Volvo Penta D4-300 Aquamatic Sterndrive Marine diesel engine 300hp
$41,972.00
For buyers comparing a Volvo Penta D4-300 for sale against other sterndrive options, the D4-300 remains one of the most balanced diesel sterndrive systems in its class.
- Description
Description
Volvo Penta D4-300 Aquamatic Sterndrive Marine Diesel Engine 300HP For Sale | Coastal Wave Marine
High-Performance Sterndrive Diesel Power for Planing Boats
The Volvo Penta D4-300 Aquamatic Sterndrive marine diesel engine 300HP for sale at Coastal Wave Marine is a proven, fully integrated propulsion solution for fast cruising boats, sport yachts, and premium recreational vessels. Available as new or used Volvo Penta D4-300 Aquamatic sterndrive marine diesel engine 300HP for sale, this model delivers exceptional torque, fuel efficiency, and maneuverability.
For buyers comparing a Volvo Penta D4-300 for sale against other sterndrive options, the D4-300 remains one of the most balanced diesel sterndrive systems in its class.
Engine & Aquamatic Sterndrive Integration
At the heart of this system is a 3.7-liter inline 4-cylinder common-rail diesel paired with the Volvo Penta Aquamatic sterndrive. The result is a compact, lightweight propulsion package that improves:
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Acceleration and planing time
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Low-speed docking control
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Overall fuel efficiency
This makes it a strong alternative for customers researching a Volvo D4 marine engine for sale or comparing sterndrive vs inboard diesel setups.
Real-World Performance & Marine Torque
The D4-300 is engineered to deliver strong torque across the full RPM range. This translates into:
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Confident handling in rough seas
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Excellent mid-range cruising performance
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Reliable load-carrying capability
These characteristics are why many owners choose the Volvo Penta D4 sterndrive for coastal cruising and performance boating.
Fuel Efficiency & Operating Costs
Thanks to its advanced common-rail fuel system and efficient Aquamatic sterndrive, the engine offers competitive Volvo Penta D4-300 fuel consumption figures, helping owners manage long-term operating costs—an important factor when evaluating Volvo Penta D4 price versus gasoline alternatives.
Electronic Vessel Control & Helm Integration
The system supports Volvo Penta’s Electronic Vessel Control (EVC), enabling features such as:
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Single-lever operation
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Optional joystick docking
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Integrated instrumentation and diagnostics
This electronic integration improves both safety and ease of operation.
Reliability, Cooling & Known Ownership Considerations
The engine features standard freshwater cooling to minimize corrosion and maintain optimal operating temperatures. When properly maintained, the D4-300 is known for long service life. Buyers researching Volvo Penta D4-300 problems should note that most reported issues are maintenance-related rather than design flaws, reinforcing the importance of proper servicing.
Technical Specifications – Volvo Penta D4-300 Aquamatic
| Specification | Details |
|---|---|
| Engine Model | Volvo Penta D4-300 Aquamatic |
| Engine Type | Inline 4-cylinder marine diesel |
| Displacement | 3.7 L |
| Rated Power | 300 HP (221 kW) |
| Rated RPM | 3500 |
| Aspiration | Turbocharged with charge air cooler |
| Fuel System | Common-rail diesel injection |
| Drive System | Aquamatic sterndrive |
| Control System | Electronic Vessel Control (EVC) |
| Cooling System | Freshwater / heat exchanger |
| Emissions | IMO NOx Tier II, EPA Tier 3, EU RCD Stage II |
Warranty & Purchase Assurance
Warranty Coverage
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Volvo Penta limited factory warranty (new engines)
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Used engines offered with inspection reports and condition disclosure
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Warranty terms vary by engine age and application
Why Buy from Coastal Wave Marine
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Specialists in Volvo marine engines for sale
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Transparent engine history and documentation
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Expert guidance on sterndrive compatibility
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After-sale support for parts and service
Frequently Asked Questions (FAQs)
Is the Volvo Penta D4-300 good for high-speed boats?
Yes. It is specifically designed for planing hulls requiring strong acceleration and cruising efficiency.
How does it compare to other D4 models?
The D4-300 sits at the top of the D4 range, offering the highest output compared to lower-power variants.
Is a used Volvo Penta D4-300 a good investment?
Yes, when properly serviced. Many buyers actively seek a used Volvo Penta D4-300 Aquamatic sterndrive marine diesel engine 300HP for sale due to durability and resale value.
Are parts readily available?
Yes. Volvo Penta maintains a global parts and service network.






