Yanmar 6LY3-STP Inboard Diesel Engine 440-HP

$7,800.00

Used Yanmar 6LY3-STP 440hp 24 valve with 3000 Engine Hours. Good Condition, Fully Tested and Ready to Install !!

Yanmar 6LY3-STP 5.813L 6-Cylinder 440 HP Inboard Diesel Engine

The Yanmar 6LY3-STP is a 440-horsepower, 6-cylinder marine diesel engine used primarily for high-performance pleasure craft and recreational yachts.

SPECIFICATION
Configuration: In-line 6-cylinder, 24-valve, 4-stroke diesel engine
Maximum Output: 440 mhp / 324 kW at 3300 rpm (at the crankshaft)
Displacement: 5.813 L (354 cu. in.)
Bore x Stroke: 106 mm x 110 mm
Aspiration: Turbocharged and intercooled
Combustion System: Direct injection
Dry Weight: 640 kg / 1411 lbs
Dimensions: 1458 mm x 907 mm x 876 mm
Alternator: 12V - 120A
Control Systems: Classic (hybrid) and unlimited (electronic) options
Emissions Certification: IMO Tier 2

KEY FEATURES
Advanced Electronic Control: Manages fuel delivery, precise high-pressure pump injection timing, gear shifting, and diagnostics.
Improved Efficiency & Power: Delivers high torque across the power band, offering better fuel economy and up to 9% greater power output than predecessor models.
Cold-Start & Idle Comfort: Minimizes white smoke and fuel odor during cold starts while significantly reducing idle noise and vibration.
Power-to-Weight Ratio: Engineered as a lightweight block in its horsepower category, making it a popular choice for twin-cab cruisers, sportfishers, and commercial workboats.

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