YANMAR 8LV-320 Marine Diesel Engine – 320 HP | JB Marine GmbH Germany

Discover world-class marine performance with the YANMAR 8LV-320, a 320 HP V8 marine diesel engine built for speed, reliability, and fuel efficiency.
Now available from JB Marine GmbH, Germany’s trusted supplier of premium YANMAR marine engines, this model is the ideal propulsion solution for ski boats, sport cruisers, and high-performance leisure craft.

High-Performance YANMAR Diesel Power for Demanding Marine Applications

The YANMAR 8LV-320 Marine Diesel Engine delivers the exhilarating performance of a V8 gasoline engine — combined with the longevity, efficiency, and reliability of diesel technology.

Whether for new builds or repower projects, this 8-cylinder powerhouse is precision-engineered for smooth acceleration, responsive throttle, and long-range cruising with minimal maintenance.

 Unmatched Performance & Acceleration

Powered by 320 HP at 3800 RPM, the YANMAR 8LV-320 delivers rapid acceleration and top-end power that rivals the best in its class.
With 550 RPM idle control and a hydraulic clutch system integrated into YANMAR’s ZT370 sterndrive or KMH50 inboard transmission, boaters enjoy exceptional maneuverability and docking precision.

Performance Highlights:

• 8-cylinder, 4.46-liter configuration for instant torque

• Turbocharged and intercooled design for efficient combustion

• Ultra-responsive throttle and power delivery

• Lightweight 435 kg dry weight for excellent power-to-weight ratio

This engine combines precision control, reduced emissions, and high torque output, providing a thrilling yet fuel-efficient boating experience.

Compact, Lightweight & Versatile Design

The YANMAR 8LV-320 is designed with space optimization and versatility in mind.
Weighing just 435 kilograms (dry), it offers a compact footprint ideal for repowering or new installations in limited engine compartments.

Key Engineering Advantages:

• Compact V8 layout for flexible installation

• Marine-grade cast construction for durability

• Easy access for maintenance and servicing

• Compatible with both sterndrive (ZT370) and inboard (KMH50) systems

This combination of light weight and structural integrity makes it a top choice for professional boat builders and performance enthusiasts alike.

Smooth, Quiet, and Efficient Operation

YANMAR’s advanced engineering delivers low vibration and reduced noise levels, ensuring exceptional onboard comfort.
With precision-balanced engine components and optimized combustion technology, the 8LV-320 achieves remarkably quiet operation, ideal for luxury cruisers and high-speed recreational craft.

Comfort Benefits:

• Reduced cabin noise and vibration

• Consistent, smooth idle

• Effortless handling at low and high speeds

Fuel Efficiency & Clean Emissions

The 8LV-320 is equipped with YANMAR’s common-rail direct fuel injection system, which ensures precise fuel delivery, improved combustion, and reduced fuel consumption.

Fully compliant with the world’s most stringent emission standards, EU RCD 2, EPA Tier 3, and IMO, this engine delivers eco-friendly power without compromising performance.

Efficiency Features:

• Advanced turbo-intercooled system for optimized fuel economy

• Ultra-low sulfur diesel (ULSD) compatibility

• Reduced smoke, CO₂, and NOx emissions

• Extended cruising range per fuel tank

With the 8LV-320, you enjoy both performance and sustainability, reflecting YANMAR’s legacy of marine innovation.

Advanced Engine Control with YANMAR VCS (CAN bus)

The YANMAR VCS (Vessel Control System) uses CAN bus digital communication to integrate all critical engine functions — simplifying operation, monitoring, and service diagnostics.

Control Benefits:

• Real-time performance monitoring

• Simplified engine management and troubleshooting

• Seamless integration with onboard electronics

• Reduced wiring and installation complexity

At JB Marine GmbH, our technicians provide professional installation and support for all YANMAR VCS-equipped engines, ensuring flawless system setup and calibration.

YANMAR 8LV-320 Technical Specifications

Warranty & Support – Backed by JB Marine GmbH

All YANMAR marine diesel engines sold through JB Marine GmbH come with factory-backed warranty coverage and global service support.

Warranty Overview:

• 5-Year Limited Manufacturer Warranty

• Authorized YANMAR service network worldwide

• 24/7 technical support for diagnostics and maintenance

• OEM parts availability through JB Marine GmbH

Our service team ensures full compliance with YANMAR’s maintenance standards, giving you confidence and reliability for years to come.

Frequently Asked Questions (FAQs)

Is the YANMAR 8LV-320 suitable for commercial boats?

The 8LV-320 is primarily designed for high-performance recreational and sport vessels.
For heavy-duty commercial use, JB Marine GmbH recommends YANMAR’s larger displacement series, such as the 6LY or 6CX models.

How does it compare to Volvo Penta engines?

The YANMAR 8LV-320 offers a superior power-to-weight ratio, improved fuel economy, and lower overall maintenance cost, while maintaining a similar performance curve to competing Volvo Penta V8 diesel engines.

Which transmission options are compatible?

The engine pairs seamlessly with YANMAR’s ZT370 sterndrive or KMH50 inboard transmission, offering flexible configurations for a variety of vessel designs.

What type of fuel does the 8LV-320 use?

It runs on ultra-low sulfur diesel (ULSD), ensuring cleaner combustion and compliance with international environmental standards.

Does JB Marine GmbH provide installation and service support?

Yes — our certified technicians offer installation assistance, repowering solutions, and full after-sales support across Germany and Europe.

Why Choose JB Marine GmbH for YANMAR Marine Engines?

• Official YANMAR Engine Supplier in Germany

• Authorized service & warranty provider

• Genuine YANMAR spare parts and accessories

• Expert installation and technical consultation

• Worldwide shipping and repower support

JB Marine GmbH is recognized for its expertise in marine propulsion systems, offering end-to-end solutions, from sales and installation to maintenance and parts supply.

Order Your YANMAR 8LV-320 Today

Looking for a high-performance YANMAR marine diesel engine for your next build or repower project?
The YANMAR 8LV-320 offers speed, reliability, and efficiency in one compact V8 package.

Contact JB Marine GmbH today for pricing, configuration options, and professional technical advice.
We supply YANMAR marine engines across Germany, Europe, and worldwide, with fast delivery and full warranty support.