Yanmar 6AYEM-GT 1002HP Diesel Marine Engine – Precision Power and Performance by JB Marine GmbH

JB Marine GmbH, Germany’s premier supplier of Yanmar marine diesel engines, presents the Yanmar 6AYEM-GT Diesel Marine Engine, a powerhouse delivering 1002 HP (670 kW) at 2000 RPM.
Designed for commercial vessels, offshore support boats, fishing fleets, and high-speed yachts, the 6AYEM-GT combines exceptional performance, fuel efficiency, and environmental compliance with Yanmar’s renowned engineering excellence.

Built for endurance and precision, this engine represents the pinnacle of marine propulsion technology, providing long-lasting reliability for professional maritime operations.

Overview – Built for the Demands of Professional Marine Power

The Yanmar 6AYEM-GT is the ultimate propulsion solution for operators who require high power and operational efficiency in a compact, durable package.

With direct injection technology, a turbocharger with intercooler, and a heat exchanger cooling system, this 6-cylinder, in-line diesel engine delivers exceptional output and responsiveness, even in extreme marine environments.

Backed by Yanmar’s engineering precision and JB Marine GmbH’s after-sales expertise, this engine ensures optimal performance for both new builds and repowering projects.

Why Choose the Yanmar 6AYEM-GT 1002HP Diesel Marine Engine?

High-Performance Power Output

Delivering an impressive 1002 HP at 2000 RPM, the 6AYEM-GT is designed for continuous heavy-duty operation. Whether powering high-speed vessels or large commercial boats, it provides unmatched torque and acceleration.

Superior Fuel Efficiency

Engineered with micro-sized injector holes and optimized combustion chambers, this engine minimizes fuel consumption while maintaining maximum output. Operators enjoy reduced operational costs and extended range on every voyage.

IMO-Compliant Environmental Engineering

The integrated Exhaust Gas Recirculation (EGR) system effectively reduces NOx emissions, ensuring compliance with IMO emissions regulations. It combines precision-controlled external EGR valves and internal valve lift adjustments for clean and efficient combustion.

Built for Endurance and Reliability

The heat exchanger cooling system and turbocharger + intercooler configuration are designed to perform under the most challenging conditions. The SAE #0 flywheel housing further enhances stability and power transfer.

Adaptable and Versatile Design

Compact, powerful, and efficient — the 6AYEM-GT is suitable for both new installations and repowering older vessels, making it one of the most adaptable marine engines in its class.

Technical Specifications – Yanmar 6AYEM-GT

Complete Engine Package from JB Marine GmbH

When you order the Yanmar 6AYEM-GT Diesel Marine Engine from JB Marine GmbH, you receive a complete, installation-ready package designed for professional marine performance.

Package Includes:

• Genuine Yanmar 6AYEM-GT Engine

• Marine Gearbox (YXH-240-7, pre-configured)

• Turbocharger + Intercooler Assembly

• Heat Exchanger Cooling System

• Fuel Pre-Filter with Water Separator

• Flexible Engine Mounts

• Exhaust Mixing Elbow

• Alternator (12V – 125A)

• Starter Motor (24V – 8.0kW)

• Freshwater Expansion Tank

• NMEA2000 Engine Monitoring System

• Belt Safety Cover

• Comprehensive Installation, Operation & Maintenance Manual

Optional Accessories & Custom Upgrades

Enhance the versatility and power of your Yanmar engine with genuine accessories available from JB Marine GmbH:

• High-Riser Exhaust Mixing Elbow

• Secondary Alternators (12V – 125A or 24V – 60A)

• Front-Mounted Seawater Pump

• Hot Water Kit with Cocks

• Spare Parts Kit for Onboard Maintenance

• IMO Tier III Compliance Kit for stricter emission zones

All optional accessories are OEM-certified and tested for seamless integration and long-term reliability.

Warranty & After-Sales Support by JB Marine GmbH

Your Yanmar 6AYEM-GT purchase is protected by a 5-year manufacturer’s warranty covering all defects in materials and workmanship.

JB Marine GmbH further enhances your investment with:

• Certified installation and commissioning support

• Access to genuine Yanmar spare parts and service kits

• Expert troubleshooting and maintenance assistance

• Fast shipping and full European coverage

We ensure your marine engine performs with the same reliability and precision it was built for.

Frequently Asked Questions (FAQs)

What applications are ideal for the Yanmar 6AYEM-GT?
Perfect for offshore support vessels, fishing fleets, commercial boats, and high-speed yachts requiring sustained high performance.

Is the engine compliant with global emission standards?
Yes – fully compliant with IMO emissions regulations, utilizing advanced EGR technology to minimize NOx emissions.

Can it be used for repowering older vessels?
Absolutely – the compact, modular design makes it an excellent choice for repowering projects.

How fuel-efficient is the 6AYEM-GT?
With its advanced injection and combustion optimization, it offers industry-leading fuel efficiency, even at high loads.

What is included in the package?
The complete Yanmar 6AYEM-GT engine with gearbox, turbocharger, cooling system, alternator, exhaust system, and user manual.

What warranty coverage is provided?
A 5-year manufacturer warranty with optional extended service contracts through JB Marine GmbH.

Does JB Marine GmbH provide installation support?
Yes – our certified marine engineers handle installation, calibration, and ongoing maintenance.

Why Choose JB Marine GmbH – Germany’s Trusted Yanmar Partner

At JB Marine GmbH, we combine Yanmar’s world-class marine technology with decades of hands-on expertise to provide our customers with the most reliable diesel propulsion systems in Europe.

Our Advantages:

• Official Yanmar dealer and service center

• Genuine Yanmar products with full warranty protection

• Competitive pricing and professional consultation

• Rapid delivery and installation support across Europe

• Full range of Yanmar spare parts and maintenance kits

We power Germany’s maritime industry with trusted engineering, efficiency, and precision.

Contact JB Marine GmbH – Order Your Yanmar 6AYEM-GT Marine Engine Today

Experience unmatched power, durability, and performance with the Yanmar 6AYEM-GT 1002HP Diesel Marine Engine from JB Marine GmbH.
Our technical specialists are ready to assist with engine configuration, pricing, and installation planning.