Yanmar 8LV370 (Z) Marine Diesel Engine 370 HP – Twin Turbocharged Power, Efficiency & Precision | JB Marine GmbH

The Yanmar 8LV370 (Z) Marine Diesel Engine is an advanced 8-cylinder, 4-stroke, twin-turbocharged inboard engine delivering an impressive 370 horsepower (272 kW) at 3800 RPM.
Engineered for luxury yachts, high-performance motorboats, and commercial vessels, the 8LV370 combines Yanmar’s precision engineering, smooth power delivery, and class-leading efficiency in a compact, lightweight configuration.

Built with Yanmar’s Denso Common Rail System and twin turbocharging technology, this marine engine achieves exceptional torque, acceleration, and fuel economy while maintaining low vibration and quiet operation.
Whether installed with a ZT370 sterndrive or KMH50 gearbox, the Yanmar 8LV370 offers unmatched responsiveness and control on the water.

Unrivaled Performance with Intelligent Engineering

The Yanmar 8LV370 is the benchmark for modern marine propulsion.
It features an extra-wide power band, low idle speed (550 RPM) for precise maneuvering, and a high maximum speed (3800 RPM), outperforming competitors in its class.

Combined with Yanmar’s VCS (Vessel Control System) and CAN bus electronics, the engine ensures smooth digital throttle response, advanced diagnostics, and simplified integration with onboard systems.

Key Features of the Yanmar 8LV370 (Z) Marine Diesel Engine

Twin Turbocharged Performance

• 8-cylinder, 4-stroke diesel with direct injection and twin turbocharging

• Powerful output of 370 HP (272 kW) at 3800 RPM

• Massive torque and acceleration across the rev range for effortless cruising and planing

Ultra-Smooth Low-Speed Operation

• Idles at just 550 RPM for slow-speed control in marinas and harbors

• Works perfectly with ZT370 sterndrive or KMH50 marine gearbox for responsive maneuvering

• The hydraulic clutch system enables quiet, vibration-free gear engagement

Advanced Fuel System & Efficiency

• Equipped with Yanmar’s Denso Common Rail System for precise fuel metering

• Improved combustion efficiency for lower fuel consumption and reduced emissions

• Long-range cruising performance with extended fuel economy

Lightweight, Compact & Easy to Install

• Displacement: 4.46 L (272 cu. in)

• Dry weight (without gear): 435 kg (959 lbs)

• Compact design for easier installation and better weight distribution

• Suitable for both inboard and sterndrive configurations

Superior Electrical & Control Systems

• 12V, 180A high-capacity alternator supports onboard electronics and navigation systems

• Integrated VC10 Vessel Control System for intuitive control and diagnostics

• Optional NMEA2000 engine monitoring and Yanmar joystick control systems are available

Certified for Global Marine Standards

• Meets RCD 2, IMO Tier II, EPA Tier III, BSO II, EMC, and SOLAS standards

• Environmentally compliant and approved for global operation

• Note: Not EPA Commercial certified

Technical Specifications

Standard Engine Package

• Exhaust Mixing Elbow (L-type)*

• Through Drive Exhaust**

• Alternator 12V – 180A

• VC10 Vessel Control System

• Power Steering**

• Flexible Mounts

• Freshwater Expansion Tank

*Inboard model  **Sterndrive model

Optional Accessories

• High-Riser Mixing Elbow (in place of L-Elbow)*

• Through-Hull Exhaust**

• Extension Harness (3m / 5m / 10m)

• Second Helm Station Kit

• JC20 Inboard Joystick / JC10 Sterndrive Joystick

• NMEA2000 Engine Monitoring System

• SOLAS Package (factory fit)

• Hot Water Connection Kit

• Water Separator

• Front PTO Pulley (V-belt type A or B)

• Power Steering Pump & Cooler*

• Electric Shift**

• Exhaust Cooling Water Bypass

• Lube Oil Drain Pump

• 12V Bilge Pump

• Opposite Dipstick

*Inboard model  **Sterndrive model

Why Choose JB Marine GmbH for Your Yanmar 8LV370

At JB Marine GmbH, we supply genuine Yanmar marine diesel engines with factory warranties, technical support, and fast delivery across Germany, Europe, and global ports.

Whether you’re upgrading your yacht propulsion system or equipping a new vessel, we ensure your Yanmar 8LV370 (Z) arrives ready for installation and long-term reliability.

What You Get with JB Marine GmbH

• Authentic Yanmar 8LV370 (Z) Marine Diesel Engine with global certification

• Professional technical guidance and after-sales support

• Fast, secure worldwide shipping (Standard, Express, or Freight)

• Access to genuine Yanmar parts, service kits, and accessories

• Optional installation and commissioning assistance

Warranty Information

All Yanmar engines supplied by JB Marine GmbH include a standard 12-month manufacturer’s warranty against defects in materials and workmanship.

• Standard Warranty: 12 Months / 1000 Operating Hours (whichever comes first)

• Extended Warranty Options: Available upon request

We also assist with warranty registration, commissioning documentation, and technical onboarding.

Frequently Asked Questions (FAQ)

What boats is the Yanmar 8LV370 suitable for?
The engine is ideal for high-performance motorboats, luxury yachts, and commercial vessels requiring power, torque, and smooth operation.

Can it be paired with a sterndrive?
Yes — the 8LV370 (Z) is available with the Yanmar ZT370 sterndrive system for optimal handling and maneuverability.

 Is it fuel-efficient?
Absolutely. The twin-turbocharged design and common rail fuel system ensure outstanding power output with minimal fuel consumption.

Does the engine meet emission standards?
Yes. The 8LV370 is certified to RCD 2, IMO Tier II, EPA Tier III, BSO II, EMC, and SOLAS standards.

What warranty coverage is included?
All Yanmar 8LV370 engines include a 1-year manufacturer’s warranty, extendable upon request.

Do you provide installation support?
Yes. Our engineers offer installation advice, setup documentation, and post-sale technical support.

Is international shipping available?
Yes — we ship throughout Germany, Europe, and select global locations, using reliable freight partners.

Order Your Yanmar 8LV370 (Z) 370 HP Marine Diesel Engine Today

Experience the pinnacle of Yanmar marine engineering with the 8LV370 (Z) — a twin-turbocharged powerhouse delivering smooth acceleration, low vibration, and world-class reliability.

Contact JB Marine GmbH today for pricing, stock availability, and expert installation guidance.

Visit https://jbmarinegmbh.de/ to explore our full range of Yanmar marine diesel engines for sale and experience advanced marine propulsion with manufacturer-backed confidence.