Yanmar 4JH57 vs Volvo Penta D2-60 — Which Marine Diesel is Best for 45–50 ft Yachts?
A head-to-head comparison of two leading 50–60hp yacht diesel engines for 45–50 ft vessels
Introduction
When repowering a 45–50 ft yacht, the 50–60hp diesel class is one of the most popular. Two names dominate this category: the Yanmar 4JH57 and the Volvo Penta D2-60. Both offer strong, reliable performance for offshore and coastal cruising, but differ in technology, weight, and emissions compliance.
At Wave Inboard Motors, we regularly install and service both models. Sailors often ask us: “Should I choose the Yanmar 4JH57 or Volvo Penta D2-60?” This guide compares their specifications, strengths, and ownership experience to help you make the right choice.
Side-by-Side Specification Table
| Feature | Yanmar 4JH57 | Volvo Penta D2-60 |
|---|---|---|
| Power Output | 57 hp (41.9 kW) @ 3,000 rpm | 60 hp (44.1 kW) @ 3,200 rpm |
| Cylinders | 4-cylinder common-rail diesel | 4-cylinder mechanical injection diesel |
| Displacement | 2.19 L | 2.4 L |
| Weight (w/ gearbox) | ~220 kg (485 lbs) | ~235 kg (518 lbs) |
| Cooling System | Freshwater + heat exchanger | Freshwater + heat exchanger |
| AlternYanmar 4JH57, Volvo Penta D2-60, 50–60hp marine diesel, yacht repower comparisonator Output | 12V – 125A | 12V – 115A |
| Emissions Compliance | IMO Tier III / EPA Tier 3 | IMO Tier II / EPA Tier 2 |
Key Comparison Factors
🔹 Power & Performance
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Volvo D2-60: Offers a small edge in horsepower (60hp vs 57hp), making it appealing for heavier yachts.
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Yanmar 4JH57: Slightly less horsepower, but its common-rail system provides smoother throttle response and better efficiency.
👉 Winner: Volvo for raw horsepower, Yanmar for refined performance.
🔹 Technology & Emissions
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Yanmar 4JH57: Uses common-rail fuel injection, delivering cleaner emissions, lower vibration, and Tier III compliance.
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Volvo D2-60: Uses mechanical injection, simpler to maintain but noisier, less efficient, and only Tier II compliant.
👉 Winner: Yanmar 4JH57 for modern technology and environmental standards.
🔹 Weight & Installation
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Yanmar 4JH57: Lighter and more compact, easier to fit in tight engine compartments.
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Volvo D2-60: Heavier and bulkier, but solidly built.
👉 Winner: Yanmar 4JH57 for weight-sensitive installs.
🔹 Noise & Vibration
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Yanmar 4JH57: Quieter, smoother operation thanks to common-rail injection.
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Volvo D2-60: Reliable but louder under load due to mechanical injection.
👉 Winner: Yanmar 4JH57.
🔹 Service & Parts Availability
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Volvo Penta: Excellent dealer coverage in Europe & North America, but parts are often pricier.
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Yanmar: Broader global coverage, especially in remote cruising regions.
👉 Winner: Yanmar for global cruising, Volvo for Europe/North America bases.
Pros and Cons Summary
| Engine Model | Pros ✅ | Cons ⚠️ |
|---|---|---|
| Yanmar 4JH57 | Clean Tier III emissions, lighter weight, quiet | Higher upfront cost, more complex |
| Volvo Penta D2-60 | More horsepower, simple mechanical system | Heavier, noisier, less efficient |
Expert Recommendation
For most 45–50 ft yachts, the Yanmar 4JH57 is the superior long-term choice: quieter, more fuel-efficient, and environmentally compliant. It’s particularly recommended for offshore cruisers and owners preparing for international sailing.
The Volvo Penta D2-60 is best suited for owners who prioritize simplicity of mechanical injection and value Volvo’s strong European dealer network, especially for heavier displacement yachts.
👉 At Wave Inboard Motors, we supply, install, and maintain both engines, helping you select the right solution for your vessel and cruising plans.
8. Internal Linking Strategy
This comparison should link to product pages, service offerings, and supporting blog content.
Internal Links to Product Pages:
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【Yanmar 4JH57 Marine Diesel Engine 57hp】
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【Volvo Penta D2-60 Marine Diesel Engine 60hp】
Internal Links to Related Blogs:
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【Yanmar 4JH57 vs Volvo Penta D2-50: Which is Better?】
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【Best Diesel Engines for 45–50 ft Yachts】
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【What is Common-Rail Technology in Marine Engines?】
Internal Links to Services:
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【Marine Engine Repowering Services】
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【Professional Volvo & Yanmar Installation】
