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Engine:
Marine Diesel Engine
Maker:
Yanmar
Model:
6LY2A-STP
Total Power:
440hp
Year:
2025
Configuration:
Inline
Usage:
Freshwater & Saltwater
Description
The Yanmar 6LY2A-STP is a proven 6-cylinder powerhouse delivering an impressive 440 horsepower of clean, dependable marine propulsion. Designed for commercial and performance vessels, this engine combines rugged mechanical fuel injection with smooth operation and outstanding fuel efficiency — making it one of Yanmar’s most trusted heavy-duty marine engines.
This bobtail unit (no gearbox) has been removed from a navy vessel as part of a scheduled…
The Yanmar 6LY2A-STP is a proven 6-cylinder powerhouse delivering an impressive 440 horsepower of clean, dependable marine propulsion. Designed for commercial and performance vessels, this engine combines rugged mechanical fuel injection with smooth operation and outstanding fuel efficiency — making it one of Yanmar’s most trusted heavy-duty marine engines.
This bobtail unit (no gearbox) has been removed from a navy vessel as part of a scheduled EPA compliance repower program. With only 1,799 operating hours, it remains in excellent mechanical condition — fully serviced, freshwater-cooled, and ready for immediate installation.
Built for long-term reliability, the 6LY2A-STP provides exceptional torque, low vibration, and superior durability. Whether used for repowering commercial vessels, pilot boats, or large cruisers, this engine delivers professional-grade performance and Yanmar’s signature engineering excellence.
Key Specifications
Make: Yanmar
Model: 6LY2A-STP Marine Diesel Engine (Bobtail)
Year: 2025
Condition: Used (Low Hours, Excellent Condition)
Power: 440hp
Fuel Type: Diesel
Engine Type: Marine Diesel Engine
Configuration: Inline
Cylinders: 6
Max RPM: 3300 rpm
Voltage: 12V
Cooling System: Fresh Water Cooled (Heat Exchanger System)
Fuel System: Mechanical Fuel Injection
Starting System: Electric Start
Usage: Suitable for Commercial and Recreational Vessels (Fresh & Salt Water)
Features & Details
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Powerful Yanmar 6-cylinder diesel engine delivering 440hp at 3300 rpm
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Bobtail configuration (gearbox optional and available upon request)
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Low hours: approximately 1,799+ from navy service use
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Freshwater-cooled for enhanced corrosion protection and long service life
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Fully inspected and tested, ready for repowering or new installation
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Mechanical fuel injection system for simple maintenance and high reliability
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Compact design offering excellent power-to-weight ratio and installation flexibility
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Ideal for heavy-duty applications – patrol boats, workboats, and commercial craft
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Optional gearbox and control systems can be supplied on request
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Worldwide delivery available via air, sea, or road freight
Condition & Warranty
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Engine removed from navy vessel due to regulatory upgrade program
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Fully serviced and tested – excellent mechanical and cosmetic condition
-
Covered by limited warranty for buyer confidence
Contact Information:
Phone: +44 7563 715118
Email: sales@boatsgroupinternationalllc.com
Website: boatsgroupinternationalllc.com
Contact for a price
Engine:
Marine Diesel Engine
Maker:
Yanmar
Model:
6LY2A-STP
Total Power:
440hp
Year:
2025
Configuration:
Inline
Usage:
Freshwater & Saltwater
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