Yanmar 6LY2A-STP 440HP Inboard Diesel Marine Engine

Description

The Yanmar 6LY2A-STP 440HP Inboard Diesel Marine Engine resolves heavy hull vibration and sluggish acceleration tracking by delivering high-torque inline six-cylinder propulsion processing to high-performance planing hulls, sportfishing express boats, charter sportfishers, and coastal pilot crafts. Operating on standard number 2-D marine diesel, this heavy-duty four-stroke engine coordinates direct mechanical injection via high-pressure in-line distributor pumps to replace legacy low-power marine diesels entirely. Vessel captains can execute high-speed offshore transits safely, letting the advanced wastewater-gate turbocharger handle changing load stresses smoothly up to a peak 3300 RPM full throttle range.

Featuring a fresh water cooling system via a heat exchanger with raw water internal loops, the vertical inline-six block prevents internal hot spots inside tight engine compartments. The high-performance 5.813-liter computing block delivers an impressive 440 HP continuous crankshaft output, managing a standard 80 Amp at 24 Volts alternator array to keep auxiliary electrical banks charged without power faults. Procuring this premium Japan-manufactured inboard propulsion block establishes precise power-to-weight mechanical reliability, backed by an elite 2-Year limited pleasure marine factory warranty plan.

Key Features of Yanmar 6LY2A-STP

• Inline 6-Cylinder Four-Stroke Vertical Marine Diesel Engine links a high-torque 5813 cc cylinder layout with direct mechanical injection to secure elite mechanical reliability.
• Turbocharged with Wastegate and Fresh Water Cooled Intercooler alters boost thresholds dynamically to maximize low-end torque outputs while reducing acceleration lag under heavy tonnage.
• Direct Mechanical Injection via High-Pressure In-Line Distributor Pump calculates precise multi-point fuel timing parameters mechanically to optimize fuel burn profiles and minimize deck soot.
• Integrated 80 Amps 24 Volts Charging Array delivers a dedicated high-voltage electrical current straight to commercial-grade battery house banks smoothly.
• Fresh Water Cooling via Heat Exchanger seals crucial iron internal galleries from raw saltwater corrosion using closed loop antifreeze circulation layers.
• Rugged 106.0 mm Bore by 110.0 mm Stroke Assembly provides a heavy-duty mechanical foundation engineered to withstand thousands of continuous industrial runtime hours.
• Low Profile Balanced Structural Engine Block Block limits dry weight metrics to 1179 lbs to maximize high-performance planing hull velocity thresholds.
• High-Octane Minimum 45 Cetane Fuel Adaptation handles varied international marine diesel fuel grades smoothly without triggering injector knocking or valve soot buildup.
• Overbuilt 15.5’1 Structural Compression Ratio Architecture maximizes thermal combustion expansion to drive heavy boat loads forcefully through adverse currents.
• High Performance Planing Mechanical Propulsion Application Compatibility delivers an elite high power-to-weight mechanical powertrain optimized for hulls ranging from 32 to 52 feet.

In the Box

• 1x Yanmar 6LY2A-STP 440HP Inboard Marine Diesel Engine
• 1x Pre-Fitted 80A 24V High-Output Charging Alternator
• 1x Integrated Fresh Water Cooled Intercooler Heat Exchanger Assembly
• 1x Technical Instrumentation Interconnect Block Panel and Wiring Guide

High Power Wastegate Turbocharger Engineering Shields Charter Sportfishers

Optimized for high-performance planing hulls and charter sportfishers ranging from 32 to 52 feet, this inline six-cylinder heavy-duty diesel ensures stable inboard propulsion that guards vessel safety. The advanced direct mechanical injection configuration combined with comprehensive 2-Year limited pleasure marine factory warranty coverage shields owners from unexpected system breakdowns and expensive replacement bills. Keeping fuel pre-filters clean and free of water sediment preserves pristine high-pressure pump operation, keeping your propulsion investment operating flawlessly season after season.