Yanmar 6AYM-WST 659HP Marine Inboard Diesel Engine

Description

Buy Yanmar 6AYM-WST 659HP Marine Diesel Engine – Power, Efficiency & Reliability for Demanding Marine Applications

Introducing the Yanmar 6AYM-WST 659HP Marine Inboard Diesel Engine, now available from Marine Inboard Specialists. Designed for rugged marine conditions, this 6-cylinder, in-line powerhouse delivers 485 kW (659 HP) at 1900 RPM, making it the ideal inboard diesel engine for commercial vessels, workboats, and fishing trawlers operating in high-demand environments.

Built with Yanmar’s trusted engineering, turbocharged performance, and emissions-compliant combustion systems, the 6AYM-WST is a premium solution for marine professionals seeking fuel efficiency, durability, and compliance with IMO Tier II regulations.

Key Features of the Yanmar 6AYM-WST 659HP Diesel Marine Engine

High-Rated Power Output

• Produces a solid 659HP (485 kW) at 1900 RPM under H-rating, perfect for full-load operations on large commercial vessels and industrial marine craft.

Turbocharged Performance with Intercooler

• Equipped with a turbocharger and intercooler, ensuring maximum air intake efficiency and improved fuel combustion, even under heavy-duty conditions.

Advanced Combustion and Fuel Efficiency

• Direct injection system, optimized valve timing, and micro-sized injectors contribute to enhanced fuel economy without compromising engine power.

IMO Tier II Emissions Compliant

• Designed with clean exhaust performance in mind, the 6AYM-WST meets IMO Tier II marine emissions regulations, with an optional IMO Tier III kit available for vessels operating in Emission Control Areas.

Marine-Grade Durability

• Features a heat exchanger cooling system, flexible engine mounts, and corrosion-resistant components for extended engine life in saltwater environments.

Versatile Installation and Gearbox Compatibility

• Available with multiple marine gearbox options, making it ideal for both new builds and repowering projects of various vessel types.

Technical Specifications Of Yanmar 6AYM-WST 659HP Inboard Diesel Engine

What’s Included in the Engine Package

Your Yanmar 6AYM-WST package from Marine Inboard Specialists includes:

• Yanmar 6AYM-WST 659HP Diesel Engine

• Marine Gearbox Options:

  • YX-181 (Ratios: 2.08, 2.55, 3.03)

  • YX-180L (Ratios: 3.50, 4.00, 4.54)

  • YXH-240L (Ratios: 4.89, 5.36, 5.91, 6.57, 6.95)

• Turbocharger + Intercooler Assembly

• Heat Exchanger Cooling System

• Exhaust Mixing Elbow

• Alternator (12V – 125A)

• Starter Motor (24V – 7.0kW)

• Flexible Engine Mounts

• Fuel Pre-Filter with Water Separator

• NMEA2000 Engine Monitoring System

• Belt Safety Cover

• User Manual for operation, installation, and maintenance

Optional Accessories and Upgrades

Customize your engine installation with factory-approved upgrades:

• High-Riser Exhaust Mixing Elbow

• Secondary Alternators: 12V – 125A or 24V – 60A

• Front-Mounted Seawater Pump

• Hot Water Kits with Cocks

• VC10 Vessel Control System

• Sidemount Control Heads

• Extension Harnesses (3m, 5m, 10m)

• Propeller Cone Nut Kit SD60

• IMO Tier III Compliance Kit

• On-Board Spare Parts Kit

Warranty and After-Sales Support

Every Yanmar 6AYM-WST engine sold by Marine Inboard Specialists is backed by:

• 2-Year Manufacturer Warranty (Extendable to 5 Years upon request)

• Certified Installation Assistance

• Access to a full inventory of genuine Yanmar spare parts

• Dedicated technical support and maintenance services

Ideal Applications for the Yanmar 6AYM-WST 659HP Engine

• Commercial Workboats operating under continuous load

• Industrial Marine Vessels requiring high torque and fuel efficiency

• Fishing Trawlers needing reliable power for long-distance operations

• Engine Repowering Projects where performance and emissions compliance matter

Frequently Asked Questions (FAQs)

1. What types of vessels are best suited for this engine?
This engine is ideal for commercial fishing boats, tugboats, trawlers, offshore workboats, and industrial marine vessels.

2. Does the 6AYM-WST engine comply with emission regulations?
Yes, it meets IMO Tier II and can be upgraded to Tier III compliance with optional accessories.

3. What are the gearbox options?
You can choose from YX-181, YX-180L, and YXH-240L gearboxes, with reduction ratios tailored for various marine applications.

4. Can the engine be used for repowering?
Absolutely. Its compact footprint and versatile configuration make it ideal for replacing older engines in various vessel types.

5. How efficient is this engine in terms of fuel consumption?
The direct injection system and turbo-intercooler setup optimize fuel efficiency, particularly under high-load conditions.

6. Is there a maintenance guide provided?
Yes, each package includes a comprehensive user manual for installation, operation, and ongoing maintenance.

7. What warranty coverage is included?
The engine comes with a 2-year warranty, extendable to 5 years, covering materials and workmanship.

Why Choose Marine Inboard Specialists?

• Authorized Yanmar Marine Engine Dealer

• Competitive pricing and expert engine consultations

• Fast delivery across Germany, Europe, and select international ports

• Exceptional after-sales service and technical support

• Inventory of genuine Yanmar parts and accessories

Get a Quote on the Yanmar 6AYM-WST 659HP Marine Diesel Engine

Ready to power your vessel with one of the most reliable inboard diesel engines on the market? Contact Marine Inboard Specialists today to get pricing, availability, and technical recommendations for the Yanmar 6AYM-WST 659HP engine. Whether you’re outfitting a new vessel or repowering an existing one, we’ll provide the solution that meets your operational needs.