Vetus M4.45 Marine diesel engine with Sail Drive 33hp
€9,518.00
Explore Our Other Vetus Marine Model: Vetus M4.35 Marine diesel engine with Sail Drive 33hp
- Description
Description
Vetus M4.45 Marine Diesel Engine with Sail Drive – 33HP
Professional Marine Propulsion Backed by Seawave Marine
The Vetus M4.45 Marine Diesel Engine with Sail Drive – 33HP is one of the most trusted mid-range engines for sailing yachts, cruisers, and light commercial vessels. As an authorized distributor, Seawave Marine supplies genuine Vetus marine engines, technical support, and spare parts across Europe.
Engineered for smooth propulsion and ultra-quiet operation, the M4.45 stands as a leading option among modern Vetus diesel engines, offering reliability, fuel efficiency, and simplified installation through its advanced sail drive system.
Key Features Backed by Professional Experience
Smooth & Efficient Marine Propulsion
Based on performance tests conducted on customer installations supported by Seawave Marine’s technicians, the M4.45 provides:
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Responsive torque with smooth acceleration
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Quiet cruising even under load
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Lower vibration than many comparable 3-cylinder marine diesel engines
The Sail Drive SP60 or SD10 system minimizes drag and improves ease of handling, particularly during tight marina maneuvering.
Advanced Marine Cooling System
The indirect cooling system—standard on the M-Line series—improves internal component longevity. Customers navigating brackish or saltwater environments often choose the optional keel cooling, which our technicians can help configure.
Low-Noise Operation & Comfort Engineering
Vetus’ cast aluminum top cover and balanced 4-cylinder layout significantly reduce engine noise, resulting in:
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up to 5 dB(A) reduction in sound output
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smoother vessel vibrations
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increased onboard comfort for long passages
Built for Easy Maintenance
The M4.45 includes:
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front-mounted filters
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accessible impeller
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minimal hose connections
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a self-bleeding fuel system
Seawave Marine also offers genuine Vetus engine spare parts with fast European delivery.
Technical Specification Table
| Specification | Details |
|---|---|
| Max Output at Flywheel (ISO 3046-1) | 30.9 kW (42 HP) |
| Rated Power | 33 HP |
| Shaft Output | 30 kW (40.8 HP) |
| Cylinders | 4 |
| Bore × Stroke | 78 × 92 mm |
| Displacement | 1758 cm³ |
| Alternator | 12V – 110A |
| Cooling | Indirect (Keel cooling optional) |
| Standard Drive | SP60 (2.15/2.38:1) or SD10 (2.23/2.49:1) Sail Drive |
| Optional Gearbox | GRP Engine Bed |
| Dry Weight | 199 kg |
| Max Installation Angle | 15° |
| Continuous Heel Angle | 25° |
| 5-Min Heel Max | 30° |
| Fuel Lift Pump Suction | 1.5 m |
| Alarms | Oil pressure, coolant temp, exhaust temp, charge indicator |
| Certifications | EU-RCD II, BSO, SOLAS (link to certification authority below) |
Why Buy from Seawave Marine?
1. Authorized Distributor for Genuine Vetus Engines
Seawave Marine supplies original Vetus M-Line engines, including Vetus M4.14, M4.35, M3.29, and the full diesel saildrive lineup.
2. Professional Technical Guidance
Our marine engineering team assists with:
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correct gearbox selection
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saildrive configuration
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installation consultation
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service scheduling
3. Worldwide Shipping
We ship Vetus diesel engines across the EU, UK, Middle East, and overseas.
Warranty Information
All Vetus engines purchased from Seawave Marine include a 5-year / 1500-hour manufacturer warranty.
Warranty covers:
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manufacturing defects
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major component failures
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saildrive unit (SP60/SD10) components
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electrical systems (alternator, sensors, alarms)
Extended warranty options and yearly maintenance packages are available upon request.
Frequently Asked Questions (FAQ)
Are VETUS marine engines any good?
Yes. Vetus engines are widely respected for reliability, low noise, and long service life. Many operators achieve 5,000–10,000+ hours with correct maintenance.
Who manufactures VETUS engines?
Vetus marinizes high-quality industrial engines from Japan and Europe, adding marine-specific cooling, fuel, and exhaust systems.
How many hours is a marine diesel engine good for?
Most marine diesels—including the M4.45—last 8,000 to 12,000 hours when properly maintained.
Is a YANMAR diesel engine good compared to Vetus?
YANMAR is excellent; however, Vetus engines often run quieter and are easier to service. Many owners choose Vetus for lower vibration and better cost-effectiveness.






