Volvo Penta D2-50 MS25L | 50hp Marine Diesel Engine
Introduction
The Volvo Penta D2-50 MS25L marine diesel engine represents a pinnacle of integrated marine propulsion, combining a robust 50 horsepower diesel engine with the innovative MS25L sail drive unit. At Wave Inboard Motors, our factory-trained technicians have deep, hands-on experience with Volvo Penta’s D2 series and saildrive systems, making us experts in the installation and maintenance of this sophisticated package. This 50hp marine diesel engine and drive system is engineered for sailors who demand clean, efficient power and the unmatched handling benefits of a saildrive.
Designed as a complete Volvo Penta saildrive solution for performance cruisers and yachts from 38 to 45 feet, the D2-50 MS25L offers a compelling package. The sail drive configuration allows for a more efficient propeller angle, reduces cabin noise and vibration, and enables shallower draft. The engine’s modern electronic management ensures optimal fuel efficiency and smooth operation across all RPM ranges. For owners seeking a modern, integrated propulsion system for a yacht repower, the Volvo Penta D2-50 for sale is a top-tier, feature-rich option.
This page provides a detailed look at its complete specifications, an honest comparison against its key rivals, and a clear breakdown of what makes this integrated system unique.
Technical Specifications Table – Volvo Penta D2-50 MS25L | 50hp Marine Diesel Engine
| Specification | Detail |
|---|---|
| Model | Volvo Penta D2-50 MS25L (Engine & Saildrive) |
| Engine Type | 4-Cylinder, 4-stroke, water-cooled diesel |
| Displacement | 2.2 L (2200 cc) |
| Max Output | 50 HP (37 kW) @ 2800 RPM |
| Bore x Stroke | 84 mm x 90 mm |
| Compression Ratio | 18.0:1 |
| Cooling System | Heat Exchanger (Closed-Cooling) |
| Starting System | 12V Electric Start |
| Alternator Output | 12V – 115A (as standard) |
| Dry Weight | 280 kg (617 lbs) (Engine & Drive) |
| Saildrive Unit | MS25L (2.15:1 Reduction) |
| Propeller | Designed for Volvo Penta Folding/Feathering Props |
The Volvo Penta D2-50 MS25L wins as a complete, optimized system with outstanding standard features like a high-output alternator. It directly competes with the Yanmar saildrive package, offering slightly more horsepower. The choice between a saildrive and a traditional shaft drive (like the Beta) is significant: saildrives offer superior integration and handling, while shaft drives are known for ultimate simplicity and durability in grounding situations. The Volvo package is a top choice for a modern, performance-oriented installation.
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