Description

Volvo Penta D4-300 Marine Diesel Inboard Engine 300HP For Sale

The Volvo Penta D4-300 is a high-performance marine diesel inboard engine engineered for cruising yachts, offshore fishing boats, sportfishing vessels, patrol craft, passenger vessels, commercial workboats, and marine repower projects requiring exceptional power, fuel efficiency, and long-term reliability. Producing 300 horsepower from Volvo Penta’s advanced 3.7-liter inline four-cylinder diesel platform, the D4-300 delivers outstanding acceleration, impressive marine torque, and smooth operation in a compact package specifically designed for demanding marine applications.

Built around Volvo Penta’s proven D4 engine architecture, the D4-300 combines electronically controlled common-rail fuel injection, double overhead camshafts, turbocharging, and advanced engine management technology to maximize performance while reducing fuel consumption and emissions. The result is a propulsion solution that delivers strong cruising performance, low operating costs, and dependable operation throughout its service life.

For vessel owners searching for a Volvo Penta D4-300 for sale, the D4-300 remains one of the most popular and respected marine diesel engines in its class.

As a trusted Volvo Penta diesel engine, the D4-300 continues to be relied upon by boatbuilders, vessel owners, and commercial operators worldwide.

Part of the Volvo Penta D4 Marine Engine Series

The Volvo Penta D4-300 belongs to Volvo Penta’s highly successful D4 Series of marine diesel engines. Designed to deliver industry-leading power density, excellent fuel economy, and exceptional reliability, the D4 platform has become one of the most widely used marine propulsion systems available today.

The Volvo Penta D4 Series includes:

• Volvo Penta D4-180
• Volvo Penta D4-225
• Volvo Penta D4-260
• Volvo Penta D4-300
• Volvo Penta D4-320

Positioned near the top of the D4 range, the D4-300 offers an outstanding balance of horsepower, operating economy, and long-term durability.

Advanced 3.7-Liter Inline Four-Cylinder Diesel Platform

At the heart of the Volvo Penta D4-300 is a sophisticated 3.7-liter inline four-cylinder diesel engine incorporating Volvo Penta’s latest marine propulsion technologies.

Key technologies include:

• Electronically controlled common-rail fuel injection
• Double overhead camshafts (DOHC)
• Turbocharger with charge air cooler
• Integrated balance shaft
• Advanced electronic engine management

These technologies provide:

• Exceptional fuel economy
• Strong low-end and mid-range torque
• Immediate throttle response
• Reduced emissions
• Smooth operation
• Long-term durability

The advanced fuel system continuously optimizes combustion efficiency, ensuring dependable performance under varying operating conditions.

High Performance with Smooth Operation

The Volvo Penta D4-300 has been engineered to deliver powerful performance while maintaining excellent onboard comfort.

The combination of common-rail fuel injection, turbocharging, integrated balance shaft technology, and optimized engine suspension reduces vibration and engine noise levels while improving responsiveness.

Benefits include:

• Rapid acceleration
• Excellent cruising performance
• Smooth power delivery
• Reduced vibration levels
• Lower engine noise
• Enhanced passenger comfort

Whether cruising offshore or operating commercially, the D4-300 delivers confident and reliable performance.

Compact and Robust Marine Design

Despite producing 300 horsepower, the D4-300 remains remarkably compact for its displacement and power output.

The engine features:

• Rigid cast-iron cylinder block
• Cast-iron cylinder head
• Heavy-duty engine cover
• Integrated balance shaft
• Compact installation dimensions
• Easily accessible service points

This robust design contributes to exceptional reliability while simplifying installation and maintenance.

Unique Volvo Penta Marine Torque

One of the defining characteristics of the Volvo Penta D4 Series is its unique marine torque profile.

The D4-300 has been specifically engineered to deliver torque where marine operators need it most.

Advantages include:

• Increased load-carrying capability
• Strong low-RPM pulling power
• Rapid acceleration onto plane
• Excellent mid-range performance
• Consistent cruising speeds
• Improved vessel responsiveness

The result is dependable propulsion performance regardless of vessel load or sea conditions.

Low Fuel Consumption and Reduced Operating Costs

Fuel efficiency remains one of the major strengths of the Volvo Penta D4-300.

The electronically controlled common-rail fuel system continuously monitors engine operating conditions and adjusts fuel delivery to maximize efficiency.

Benefits include:

• Lower fuel consumption
• Reduced operating costs
• Extended cruising range
• Lower emissions
• Improved ownership value

For vessel owners evaluating long-term operating expenses, the D4-300 offers an excellent balance of performance and economy.

