Volvo Penta D4-300 Aquamatic Sterndrive Marine Diesel Engine 300HP – Precision, Power, and Efficiency | JB Marine GmbH
The Volvo Penta D4-300 Aquamatic Sterndrive Marine Diesel Engine (300HP) is a 4-cylinder, 3.7-liter common-rail diesel engine engineered for exceptional performance, precision, and fuel efficiency. Designed for both recreational and commercial vessels, it combines Volvo’s proven marine engineering with cutting-edge Aquamatic Sterndrive technology, offering superior control, acceleration, and reliability.
Featuring double overhead camshafts (DOHC), a Variable Geometry Turbo (VGT), and an advanced Electronic Vessel Control (EVC) system, the D4-300 delivers instant throttle response, smooth maneuverability, and low fuel consumption — setting new standards in marine propulsion.
At JB Marine GmbH, we provide new Volvo Penta marine diesel engines for sale, backed by official manufacturer warranties, expert installation support, and genuine OEM Volvo Penta parts, ensuring maximum reliability, performance, and longevity.
Superior Marine Power with Aquamatic Sterndrive Precision
The Volvo Penta D4-300 is built for demanding marine environments, combining durable design, efficient performance, and modern electronic integration. With the Aquamatic Sterndrive system it delivers a seamless blend of inboard power and outboard agility, offering unmatched control, stability, and responsiveness at every speed.
Ideal for planning boats, cruisers, and commercial workboats, this model provides high torque at low RPM, making it perfect for rapid acceleration, consistent cruising, and excellent maneuvering — even in tight docking conditions.
Technical Specifications
| Specification | Details |
|---|---|
| Rated Power | 300 HP (221 kW) |
| Number of Cylinders | 4 |
| Displacement | 3.7 L |
| Aspiration | Turbocharged with Compressor and Charge Air Cooler |
| Fuel Injection System | Common-Rail Diesel Injection |
| Control System | Electronic Vessel Control (EVC) |
| Cooling System | Heat Exchanger Cooling (Freshwater Cooled) |
| Fuel Consumption | 221 g/kWh (Optimized Efficiency) |
| Emission Compliance | IMO NOx Tier II, EU RCD Stage II, EPA Tier 3 |
| Steering System | Electronic Steering with Joystick Control |
| Turbo Technology | Variable Geometry Turbo (VGT) |
| Material | Aluminum Alloy Cylinder Block & Head |
| Drive Type | Aquamatic Sterndrive |
Key Features and Benefits of the Volvo Penta D4-300
Advanced Power and Fuel Efficiency
The common-rail injection system ensures precise fuel delivery, improving fuel efficiency and reducing emissions. With a 3.7L displacement and VGT technology, it delivers exceptional torque, low fuel consumption, and smooth acceleration across the power range.
Durable Construction and Long Service Life
The aluminum cylinder block and head provide a robust yet lightweight structure for marine use. The heat exchanger cooling system prevents internal corrosion, extending engine life and maintaining optimal operating temperatures in all conditions.
Compact and Lightweight Design
With its optimized power-to-weight ratio, the D4-300 offers powerful performance without excessive mass. Its compact layout allows for flexible installation, ideal for a wide range of vessel configurations.
Exceptional Maneuverability with Aquamatic Sterndrive
The Aquamatic Sterndrive system combines high-speed efficiency with precise control. Equipped with electronic steering and joystick maneuvering, it allows effortless docking and tight turning, enhancing safety and comfort during navigation.
Integrated Electronic Vessel Control (EVC) System
Volvo Penta’s EVC platform seamlessly integrates engine, steering, and optional features like joystick control, cruise mode, and single-lever operation. It also provides real-time diagnostics, reducing downtime and enhancing operational control.
Variable Geometry Turbo (VGT) Technology
The VGT turbocharger adjusts boost pressure dynamically, providing instant throttle response and consistent torque output across RPMs — ensuring smooth, powerful acceleration in all load conditions.
Reliable Freshwater Cooling System
The standard freshwater cooling with a heat exchanger enhances thermal performance and prevents saltwater corrosion, ensuring long-term engine protection and stable temperatures even in demanding marine environments.
Why Choose JB Marine GmbH for Your Volvo Penta Engine
At JB Marine GmbH, we specialize in premium Volvo Penta marine diesel engines, providing authentic products, expert guidance, and after-sales support trusted by both commercial operators and private boat owners.
We ensure every customer receives a genuine Volvo Penta engine, fully tested, warrantied, and supported by an experienced marine engineering team. Whether you need a 4-cylinder propulsion system for your yacht or a 6-cylinder engine for heavy-duty applications, JB Marine GmbH offers complete marine solutions across Germany and Europe.
What You Get with JB Marine GmbH
-
Genuine Volvo Penta D4-300 engine with full manufacturer warranty
-
Expert technical consultation and configuration support
-
Fast, secure delivery throughout Germany, Europe, and select global destinations
-
Access to genuine Volvo Penta parts and service kits
-
Comprehensive after-sales and maintenance support
Warranty Information
All Volvo Penta engines supplied by JB Marine GmbH come with the official manufacturer’s warranty, guaranteeing long-term protection and peace of mind.
-
Standard Warranty: 3 Years or 1,000 Operating Hours (whichever comes first)
-
Extended Warranty Options: Available upon request
Our certified technicians can assist with installation, diagnostics, and warranty claims, ensuring your Volvo Penta engine continues to perform at optimal efficiency.
Frequently Asked Questions (FAQ)
What is the price of a Volvo Penta D4-300 Aquamatic Sterndrive marine diesel engine?
Pricing depends on configuration, transmission type, and optional features. Contact JB Marine GmbH for current Volvo Penta D4-300 pricing and lead times.
Is the Volvo Penta D4-300 suitable for commercial use?
Yes. Its robust construction, high torque, and reliability make it ideal for both leisure craft and commercial vessels, including patrol boats and light workboats.
Does the D4-300 include genuine Volvo Penta parts?
Absolutely. Every D4-300 engine sold by JB Marine GmbH includes genuine Volvo Penta components, ensuring optimal reliability and full warranty coverage.
What are the benefits of the Aquamatic Sterndrive system?
The Aquamatic drive combines inboard diesel power with outboard agility, offering fuel efficiency, high top speed, and precise joystick control.
Do you offer international shipping?
Yes. JB Marine GmbH provides standard, express, and freight shipping options across Germany, Europe, and selected global regions.
Can I integrate this engine with onboard electronics?
Yes. The EVC system supports NMEA 2000 connectivity, enabling full integration with navigation and monitoring displays.
Order Your Volvo Penta D4-300 Aquamatic Sterndrive Engine Today
Experience precision performance, power, and fuel efficiency with the Volvo Penta D4-300 Aquamatic Sterndrive Marine Diesel Engine (300HP) — the ultimate propulsion system for modern boating.
Choose JB Marine GmbH, your trusted European supplier for Volvo Penta and Yanmar marine engines, OEM spare parts, and professional marine servicing.
Visit https://jbmarinegmbh.de/ to explore our full range of Volvo Penta engines for sale, or contact our expert sales team for a personalized quotation and configuration guidance.
