Yanmar 6LY400 Marine Inboard Diesel Engine 400hp Common Rail
$46,824.00
- Description
Description
New Yanmar 6LY400 Marine Inboard Diesel Engine 400HP Common Rail For Sale
The Yanmar 6LY400 Marine Inboard Diesel Engine 400HP Common Rail is a modern electronically controlled propulsion system built for vessel owners who need strong acceleration, efficient cruising, and dependable offshore performance. Commonly used in sport fishing boats, express cruisers, patrol vessels, fast leisure yachts, and repower projects, this engine delivers high-output performance in a compact inline-six platform.
If you are researching the latest Yanmar 6LY400 price, this model represents a major step forward in Yanmar’s 6LY lineup with improved fuel efficiency, cleaner emissions, and smoother engine operation thanks to its common rail technology.
For buyers actively searching for a Yanmar 6LY400 for sale, this engine is a preferred choice for modern vessels requiring advanced electronic control, reduced noise, and optimized fuel consumption.
At Yanmar Marine Experts, we supply premium yanmar diesel marine engines for buyers seeking high-performance propulsion systems with modern integration and long-term reliability.
Built on Yanmar’s advanced 6LY platform, this yanmar marine diesel engine solution offers strong torque output, responsive throttle control, and improved onboard comfort compared to older mechanical engines. marine industry standards
Key Features of Yanmar 6LY400 Marine Diesel Engine
- 400HP maximum output
- Common rail direct fuel injection
- Electronic engine management system
- Turbocharged and intercooled performance
- Smooth acceleration and throttle response
- Reduced vibration and lower noise levels
- Compact inline-six configuration
- Excellent fuel efficiency
- Ideal for repower projects
- Advanced onboard system integration
This engine remains a strong option for buyers researching dependable marine engines yanmar for performance-focused vessels.
Compatible Gearboxes & Propulsion Systems
The Yanmar 6LY400 Marine Inboard Diesel Engine 400HP Common Rail 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 assist in selecting the correct gearbox ratio, control configuration, and complete propulsion package based on vessel design and operational requirements before shipment.
Technical Specifications
| Technical Specification | Value |
|---|---|
| Engine Model | Yanmar 6LY400 |
| Engine Series | 6LY Series |
| Maximum Output | 400HP (294 kW) |
| Rated Speed | 3,300 RPM |
| Engine Type | 4-stroke vertical water-cooled diesel engine |
| Number of Cylinders | 6 cylinders |
| Displacement | Approx. 5.8L |
| Bore x Stroke | 106 mm x 110 mm |
| Fuel System | Common Rail Direct Injection |
| Aspiration | Turbocharged & Intercooled |
| Controls | Electronic |
| Cooling System | Freshwater cooling |
| Starting System | Electric Start |
| Alternator | 12V / 120A |
| Dry Weight | Approx. 640 kg |
| Drive Type | Inboard Shaft Drive |
| Recommended Applications | Sport fishing boats, cruisers, patrol vessels |
| Compliance | EPA Tier 3, RCD 2, EMC |
Standard Manufacturer Package Includes
All engines supplied by Yanmar Marine Experts are brand-new bobtail units and typically include electronic control system, multi-function display, factory wiring harness, installation manuals, owner documentation, flexible mounts, and standard manufacturer accessories.
Optional upgrades may include additional helm stations and complete transmission packages.
Compliance & Certifications
The Yanmar 6LY400 Marine Inboard Diesel Engine 400HP Common Rail is built to meet modern emissions and safety standards for recreational and light commercial marine applications.
Applicable certifications include:
- EPA Tier 3
- RCD 2
- EMC
- Manufacturer compliance standards
Engine Availability
We maintain access to available inventory through our internal stock and global dealer network. Availability may vary depending on production demand and seasonal supply.
Warranty Coverage
All new Yanmar engines supplied by Yanmar Marine Experts include a standard 2-year manufacturer warranty for eligible applications.
Qualified buyers may also be eligible for an additional +3 years extended warranty coverage, depending on usage classification and maintenance compliance.
We also assist with warranty registration, documentation, and pre-delivery inspection support.
Global Shipping
We ship worldwide through our logistics network using secure export packaging and full 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 destination and engine availability.
Frequently Asked Questions
Is the Yanmar 6LY400 currently available?
Availability can be confirmed through our sales team based on current stock.
Does it come with a gearbox?
Compatible Yanmar Powerboat Gears and ZF Gearboxes are available depending on your configuration.
Is this engine suitable for repower projects?
Yes, its compact inline-six design makes it ideal for repower applications.
Do you ship internationally?
Yes, we coordinate worldwide shipping and export documentation.
How do I request pricing?
Contact our team for the latest Yanmar 6LY400 price and 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.
