Vetus M4.55 Marine Diesel Engine 52HP – Reliable, Efficient, and Built for Marine Durability | JB Marine GmbH
The Vetus M4.55 Marine Diesel Engine (52HP) is a high-performance 4-cylinder inboard diesel engine designed for sailboats, motorboats, and light commercial vessels. Part of the trusted Vetus M-Line series, this model is renowned for its fuel efficiency, low vibration levels, and robust construction, delivering a smooth and dependable propulsion experience.
Built for both recreational and professional marine use, the M4.55 combines modern fuel injection technology, low-noise operation, and marine-grade engineering, making it one of the most reliable mid-range marine engines available today.
At JB Marine GmbH, we offer genuine Vetus marine diesel engines for sale, including full warranty coverage, technical consultation, and fast shipping across Germany, Europe, and selected international destinations.
Compact Power with Proven Engineering
Delivering 52 horsepower at 3000 RPM, the Vetus M4.55 provides exceptional torque and consistent power for a variety of marine applications. Its balanced 4-cylinder configuration ensures smooth, quiet operation, while maintaining high efficiency under varying load conditions.
With over three decades of engineering refinement, the M-Line series represents Vetus’ commitment to marine reliability and efficiency, providing optimal propulsion performance with reduced emissions and minimal maintenance requirements.
Technical Specifications
| Specification | Details |
|---|---|
| Max. Output (Flywheel) | 38 kW (52 HP) |
| Max. RPM | 3000 |
| Torque @ 2000 RPM | 127 Nm |
| Bore × Stroke | 78 mm × 92 mm |
| Displacement | 1758 cm³ (108 cu. in) |
| Compression Ratio | 22:1 |
| Firing Order | 1-3-4-2 |
| Fuel Consumption | 244 g/kW.h (179 g/hp.h) |
| Number of Cylinders | 4 |
| Cooling System | Indirect (optional keel cooling) |
| Alternator Output | 12V – 110A |
| Gearbox Options | Multiple gearbox configurations |
| Certifications | EU-RCD II, BSO |
| Warranty | 5 Years or 1500 Hours (whichever comes first) |
Key Features and Advantages of the Vetus M4.55
Powerful and Efficient 4-Cylinder Engine
The Vetus M4.55 delivers 52HP at 3000 RPM, ensuring strong acceleration, efficient cruising, and high torque for dependable marine propulsion. Its advanced fuel-injection system guarantees excellent combustion, resulting in lower fuel consumption and optimal performance.
Quiet and Low-Vibration Operation
Engineered for comfort, the M4.55 uses a balanced engine block and soundproof air intake system to minimize onboard noise. Combined with high-quality rubber engine mounts, it provides vibration-free performance and smooth operation even at higher RPMs.
Environmentally Friendly and Fuel-Efficient
The M4.55 meets EU-RCD II and BSO emission standards, offering clean combustion and low emissions. Its self-bleeding fuel system makes fuel maintenance easier while maximizing efficiency, ideal for eco-conscious operators seeking sustainable marine solutions.
Durable and Easy to Maintain
Built from marine-grade materials with a heavy-duty engine block, this model offers exceptional durability and corrosion resistance. Accessible service points, removable panels, and simplified wiring allow for quick maintenance and reduced downtime during service intervals.
Flexible Installation Options
The Vetus M4.55 can be paired with various gearbox configurations or saildrive systems, allowing it to fit multiple vessel types. Its flexible installation design accommodates different mounting angles and setups, making it suitable for both new builds and repowers.
High Electrical Output for Onboard Systems
A powerful 110A alternator ensures a reliable power supply for navigation systems, batteries, and onboard electronics — perfect for cruising yachts and workboats that demand dependable electrical output.
Designed for Performance, Comfort, and Longevity
The Vetus M4.55 reflects Vetus’ philosophy of durability and innovation. From its robust engine block to its low-vibration engineering, every detail is optimized for consistent marine operation.
The result is a reliable, easy-to-maintain propulsion system that ensures years of dependable service, making it an ideal choice for both private and commercial vessel owners seeking long-term value.
Why Choose JB Marine GmbH for Your Vetus M4.55 Engine
As an official supplier of Vetus, Volvo Penta, and Yanmar marine engines, JB Marine GmbH delivers genuine products, expert consultation, and reliable after-sales support to customers across Europe.
What You Get with JB Marine GmbH
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Genuine Vetus M4.55 Marine Diesel Engine (52HP) with full 5-year warranty
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Professional technical consultation and configuration advice
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Fast and secure delivery within Germany, Europe, and selected global destinations
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Access to Vetus OEM spare parts, filters, and service kits
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Dedicated after-sales support and maintenance assistance
We provide more than just engines, we deliver complete propulsion solutions that prioritize reliability, performance, and long-term support.
Warranty Information
All Vetus marine diesel engines sold by JB Marine GmbH include the official manufacturer’s warranty, covering material and workmanship defects.
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Standard Warranty: 5 Years or 1500 Hours (whichever comes first)
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Extended Warranty Options: Available on request
Our team provides full assistance with installation guidance, documentation, and warranty claims, ensuring your investment is protected from day one.
Frequently Asked Questions (FAQ)
What is the price of the Vetus M4.55 Marine Diesel Engine?
Pricing depends on configuration, gearbox options, and accessories. Contact JB Marine GmbH for a personalized quotation.
Is the Vetus M4.55 suitable for commercial use?
Yes. This 4-cylinder engine is ideal for both recreational and commercial vessels, offering a blend of performance, efficiency, and dependability.
Does the M4.55 come with genuine Vetus parts?
Absolutely. All Vetus engines from JB Marine GmbH include genuine OEM Vetus components and full warranty coverage.
What kind of maintenance does this engine require?
Routine maintenance includes oil and filter changes, coolant inspection, and scheduled servicing, all designed for easy access and minimal downtime.
Do you provide international delivery?
Yes. We offer standard, express, and freight shipping options across Germany, Europe, and select international ports.
Order Your Vetus M4.55 Marine Diesel Engine (52HP) Today
Experience the reliability, performance, and efficiency of the Vetus M4.55 Marine Diesel Engine, trusted by boat owners and professionals worldwide.
Choose JB Marine GmbH, your specialist in Vetus, Volvo Penta, and Yanmar marine engines, offering competitive pricing, OEM support, and end-to-end marine propulsion solutions.
Visit https://jbmarinegmbh.de/ to explore our full range of Vetus marine diesel engines for sale, or contact our expert team for a custom quote and technical consultation.
