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:
Acceleration and planing time
Low-speed docking control
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:
Confident handling in rough seas
Excellent mid-range cruising performance
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:
Single-lever operation
Optional joystick docking
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
Volvo Penta limited factory warranty (new engines)
Used engines offered with inspection reports and condition disclosure
Warranty terms vary by engine age and application
Why Buy from Coastal Wave Marine
Specialists in Volvo marine engines for sale
Transparent engine history and documentation
Expert guidance on sterndrive compatibility
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.






