Vetus M4.45 Marine Diesel Engine with Sail Drive – 33 HP | Reliable & Fuel-Efficient Inboard Power for Smooth Sailing
The Vetus M4.45 Marine Diesel Engine with Sail Drive (33 HP) represents the perfect combination of power, precision, and performance for modern sailing yachts, motorboats, and compact commercial vessels.
Part of the renowned Vetus M-Line series, the M4.45 is engineered to deliver fuel efficiency, low vibration, and quiet operation, making it the ideal propulsion solution for boaters seeking long-term reliability and comfort at sea.
Equipped with a Vetus Sail Drive system (SP60 or SD10), this four-cylinder inboard diesel engine offers smooth power transmission, enhanced maneuverability, and reduced noise, ensuring exceptional cruising performance and effortless handling.
Whether you are looking for a Vetus diesel engine for sale, comparing Vetus marine engine prices, or upgrading your boat’s propulsion system, the Vetus M4.45 Sail Drive model offers proven quality, durability, and value.
Powerful, Efficient & Quiet Marine Propulsion
Delivering 33 HP (24.3 kW) at 3000 RPM, the M4.45 provides a balance of strong low-end torque and excellent cruising efficiency.
Its sail drive system reduces drag, vibration, and installation complexity, resulting in superior performance and low maintenance over time.
The advanced indirect cooling system and optional keel cooling configuration ensure optimal thermal management and corrosion protection — vital for both freshwater and saltwater use.
Key Features & Benefits
Smooth & Efficient Power Delivery
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Produces 33 HP at 3000 RPM for responsive propulsion and reliable cruising.
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Vetus Sail Drive (SP60 / SD10) minimizes vibration, increasing onboard comfort.
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Optimized torque curve enhances acceleration and reduces fuel consumption.
Advanced Cooling System for Engine Longevity
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Indirect cooling system standard; keel cooling optional for heavy-duty use.
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Prevents saltwater intrusion, reducing internal corrosion and extending engine life.
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Designed for maximum reliability in challenging marine environments.
Ultra-Quiet & Low-Vibration Operation
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Cast aluminum top cover dissipates heat efficiently and reduces noise by up to 5 dB(A).
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Balanced four-cylinder configuration ensures smooth, vibration-free operation.
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Exceptionally quiet running, even at cruising speeds.
Easy Maintenance & Accessibility
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Front-mounted service points for convenient access to filters, impeller, and dipstick.
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Fewer hose connections reduce leak risks and simplify routine servicing.
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Self-bleeding fuel system for quick and trouble-free filter changes.
High Electrical Output for Modern Marine Systems
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12V 110A alternator ensures fast battery charging and stable electrical output.
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An optional second alternator is available for vessels with high onboard power needs.
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Integrated safety alarms for oil pressure, coolant temperature, and charging current.
Technical Specifications
| Specification | Details |
|---|---|
| Max. Output at Flywheel (ISO 3046-1) | 30.9 kW (42 HP) |
| Max. Output at Propeller Shaft (ISO 3046-1) | 30 kW (40.8 HP) |
| Rated Power Output | 33 HP @ 3000 RPM |
| Number of Cylinders | 4 |
| Bore × Stroke (mm) | 78 × 92 |
| Displacement | 1758 cm³ |
| Alternator | 12V – 110 Amp |
| Cooling System | Indirect (Keel Cooling Optional) |
| Sail Drive Options | SP60 (2.15/2.38:1) – SD10 (2.23/2.49:1) |
| Optional Engine Bed | GRP Engine Bed (for SP60 / SD10) |
| Dry Weight | 199 kg |
| Max Installation Angle (Backwards) | 15° |
| Max Continuous Inclination | 25° |
| Max 5-Minute Inclination | 30° |
| Fuel Lift Pump Suction Height | 1.5 m |
| Warnings & Alarms | Oil Pressure, Coolant & Exhaust Temp, Charging Current |
| Control Lights | Pre-Heating |
| Calorifier Connection Kit | Optional |
| Certifications | EU-RCD II, BSO, SOLAS |
Why Buy the Vetus M4.45 Marine Diesel Engine from JB Marine GmbH
At JB Marine GmbH, we are dedicated to providing genuine Vetus marine diesel engines backed by full factory warranties, expert technical support, and fast global delivery.
As an authorized dealer and specialist in marine propulsion systems, we offer professional consultation, competitive pricing, and comprehensive after-sales support — ensuring your investment performs flawlessly for years to come.
What You Get with JB Marine GmbH
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Authentic Vetus M4.45 Marine Diesel Engine (Sail Drive – 33 HP)
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5-Year Manufacturer Warranty or 1500 operating hours
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Expert installation guidance and compatibility support
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Fast, insured worldwide shipping to Germany, Europe, and international ports
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Full Vetus parts and service availability for long-term support
Warranty Information
All Vetus marine diesel engines sold by JB Marine GmbH include a 5-Year Standard Warranty, providing long-term peace of mind and reliability.
Warranty Coverage:
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5 Years or 1500 Operating Hours (whichever comes first)
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Optional Extended Warranty – contact our team for details
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Full assistance for warranty registration, claims, and genuine parts
Frequently Asked Questions (FAQ)
What is the price of the Vetus M4.45 marine diesel engine with Sail Drive?
Prices depend on configuration, gearbox ratio, and optional accessories. Contact JB Marine GmbH for the latest offers and availability.
Why choose the Sail Drive version over a shaft drive?
The Sail Drive provides reduced vibration, lower drag, easier installation, and greater fuel efficiency — ideal for sailboats and yachts.
Is the Vetus M4.45 fuel-efficient?
Yes. Its optimized injection system and self-bleeding fuel design ensure top performance with minimal fuel consumption.
What cooling options are available?
Standard indirect cooling, with optional keel cooling for added corrosion protection and extended service life.
Does JB Marine GmbH offer international shipping?
Yes. We ship globally with secure, trackable freight options and full insurance coverage.
Is the Vetus M4.45 suitable for my vessel?
Absolutely. It’s ideal for sailing yachts, cabin cruisers, and workboats, offering smooth propulsion, low vibration, and long-lasting performance.
Order Your Vetus M4.45 Marine Diesel Engine with Sail Drive Today
Experience world-class propulsion performance with the Vetus M4.45 Marine Diesel Engine (33 HP Sail Drive), engineered for efficiency, quiet operation, and reliability.
Contact JB Marine GmbH today for pricing, technical assistance, and international shipping options.
Visit https://jbmarinegmbh.de/ to explore our full range of Vetus marine diesel engines for sale, including sail drive, shaft drive, and keel-cooled models backed by a 5-year warranty.








