Volvo Penta D4 320 Marine Diesel Engine 320 HP

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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

  • Engine Configuration: In-line 4-cylinder

  • Displacement: 3.7 liters

  • Aspiration: Turbocharged with aftercooler

  • Fuel System: Common-rail direct fuel injection

  • Power Output: 320 HP (235 kW) at 3,600 RPM

  • Torque: Approximately 700 Nm (516 lb-ft) at 2,500 RPM

  • Cooling System: Heat exchanger or keel cooling

  • Electrical System: 12V or 24V DC

  • Engine Management: Electronic Vessel Control (EVC)

  • Dry Weight: Approximately 610 kg (1,345 lbs) with ZF68IV transmission

  • Certifications: Meets EPA Tier 3, IMO II, and EU Stage IIIA emissions standards


Key Features

  • High Torque at Low RPM: Delivers rapid acceleration and efficient cruising, even under heavy loads.

  • Compact and Robust Design: Utilizes advanced materials for durability and reduced weight.

  • Low Noise and Vibration: Enhanced by a balance shaft and optimized engine suspension.

  • Electronic Vessel Control (EVC): Enables features like Joystick Docking and Glass Cockpit integration.

  • 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:

  • High-Performance Pleasure Craft: Sport boats and luxury cruisers requiring reliable power.

  • Sport Fishing Vessels: Providing the necessary torque for offshore excursions.

  • Light-Duty Commercial Boats: Suitable for applications like pilot boats and small ferries.

  • 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:

  • Accessible Service Points: Simplifies routine maintenance tasks.

  • Durable Construction: Built with marine-grade materials to withstand harsh conditions.

  • 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.