Yanmar 6LT740 Marine Inboard Diesel Engine 740hp
$70,888.00
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Description
New Yanmar 6LT740 Marine Inboard Diesel Engine 740HP For Sale
The Yanmar 6LT740 Marine Inboard Diesel Engine 740HP is built for vessel owners who demand maximum offshore performance, faster cruising speeds, and dependable long-range 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 6LT740 price or looking for a Yanmar 6LT740 for sale, this engine remains a premium choice for buyers seeking high-output propulsion systems with modern electronic controls and excellent fuel efficiency.
At Yanmar Marine Experts, we supply premium yanmar diesel marine engine solutions for buyers looking for advanced propulsion systems backed by global shipping support and technical expertise.
Built for planing and semi-planing hulls, this marine engines yanmar option delivers strong torque, smoother acceleration, and reliable offshore performance for demanding marine applications.
Key Features of Yanmar 6LT740 Marine Diesel Engine
- 740HP maximum output
- Advanced common rail fuel injection system
- Turbocharged and intercooled platform
- Electronic engine management
- Strong acceleration for performance vessels
- Compact installation footprint
- Reduced vibration and quieter operation
- Excellent fuel efficiency
- Ideal for repower projects
- Advanced digital vessel integration
This engine remains a strong option for buyers researching dependable yanmar boat engines for larger performance vessels.
Compatible Gearboxes & Propulsion Systems
The Yanmar 6LT740 Marine Inboard Diesel Engine 740HP 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. boat maintenance resources
We help buyers select the proper reduction ratio, gearbox configuration, and complete propulsion package based on hull design and operating requirements before shipment.
Technical Specifications
| Technical Specification | Value |
|---|---|
| Engine Model | Yanmar 6LT740 |
| Engine Series | 6LT Series |
| Maximum Output | 740HP (544 kW) |
| Rated Speed | 2,300 RPM |
| Engine Type | In-line, 4-stroke vertical water-cooled diesel engine |
| Number of Cylinders | 6 Cylinders |
| Displacement | Approx. 11.7L |
| Bore x Stroke | 127 mm x 154 mm |
| Fuel System | Common Rail Direct Injection |
| Aspiration | Turbocharged & Intercooled |
| Engine Management | Electronic |
| Starting System | Electric Start |
| Alternator | 24V – 90A |
| Cooling System | Freshwater cooling |
| Dry Weight | Approx. 1,150 kg |
| Drive Type | Inboard Shaft Drive |
| Recommended Applications | Sport yachts, patrol boats, fast cruisers |
| Compliance | EPA / IMO / RCD / EMC |
Final specifications may vary slightly depending on final engine configuration and destination market requirements.
Standard Manufacturer Package Includes
All engines supplied by Yanmar Marine Experts are brand-new bobtail units and typically include VC20 vessel controls, electronic control head, multi-function display, switch panel, backup panel, factory wiring components, installation documentation, and standard manufacturer accessories.
Optional upgrades may include joystick controls, extra helm stations, secondary alternators, and custom transmission packages.
Compliance & Certifications
The Yanmar 6LT740 Marine Inboard Diesel Engine 740HP is built to meet applicable emissions and safety regulations depending on vessel usage and destination requirements.
Applicable certifications may include:
- EPA standards
- IMO regulations
- RCD compliance
- EMC certifications
Engine Availability
We maintain access to available inventory through our internal stock and global dealer network. Availability may vary depending on production schedules and market demand.
Warranty Coverage
All 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 Shipping
We 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 Questions
Is the Yanmar 6LT740 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 6LT740 price and current availability.
Request a Quote
Contact 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 type
- Current engine model (for repower projects)
- Preferred gearbox model
- Preferred gearbox ratio
- Delivery location
- Purchase timeline
Our 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. ZF marine transmission systems





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