YANMAR 8LV-370 Marine Diesel Engine – 370 HP | JB Marine GmbH Germany
Experience the ultimate in marine propulsion with the YANMAR 8LV-370, a lightweight V8 diesel engine engineered for exceptional performance, fuel efficiency, and reliability.
Available from JB Marine GmbH, this high-output marine diesel engine delivers the exhilarating acceleration of a gasoline engine with the durability, economy, and endurance that only YANMAR diesel technology can offer.
Superior Power, Precision, and Reliability
The YANMAR 8LV-370 Marine Diesel Engine is designed for high-speed sports boats, ski boats, and luxury cruisers, whether for new builds or repower projects.
Its compact, V8-configured design delivers 370 HP (272 kW) of continuous, efficient power at 3800 rpm, combining agility, balance, and thrust in a lightweight 435 kg package.
Engineered with marine-grade construction, the 8LV-370 ensures outstanding torque, extended service life, and consistent performance even in the harshest conditions.
Unmatched Acceleration & Top-End Performance
YANMAR’s common-rail fuel-injection system and turbo-intercooled V8 engine architecture provide instant throttle response, rapid acceleration, and effortless planing performance.
The 550 rpm idle speed offers precise low-speed control for docking and maneuvering, while the 3800 rpm top range ensures commanding speed and power at sea.
Performance Highlights
-
370 HP (272 kW) @ 3800 rpm
-
Ultra-low 550 rpm idle for smooth marina operations
-
Turbocharged & intercooled for high torque and efficiency
-
Hydraulic clutch for smooth gear transitions
-
Exceptional power-to-weight ratio for rapid acceleration
This makes the 8LV-370 ideal for owners who demand high-end performance and seamless control.
Lightweight & Compact V8 Design
Weighing just 435 kg (dry), the YANMAR 8LV-370 is one of the lightest engines in its class, delivering superior power-to-weight efficiency and optimized fuel economy.
Its compact design allows flexible installation in tight engine bays while maximizing usable onboard space.
Design Advantages
-
Compact V8 configuration for easy integration
-
Optimized weight distribution for better balance
-
Reduced fuel consumption at cruise speed
-
Improved hull performance and agility
This combination of strength, efficiency, and compactness ensures ideal performance for any high-speed marine application.
Seamless Integration with YANMAR Drive Systems
The 8LV-370 pairs perfectly with:
-
The YANMAR ZT370 twin-propeller sterndrive – for rapid acceleration and top-speed efficiency.
-
The YANMAR KMH50 inboard transmission – for smooth, robust propulsion in shaft-drive vessels.
Both options deliver low vibration, superior torque transfer, and precise control, ensuring unmatched comfort and stability on every voyage.
Quiet, Smooth & Refined Operation
YANMAR’s advanced engineering ensures that the 8LV-370 runs quietly and smoothly, providing a premium boating experience.
With balanced V8 geometry, hydraulic clutch control, and precision fuel mapping, this engine minimizes vibration and noise, ideal for luxury yachts and sport cruisers.
Comfort Benefits
-
Exceptionally low vibration
-
Quiet idle and cruising operation
-
Smooth shifting and acceleration
-
Enhanced onboard comfort for passengers
Exceptional Fuel Efficiency & Clean Emissions
The YANMAR 8LV-370 combines power with environmental responsibility.
Thanks to its common-rail direct injection and advanced combustion design, it delivers remarkable fuel efficiency while meeting stringent international emission standards.
Emission Compliance
-
EU RCD 2 & EMC
-
US EPA Tier 3
-
IMO NOx certified
-
ULSD (Ultra-Low Sulfur Diesel) compatible
This makes the 8LV-370 a sustainable choice for long-distance cruising and professional operations alike.
Advanced Electronic Control – YANMAR VCS CAN-bus System
The YANMAR VCS (Vessel Control System) integrates advanced CAN bus technology to provide complete digital control and monitoring.
System Features
-
Real-time performance diagnostics
-
Simplified engine management and maintenance
-
Seamless integration with navigation systems
-
Reduced wiring complexity and enhanced safety
At JB Marine GmbH, we ensure all YANMAR VCS installations are configured and calibrated for maximum reliability and performance.
YANMAR 8LV-370 Technical Specifications
| Specification | Details |
|---|---|
| Rated Output | 272 kW / 370 mhp |
| Rated Speed | 3800 rpm |
| Displacement | 4.460 L (272.24 cu in) |
| Cylinders | V8 |
| Bore × Stroke | 86 mm × 96 mm |
| Engine Type | 4-stroke, water-cooled diesel |
| Fuel System | Common-rail direct injection |
| Aspiration | Turbocharged & Intercooled |
| Emission Compliance | EU RCD 2, EMC, EPA Tier 3, IMO |
| Alternator | 12 V, 180 A |
| Dry Weight | 435 kg (958 lbs) |
5-Year Manufacturer Warranty & Global Support
Every YANMAR 8LV-370 sold by JB Marine GmbH is covered by YANMAR’s factory-backed 5-year warranty, offering peace of mind and long-term protection.
Warranty Coverage
-
Comprehensive protection against manufacturing defects
-
Access to the global YANMAR service network
-
Genuine YANMAR parts and accessories
-
24/7 technical assistance for maintenance and troubleshooting
JB Marine GmbH provides complete installation, warranty registration, and after-sales service across Europe and worldwide.
Frequently Asked Questions (FAQs)
What boats is the YANMAR 8LV-370 best suited for?
Ideal for sport boats, ski boats, luxury cruisers, and high-speed performance vessels requiring both raw power and efficiency.
How does it compare to Volvo Penta engines?
The YANMAR 8LV-370 offers a better torque-to-weight ratio, lower fuel consumption, and simpler maintenance while maintaining equal performance at a lighter overall weight.
Which propulsion systems are compatible?
It integrates with both ZT370 twin-prop sterndrives and KMH50 inboard transmissions, offering flexible propulsion configurations.
What type of fuel does it use?
The 8LV-370 runs on Ultra-Low Sulfur Diesel (ULSD), ensuring compliance with all global environmental standards.
Does JB Marine GmbH offer installation support?
Yes — we offer certified installation, commissioning, and ongoing service support throughout Germany and Europe.
Why Choose JB Marine GmbH?
-
Authorized warranty and parts provider
-
Experienced technicians and marine engineers
-
Genuine YANMAR spare parts in stock
-
Worldwide shipping and repower support
At JB Marine GmbH, we provide tailored propulsion solutions for both private and commercial operators, ensuring you get the right engine, the right setup, and the right support.
Order Your YANMAR 8LV-370 Today
Looking for maximum power, durability, and performance in a marine diesel engine?
The YANMAR 8LV-370 offers everything a serious boater demands — strength, efficiency, and longevity.
Contact JB Marine GmbH today for pricing, delivery options, and expert consultation.
We ship worldwide and provide full installation and maintenance support.









