Vetus M4.45 Marine Diesel Engine – 33 HP | Reliable, Fuel-Efficient Inboard Diesel with Sail Drive

The Vetus M4.45 Marine Diesel Engine – 33 HP is a robust, fuel-efficient, and ultra-reliable inboard diesel engine, engineered for sailing yachts, motorboats, and light commercial vessels.
As part of the acclaimed Vetus M-Line series, this four-cylinder diesel engine delivers exceptional torque, smooth power delivery, and minimal vibration, ensuring quiet and efficient cruising even under demanding marine conditions.

Built on advanced Vetus engineering, the M4.45 with Sail Drive combines compact design, low emissions, and ease of maintenance, making it one of the most versatile and dependable engines in its class.

Whether you’re searching for a Vetus diesel engine for sale, comparing Vetus marine engines prices, or upgrading your propulsion system, the Vetus M4.45 offers class-leading performance, durability, and peace of mind.

Unmatched Efficiency and Performance for Modern Marine Applications

Delivering 33 HP (24.3 kW) at 3000 RPM, the M4.45 provides the perfect balance between power and economy.
Its optimized fuel injection system ensures efficient combustion, lower emissions, and reduced fuel consumption, while the heavy-duty marine-grade construction guarantees long-term reliability even in tough conditions.

With its sail drive configuration, this engine delivers direct, vibration-free propulsion, improving maneuverability, stability, and fuel economy, ideal for yachts and pleasure boats seeking superior smoothness and quiet operation.

Key Features & Benefits

Robust & Fuel-Efficient Marine Power

• Delivers 33 HP at 3000 RPM for steady, dependable performance.

• A precision fuel injection system minimizes fuel use while maximizing output.

• Durable 4-cylinder engine block designed for long service life in harsh marine environments.

Advanced Cooling System for Engine Longevity

• An indirect cooling system is standard, ensuring consistent temperature regulation.

• An optional keel cooling setup eliminates seawater contact, preventing corrosion.

• Enhanced temperature control extends engine lifespan and efficiency in hot climates.

 Ultra-Quiet Operation & Vibration Control

• Water-cooled aluminum top cover reduces engine heat by up to 15°C.

• Redesigned air intake filter lowers operational noise by approximately 5 dB(A).

• Balanced cylinder design minimizes vibrations for smooth, silent sailing.

Simplified Maintenance & Accessibility

• Front-mounted service points for quick access to oil, filters, and impeller.

• Fewer hoses reduce maintenance complexity and potential leaks.

• Self-bleeding fuel system simplifies fuel filter replacements and restarts.

High Electrical Output for Onboard Systems

• Standard 12V – 110A alternator ensures fast battery charging and a stable power supply.

• An optional second alternator supports vessels with high electrical consumption.

• Built-in warning lights and audible alarms for oil pressure, temperature, and charging.

Technical Specifications

Why Buy the Vetus M4.45 Marine Diesel Engine from JB Marine GmbH

At JB Marine GmbH, we are specialists in Vetus marine propulsion systems, offering genuine Vetus engines, full warranty coverage, and expert installation support.
As an authorized marine engine dealer, we deliver premium-quality inboard diesel engines to customers across Germany, Europe, and worldwide.

What You Get with JB Marine GmbH

• Authentic Vetus M4.45 Marine Diesel Engine (Sail Drive – 33 HP)

• 5-Year Manufacturer Warranty or 1500 operating hours (whichever comes first)

• Expert guidance for engine selection, sail drive compatibility, and installation

• Fast, insured global shipping and logistics coordination

• Comprehensive after-sales support, including servicing and genuine Vetus spare parts

Warranty Information

All Vetus engines purchased through JB Marine GmbH include a 5-Year Standard Warranty, ensuring confidence and long-term performance.

Warranty Coverage:

• 5 Years or 1500 Operating Hours

• Extended warranty options available upon request

• Full support for warranty registration, claims, and parts sourcing

Frequently Asked Questions (FAQ)

What is the price of the Vetus M4.45 Marine Diesel Engine?
Pricing varies by configuration, gearbox, and sail drive option. Contact JB Marine GmbH for a detailed quote.

Is the Vetus M4.45 fuel-efficient?
Yes. Its advanced fuel injection and self-bleeding fuel system ensure maximum efficiency, reducing consumption and emissions.

What cooling options are available?
The engine includes indirect cooling as standard, with an optional keel cooling system for enhanced protection in saltwater conditions.

Does JB Marine GmbH offer international shipping?
Absolutely. We provide secure worldwide shipping, including Europe, Asia, the Middle East, and North America.

Is the M4.45 suitable for both yachts and motorboats?
Yes. It’s engineered for sailing yachts, cabin boats, and light commercial vessels, offering smooth operation and minimal vibration at all speeds.

Order Your Vetus M4.45 Marine Diesel Engine Today

Experience unmatched reliability, performance, and efficiency with the Vetus M4.45 Marine Diesel Engine – 33 HP (Sail Drive Model).

Contact JB Marine GmbH today for pricing, technical specifications, and international delivery options.
Our marine propulsion specialists are ready to help you find the perfect Vetus engine for your vessel.

Visit https://jbmarinegmbh.de/ to explore the complete range of Vetus marine diesel engines for sale, including keel-cooled, shaft drive, and sail drive models — all backed by factory warranty and professional support.