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Yanmar 8LV-320 320HP Marine Diesel Propulsion Engine
The Yanmar 8LV-320 320HP marine diesel propulsion engine directly delivers 320 HP at 3800 RPM via common rail direct injection system architecture
- Features twin turbocharged water cooled intercoolers
- Maintains 4.460 Liters total displacement
- Supports native NMEA 2000 output protocols
- Requires diesel fuel number 2 D
- Weighs 435 kg dry engine only
- Meets EPA Tier 3 emission requirements
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Description
The Yanmar 8LV-320 320HP Marine Diesel Propulsion Engine eliminates frustrating power lag and violent hull vibrations on high-end luxury motor yachts, twin-engine fast planing sportfishers, and large express cruisers by delivering smooth, responsive V8 power distribution. Running on standard number 2-D marine diesel, this high-performance four-stroke propulsion engine coordinates common rail direct injection systems to replace noisy, uncalibrated legacy mechanical diesels entirely. Vessel captains can accelerate through heavy offshore swells safely, letting the advanced twin-turbocharged induction network balance air-to-fuel ratios flawlessly up to a peak 3800 RPM full throttle range.
Constructed with a freshwater cooling system via a heat exchanger with raw water internal loops, the vertical water-cooled block prevents block hot spots inside unventilated machinery rooms. The robust 4.460-liter engineering architecture delivers an intense 320 horsepower crankshaft output, managing dynamic charging parameters via an integrated 180 Amp alternator matrix. Procuring this premium Japan-manufactured marine diesel engine optimizes helm data tracking via native NMEA 2000 outputs and Yanmar VC10 electronic vessel controls, backed by a comprehensive 2-Year limited pleasure marine factory warranty plan.
Key Features of Yanmar 8LV-320
- V8 Four-Stroke Vertical Marine Diesel Propulsion Engine links a high-torque 4460 cc cylinder layout with advanced common rail injection to secure elite power-to-weight metrics.
- Twin Turbocharged with Water-Cooled Intercooler Aspiration forces compressed charge-air into combustion chambers forcefully to generate instantaneous acceleration under heavy boat loads.
- Common Rail Direct Injection System CRDI technology multi-calibrates fuel pressure curves dynamically to minimize fuel burn while completely eliminating standard diesel smoking.
- Integrated 180 Amps 12 Volts Charging Matrix delivers high electrical current straight to deep-cycle house batteries to run complex navigation bridges easily.
- Native NMEA 2000 and Yanmar VC10 Control Protocols transmits real-time RPM, fluid temperatures, and diagnostic fault codes across dashboard chartplotters instantly without external gateways.
- Strict EPA Tier 3 and IMO Tier II Compliance fulfills strict global marine environmental protection laws by optimizing internal thermal combustion efficiency.
- Fresh Water Cooling via Heat Exchanger seals crucial aluminum internal galleries from raw saltwater corrosion using closed loop antifreeze circulation.
- Rugged 86.0 mm Bore by 96.0 mm Stroke Assembly provides a heavy-duty mechanical foundation engineered to withstand thousands of continuous offshore runtime hours.
- Low Profile Balanced Structural Engine Block Block limits dry weight metrics to 959 lbs to maximize 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.
In the Box
- 1x Yanmar 8LV-320 320HP Marine Diesel Engine Unit
- 1x Integrated 180A High-Output Alternator Assembly
- 1x Closed-Loop Fresh Water Heat Exchanger System Module
- 1x Technical Calibration Wiring Harness and Installation Reference Manual
Twin Turbocharged Common Rail Engineering Shields Luxury Yachts
Designed for high-end luxury motor yachts and fast planing sportfishers ranging from 30 to 45 feet, this 320HP V8 marine diesel ensures stable propulsion tracking that guards vessel safety. The advanced electronic vessel control configuration coupled with comprehensive 2-Year limited pleasure marine factory warranty coverage shields owners from unexpected mechanical breakdowns and expensive repair bills. Changing primary fuel filter elements and monitoring raw water impeller wear according to standard seasonal care routines ensures pristine block reliability, protecting your yacht asset through years of continuous blue-water transit.
Yanmar 8LV-320 320HP Marine Diesel Propulsion Engine Specs
| Brand | Yanmar |
| Full Model SKU/Code | 8LV320 |
| Country of Origin | Japan |
| Engine Family/Series | 8LV Series High-Performance Diesel |
| Engine Type / Configuration | V8, 4-Stroke, Vertical Water-Cooled Marine Diesel |
| Fuel Type | Marine Diesel |
| Displacement | 4.460 Liters / 4460 cc |
| Horsepower Output | 320 HP / 235 kW (At Crankshaft) |
| Full Throttle RPM Range | 3800 RPM |
| Aspiration / Induction System | Twin Turbocharged with Water-Cooled Intercooler |
| Fuel Injection System | Common Rail Direct Injection System (CRDI) |
| Bore x Stroke | 86.0 mm x 96.0 mm |
| Compression Ratio | 15.8:1 |
| Cooling System Method | Fresh Water Cooling via Heat Exchanger with Raw Water Internal Loops |
| Alternator Output | 180 Amps / 12 Volts Total Charging Matrix |
| Data Bus / Digital Control Protocols | Native NMEA 2000 Output & Yanmar VC10 Electronic Vessel Control System |
| Recommended Fuel Grade | Diesel Fuel No. 2-D, Cetane Rating Min 45 |
| Emission Compliance | EPA Tier 3, IMO Tier II, EU RCD 2 |
| Dry Weight | 435 kg / 959 lbs (Engine unit only without marine gear) |
| Application | Primary propulsion for high-end luxury motor yachts, twin-engine fast planing sportfishers, and large express cruisers requiring smooth V8 power distribution (30-45 ft boat lengths) |
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