Advanced Electronic Control Systems

The Volvo Penta D4-300 comes standard with advanced electronic engine management and supports Volvo Penta’s industry-leading control systems.

Electronic Vessel Control (EVC)

The Electronic Vessel Control platform integrates:

• Engine management
• Instrumentation
• Diagnostics
• Electronic controls
• Vessel systems integration

EVC simplifies operation while providing valuable real-time engine and performance information.

Marine Commercial Control System (MCCS)

For commercial applications, Volvo Penta also offers the Marine Commercial Control System, allowing seamless integration with onboard vessel management systems.

Long Service Life and Easy Maintenance

The Volvo Penta D4-300 has been designed to maximize uptime and reduce maintenance requirements.

Features include:

• Easily accessible service points
• Advanced filtration systems
• Fuel pre-filter options
• PTO capability
• Durable marine-grade components
• Comprehensive Volvo Penta service support

Combined with Volvo Penta-approved lubricants, oils, and coolants, the D4-300 is built for years of dependable service.

Common Applications

The Volvo Penta D4-300 is commonly installed in:

• Cruising yachts
• Offshore fishing boats
• Sportfishing vessels
• Passenger craft
• Commercial workboats
• Patrol boats
• Utility vessels
• Marine repower projects

Its compact footprint and outstanding power-to-weight ratio make it suitable for a broad range of recreational and commercial applications.

Why Choose the Volvo Penta D4-300 for Repower Projects?

The D4-300 is a popular repower solution for vessel owners upgrading older marine diesel engines.

Repower benefits include:

• Improved fuel economy
• Modern electronic controls
• Reduced maintenance costs
• Better reliability
• Enhanced vessel performance
• Increased resale value

Titan Marine Diesel provides expert repower assistance, including compatibility assessments and technical guidance throughout the project.

What’s Included with the Engine?

Depending on configuration, engine packages may include:

• Volvo Penta D4-300 marine diesel engine
• Engine wiring harness
• Electronic control system
• Instrumentation package
• Engine mounts
• Operator documentation
• Warranty documentation

Package contents may vary depending on vessel requirements and selected options.

Technical Features

• Electronically controlled common-rail fuel injection
• Double overhead camshafts
• Turbocharger with charge air cooler
• Integrated balance shaft
• Electronic Vessel Control compatibility
• Heavy-duty engine cover
• PTO capability
• Compact installation dimensions
• Easily accessible service points
• Robust marine-grade construction

Technical Specifications

Worldwide Shipping Available

Titan Marine Diesel supplies Volvo Penta marine engines worldwide for new vessel construction, commercial applications, and repower projects.

Available services include:

• Export crating
• International freight
• Port-to-port delivery
• Door-to-door shipping
• Export documentation support
• Global logistics coordination

Warranty Coverage

Every new Volvo Penta D4-300 supplied by Titan Marine Diesel includes manufacturer-backed warranty coverage, subject to Volvo Penta warranty registration requirements and applicable terms.

Extended warranty programs may be available for qualifying recreational and commercial applications.

Frequently Asked Questions

What type of vessel is the Volvo Penta D4-300 best suited for?

The D4-300 is commonly installed in cruising yachts, offshore fishing boats, commercial vessels, patrol craft, and marine repower projects.

Does the D4-300 support Volvo Penta Electronic Vessel Control?

Yes. The engine is fully compatible with Volvo Penta’s Electronic Vessel Control (EVC) platform.

Is the Volvo Penta D4-300 fuel efficient?

Yes. The advanced common-rail fuel injection system helps optimize fuel consumption while maintaining strong performance.

Is the D4-300 suitable for repowering older diesel engines?

Yes. Its compact dimensions, advanced controls, and fuel efficiency make it a popular repower solution.

How many cylinders does the D4-300 have?

The D4-300 features a 3.7-liter inline four-cylinder diesel engine configuration.

Can the engine be shipped internationally?

Yes. Titan Marine Diesel provides worldwide shipping and export logistics support.

Does the engine include warranty coverage?

Yes. Manufacturer-backed warranty coverage is included subject to Volvo Penta warranty registration requirements.

Request a Quote

Interested in the Volvo Penta D4-300 marine diesel inboard engine?

Contact Titan Marine Diesel today for availability, lead times, technical guidance, worldwide shipping options, and a customized quotation tailored to your vessel and propulsion requirements.