox Compatibility | Yanmar / ZF marine transmissions |
| Recommended Vessel Type | Yachts, patrol vessels, fishing boats |
| Fuel Type | Marine Diesel |
| Compliance | EPA / IMO standards |
Standard Manufacturer Package Includes
All engines supplied by Yanmar Marine Experts are brand-new bobtail units and typically include factory documentation, owner manuals, wiring harness components, installation manuals, standard manufacturer accessories, and pre-delivery inspection documentation.
Optional transmission systems and control packages are available based on your vessel requirements.
Compliance & Certifications
The Yanmar 6AYM-ET Marine Inboard Diesel Engine 800HP is manufactured to meet applicable marine regulations depending on destination requirements. EPA marine emissions standards
Applicable standards may include:
- EPA Marine Emissions Standards
- IMO regulations
- Regional marine certifications
- Manufacturer production standards
Engine Availability
We maintain access to available inventory through our internal stock and global dealer network. Availability may vary based on demand.
Warranty Coverage
All new Yanmar engines include standard manufacturer warranty support. Our team also assists buyers with warranty registration, technical documentation, and pre-delivery inspection support.
Global Shipping
We ship worldwide through our logistics network using secure export packaging and complete documentation support. Shipping options 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 transit timelines depend on your destination country and current inventory availability.
Frequently Asked Questions
Is this engine currently available?
Available inventory can be confirmed through our sales team.
Can this engine be supplied with a gearbox?
Yes, compatible Yanmar Gearboxes and ZF Gearboxes are available.
Is this suitable for commercial use?
Yes, this model is commonly used in commercial marine applications.
Do you ship internationally?
Yes, we coordinate worldwide delivery.
How do I request pricing?
Contact our team for the latest Yanmar 6AYM-ET price and current availability.
Request a Quote
Contact Yanmar Marine Experts today to secure the Yanmar 6AYM-ET Marine Inboard Diesel Engine 800HP for your vessel. We provide global shipping, gearbox matching, warranty support, and complete propulsion solutions.


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