Volvo Penta D1-30 Marine Diesel Engine: Efficient 30hp Power
The Compact, Modern Three-Cylinder Performer for Mid-Size Sailboats
Introduction
The Volvo Penta D1-30 marine diesel engine is a masterclass in modern diesel design, offering an impressive 30 horsepower from a remarkably compact and efficient three-cylinder platform. At Wave Inboard Motors, our technicians are factory-trained on Volvo Penta systems, giving us direct, hands-on experience with the installation, servicing, and repair of the entire D1 series. This 30hp marine diesel engine has become a cornerstone for sailors who demand a perfect balance of power, smoothness, and space-saving design.
Engineered as the ideal sailboat repower engine for vessels in the 32′ to 38′ range, the D1-30 delivers the smooth, quiet operation characteristic of a three-cylinder engine, a significant upgrade from older two-cylinder models. Its modern electronic management system optimizes fuel injection for exceptional efficiency and lower emissions, while its standard fresh-water cooling system (heat exchanger) ensures superior longevity. For owners seeking a compact, powerful, and modern diesel, the Volvo Penta D1-30 for sale represents a top-tier, feature-rich option.
This page provides a transparent look at its specifications, an honest comparison against its key rivals, and a clear breakdown of your best replacement options for a seamless repower.
Technical Specifications Table
| Specification | Detail |
|---|---|
| Model | Volvo Penta D1-30 |
| Engine Type | 3-Cylinder, 4-stroke, water-cooled diesel |
| Displacement | 1.6 L (1600 cc) |
| Max Output | 27 HP (20 kW) @ 3500 RPM (Note: Marketed as D1-30, actual output is 27hp) |
| Bore x Stroke | 72 mm x 78.9 mm |
| Compression Ratio | 23.0:1 |
| Cooling System | Heat Exchanger (Closed-Cooling) |
| Starting System | 12V Electric Start |
| Alternator Output | 12V – 40A (115A optional) |
| Dry Weight | 140 kg (309 lbs) |
| Dimensions (LxWxH) | Approx. 695mm x 542mm x 542mm |
| Gear Ratio | 2.15:1 (Standard on S-Drive) |
Competitor Comparison Table
| Feature | Volvo Penta D1-30 | Yanmar 3YM30 | Beta Marine 30 |
|---|---|---|---|
| Engine Type | 3-Cylinder, Electronic | 3-Cylinder, Electronic | 3-Cylinder, Electronic |
| Power (HP) | 27 HP @ 3500 RPM | 29 HP @ 3600 RPM | 28 HP @ 3000 RPM |
| Fuel Efficiency | Excellent (Electronic Management) | Excellent | Very Good |
| Weight | 309 lbs (140 kg) | 315 lbs (143 kg) | 320 lbs (145 kg) |
| Reliability | Very Good (Well-Engineered) | Exceptional (Yanmar reputation) | Excellent (Kubota Block) |
| Parts Availability | Good (Strong Dealer Network) | Excellent (Global Yanmar Support) | Good (Kubota-based parts ease) |
| Key Differentiator | Compact design, smooth power delivery | Slightly higher HP, strong reputation | Kubota industrial base, simplicity |
Verdict: The Volvo Penta D1-30 is a highly competitive and well-engineered engine. Its key advantage is its compact design, often allowing it to fit into spaces where other engines might not. While the Yanmar 3YM30 offers slightly more horsepower and has a formidable reputation, the D1-30 matches it closely in efficiency and smoothness. The Beta Marine 30 offers excellent Kubota-based reliability. The best choice often comes down to specific fitment constraints, desired features, and local dealer support.
Replacement Options Table
| Consideration | Rebuild Older Engine (e.g., Universal 25) | Install Remanufactured D1-30 | Install Brand New Equivalent |
|---|---|---|---|
| Condition | Outdated technology, potential for hidden issues | Like-new, zero hours, modern performance | Perfect, factory-fresh with full warranty |
| Warranty | None (on rebuild itself) | Full 1-Year Parts & Labor Warranty | Full Manufacturer Warranty |
| Power | Original HP | 27 HP | 27-30 HP |
| Noise/Vibration | Typically higher | Low (Modern, balanced three-cylinder) | Lowest |
| Total Project Value | Lowest (Investing in old tech) | High (Best value for performance) | Highest (Peak performance & warranty) |
Expert Recommendation: For a boat that originally had a 25-30hp engine, a professionally remanufactured Volvo Penta D1-30 offers outstanding value and performance. It delivers the smooth, efficient, and reliable operation of a modern engine without the premium cost of a brand-new unit. The jump in performance and refinement from an older engine to a remanufactured D1-30 is transformative. We rarely recommend rebuilding an outdated engine when such efficient modern options are available as remanufactured units.
Pros and Cons Table
| Pros | Cons |
|---|---|
| Smooth & Quiet Three-Cylinder Operation | Volvo Penta parts and service can be more expensive |
| Extremely Compact Design | Electronic systems require a knowledgeable technician |
| Excellent Fuel Efficiency | Brand perception of higher cost of ownership |
| Standard Heat Exchanger Cooling | |
| Modern Electronic Instrumentation | |
| Good Overall Performance |
Link to Our Core Service Pages:
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“Ensure a perfect fit and optimal performance with our 【Volvo Penta Installation Services】.”
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“Protect your investment with our tailored 【Annual Marine Engine Maintenance】 plans designed for Volvo engines.”
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“Our experts can manage your entire 【Sailboat Repower Project】 from start to finish.”
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“We source and supply genuine 【Volvo Penta Marine Engine Parts】 for all your service needs.”
Link to Informational Blog Posts:
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“Is it the right time? Learn the 【5 Signs You Need a Marine Engine Repower】.”
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“Understand the key differences in 【Volvo Penta vs. Yanmar: A Mechanic’s Comparison】.”
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“Planning your project? We break down the 【Costs of Repowering a Sailboat】.”
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“We explain the critical factors in 【Choosing the Right HP for Your Sailboat Repower】.”

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