Description
Technical description of Volvo Penta D4 320 Marine Diesel Engine 320 HP.
The Volvo Penta D4-320 is a 3.7-liter, in-line 4-cylinder turbocharged diesel engine designed for marine applications. With a power output of 320 horsepower at 3,600 RPM, it offers a blend of performance, efficiency, and reliability, making it suitable for various recreational and light commercial vessels.
Technical Specifications
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Engine Configuration: In-line 4-cylinder
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Displacement: 3.7 liters
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Aspiration: Turbocharged with aftercooler
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Fuel System: Common-rail direct fuel injection
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Power Output: 320 HP (235 kW) at 3,600 RPM
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Torque: Approximately 700 Nm (516 lb-ft) at 2,500 RPM
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Cooling System: Heat exchanger or keel cooling
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Electrical System: 12V or 24V DC
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Engine Management: Electronic Vessel Control (EVC)
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Dry Weight: Approximately 610 kg (1,345 lbs) with ZF68IV transmission
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Certifications: Meets EPA Tier 3, IMO II, and EU Stage IIIA emissions standards
Key Features
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High Torque at Low RPM: Delivers rapid acceleration and efficient cruising, even under heavy loads.
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Compact and Robust Design: Utilizes advanced materials for durability and reduced weight.
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Low Noise and Vibration: Enhanced by a balance shaft and optimized engine suspension.
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Electronic Vessel Control (EVC): Enables features like Joystick Docking and Glass Cockpit integration.
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Extended Service Intervals: Includes replaceable full-flow and bypass oil filters, oil level and temperature sensors, and a crankcase oil separator.
Applications
The D4-320 engine is ideal for:
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High-Performance Pleasure Craft: Sport boats and luxury cruisers requiring reliable power.
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Sport Fishing Vessels: Providing the necessary torque for offshore excursions.
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Light-Duty Commercial Boats: Suitable for applications like pilot boats and small ferries.
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Repowering Projects: Compatible with various marine drives, including ZF68IV, HS68A, and HS85A transmissions, as well as stern drives.
Maintenance and Serviceability
Volvo Penta emphasizes ease of maintenance:
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Accessible Service Points: Simplifies routine maintenance tasks.
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Durable Construction: Built with marine-grade materials to withstand harsh conditions.
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Comprehensive Support: Backed by a network of authorized service centers for repairs and parts.
The Volvo Penta D4-320 marine diesel engine offers a combination of power, efficiency, and reliability, making it a solid choice for various marine applications. Its advanced features and design ensure a smooth and enjoyable boating experience.
For more information or to purchase, you can visit Marine Power Engine or contact them directly at info@marinepowerengine.com.