Description

YANMAR 6LY400 Marine Diesel Engine 400HP – Inboard Engine – For Sale UK

Overview

The YANMAR 6LY400 marine diesel engine 400HP is a high-performance inboard diesel engine engineered for fast leisure craft and light commercial vessels requiring strong acceleration, reliability, and fuel efficiency. If you are looking for a YANMAR 6LY400 for sale, comparing marine engine options, or planning a repower project, this engine delivers exceptional power-to-weight performance, smooth operation, and advanced fuel injection technology.

Part of YANMAR’s proven LY series, the 6LY400 is designed to provide high output with reduced weight, making it ideal for vessels where speed, efficiency, and reliability are critical. It is widely used in sports boats, planing hulls, and high-speed cruising applications.

Who This Engine Is For

The YANMAR 6LY400 is ideally suited for:

• High-speed sports boats and performance leisure vessels
• Fast cruising boats and planing hull applications
• Boats typically in the 30–50 ft range
• Light commercial vessels requiring reliable high output
• Repower projects replacing older diesel or petrol engines
• Owners seeking improved performance and fuel efficiency

Key Benefits

• 400HP high-output engine for fast and responsive vessel performance
• Excellent power-to-weight ratio for increased speed and efficiency
• Advanced fuel injection system for improved fuel economy
• Low noise and vibration for enhanced onboard comfort
• Compact design simplifies installation and repower compatibility
• Proven YANMAR reliability in demanding marine environments
• Designed for both leisure and light commercial marine use

Performance and Application

The YANMAR 6LY400 is engineered for high-speed marine applications where rapid acceleration, consistent power delivery, and efficient cruising are essential. Its inline 6-cylinder configuration ensures smooth and stable performance across the RPM range.

This engine is particularly effective in planing hull vessels, delivering the power needed to achieve higher speeds while maintaining fuel efficiency and operational reliability.

Common applications include:

• High-performance sports boats
• Fast leisure cruisers
• Offshore recreational vessels
• Light commercial workboats
• Repower upgrades for ageing diesel or petrol engines

YANMAR 6LY400 for Repower and Engine Replacement

The YANMAR 6LY400 is a popular choice for repowering vessels that require increased performance and improved efficiency. It is frequently selected to replace older diesel engines or petrol-powered systems, offering significant gains in fuel economy, reliability, and overall vessel performance.

Upgrading to the 6LY400 can provide:

• Improved acceleration and top-end speed
• Reduced fuel consumption and operating costs
• Increased engine reliability and reduced downtime
• Compatibility with modern marine systems and controls

YANMAR 6LY400 Marine Diesel Engine – Technical Specifications

YANMAR 6LY400 Price and Availability

The price of the YANMAR 6LY400 marine diesel engine varies depending on configuration, transmission pairing, and installation requirements.

For the latest YANMAR 6LY400 price, availability, and delivery timelines, contact Bluewake Marine Enterprises for a tailored quote based on your vessel type, performance goals, and project requirements.

Why Choose Bluewake Marine Enterprises

At Bluewake Marine Enterprises, we specialise in supplying high-performance YANMAR marine diesel engines for leisure vessels, commercial applications, and repower projects. Our team provides expert guidance to help you select the right engine for your vessel, ensuring compatibility, optimal performance, and long-term reliability.

We support customers with:

• Engine selection and specification advice
• Repower and upgrade planning
• Product sourcing and logistics
• Ongoing technical and aftersales support

Frequently Asked Questions – YANMAR 6LY400

How much does the YANMAR 6LY400 cost?
Pricing depends on configuration, transmission options, and installation requirements. Contact Bluewake Marine Enterprises for a tailored quote.

Is the YANMAR 6LY400 suitable for repower projects?
Yes, it is widely used to replace older diesel or petrol engines in performance boats and cruising vessels.

What vessels is the 6LY400 best suited for?
It is ideal for sports boats, fast cruisers, and vessels typically between 30 and 50 feet.

Is the YANMAR 6LY400 fuel efficient?
Yes, it is designed to deliver strong performance while maintaining efficient fuel consumption.

Do you provide technical support and parts?
Yes, Bluewake Marine Enterprises provides expert support, parts sourcing, and guidance for installation and maintenance.

Call to Action

Looking for a YANMAR 6LY400 marine diesel engine for sale?

Contact Bluewake Marine Enterprises today to request a quote, check availability, or speak with a marine engine specialist about your repower or upgrade project.