Discover the Power of the Yanmar 6HA2M-WDT 405HP Diesel Marine Engine | JB Marine GmbH
JB Marine GmbH, Germany’s trusted Yanmar distributor, proudly offers the Yanmar 6HA2M-WDT 405HP Diesel Marine Engine, a superior propulsion solution built for power, fuel efficiency, and marine-grade durability.
Whether for commercial vessels, fishing fleets, or luxury yachts, this high-performance diesel engine delivers exceptional torque, low emissions, and long-term reliability. Backed by Yanmar’s global reputation for excellence, the 6HA2M-WDT is engineered for professionals who demand uncompromising performance on every voyage.
Overview – Proven Marine Engineering for Demanding Applications
The Yanmar 6HA2M-WDT is a 6-cylinder, turbocharged diesel inboard engine that combines advanced direct fuel injection with heat exchanger cooling, offering the perfect balance between power and efficiency.
Delivering 405 horsepower (302 kW) at 2,000 RPM, this engine is designed to perform under continuous heavy-duty operation, making it an ideal choice for commercial and offshore marine applications.
Built to meet IMO Tier II and EPA Tier III emission standards, the 6HA2M-WDT ensures environmentally responsible performance while maintaining high output and reliability in all marine conditions.
Key Features – Why Choose the Yanmar 6HA2M-WDT 405HP
Heavy-Duty Power and Torque
Produces 405HP at 2,000 RPM for reliable propulsion, even in the most demanding marine environments.
Superior Fuel Efficiency
Features Yanmar’s precision direct injection system for cleaner combustion, optimized fuel economy, and lower operational costs.
Low Emissions, High Output
Certified to IMO Tier II and EPA Tier III standards for reduced emissions and eco-friendly operation.
Turbocharged Reliability
A turbocharged design provides consistent torque and smooth acceleration under variable load conditions.
Built to Last
The robust 13.14L displacement, heat exchanger cooling system, and corrosion-resistant construction ensure longevity in both fresh and saltwater conditions.
Worldwide Shipping and Support
JB Marine GmbH offers global delivery, professional installation guidance, and comprehensive after-sales service for all Yanmar marine engines.
Technical Specifications – Yanmar 6HA2M-WDT 405HP Diesel Marine Engine
| Specification | Details |
|---|---|
| Engine Model | Yanmar 6HA2M-WDT |
| Rated Output | 405 HP / 302 kW |
| Rated Speed | 2,000 RPM |
| Displacement | 13.14 Liters |
| Number of Cylinders | 6 in-line |
| Cylinder Bore × Stroke | 135 mm × 150 mm |
| Combustion System | Direct Injection |
| Aspiration | Turbocharged |
| Cooling System | Heat Exchanger |
| Alternator Output | 24V – 50A |
| Dry Weight (without gear) | 1,180 kg |
| Certifications | IMO Tier II, EPA Tier III |
| Warranty | 5 Years |
Complete Engine Package – What’s Included
When you purchase the Yanmar 6HA2M-WDT Diesel Marine Engine from JB Marine GmbH, your order includes:
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Marine Gearbox (included)
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High-Performance Alternator (24V – 50A)
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Exhaust Mixing Elbow
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Expansion Tank for Freshwater Cooling
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Flexible Engine Mounts
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Electric Stop Solenoid
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Belt Safety Cover
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4m Extension Wire Harness
Each engine package is factory-assembled, tested, and certified to guarantee Yanmar’s unmatched standards of performance and durability.
Optional Accessories
Enhance your vessel’s performance with optional Yanmar-approved accessories:
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High-Riser Exhaust Mixing Elbow
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Secondary Control Station Kit
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Extended Wiring Harness (6m or 10m)
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Air Heater (Glow Plug System)
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Trolling Valve (for compatible gearboxes)
All accessories are OEM-certified and fully compatible with Yanmar’s 6HA2M series.
Warranty & Maintenance Information
Every Yanmar 6HA2M-WDT Diesel Marine Engine is backed by a 5-year manufacturer’s warranty, covering defects in materials and workmanship.
JB Marine GmbH provides:
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Full manufacturer warranty registration
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Access to certified Yanmar technicians and service centers
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Genuine OEM spare parts and consumables
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Preventative maintenance packages and inspections
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Worldwide shipping and support
Optional extended warranty and service agreements are available for fleet and commercial operators.
Applications – Built for Commercial and Recreational Power
The Yanmar 6HA2M-WDT delivers proven power and endurance across multiple marine sectors:
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Commercial Workboats: Heavy-duty propulsion for industrial and transport vessels.
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Fishing Boats: Reliable torque and durability for long-distance marine operations.
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Luxury Yachts: Smooth, quiet, and efficient power delivery for premium vessels.
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Offshore Support Craft: Built for round-the-clock reliability in harsh marine environments.
From day cruisers to commercial fleets, this engine provides the ideal blend of power, efficiency, and sustainability.
Frequently Asked Questions (FAQs)
What warranty comes with the Yanmar 6HA2M-WDT?
A 5-year manufacturer warranty, extendable through JB Marine GmbH.
Is the 6HA2M-WDT suitable for continuous heavy-duty use?
Yes, it’s designed for commercial operations and long-term, high-load performance.
Can this engine be installed on any vessel type?
It’s compatible with a wide range of vessels, including yachts, workboats, and fishing vessels.
How often does it require maintenance?
Routine maintenance includes checking oil, coolant, filters, and belts. JB Marine provides tailored service plans.
Does it meet emission regulations?
Yes — it complies with IMO Tier II and EPA Tier III standards.
Can JB Marine GmbH assist with installation?
Absolutely. We offer professional installation support, setup guidance, and technical aftercare.
Why Choose JB Marine GmbH – Your Authorized Yanmar Partner in Germany
At JB Marine GmbH, we specialize in genuine Yanmar marine diesel engines, combining precision engineering with world-class customer service.
What sets us apart:
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Certified Marine Technicians and Engineers
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Genuine OEM Engines and Spare Parts
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Fast, Reliable Worldwide Shipping
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Competitive Pricing and Factory Warranty
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Full Technical and After-Sales Support
Trust JB Marine GmbH for authentic Yanmar engines that power your vessel with confidence and efficiency.
Contact JB Marine GmbH – Order the Yanmar 6HA2M-WDT 405HP Diesel Marine Engine Today
Experience unmatched marine performance with the Yanmar 6HA2M-WDT 405HP Diesel Marine Engine, a true blend of Japanese innovation and German engineering excellence.
Contact JB Marine GmbH today for pricing, technical consultation, and global delivery options. Power your journey with Yanmar’s world-class performance and JB Marine’s trusted expertise.









