Vetus M456S---STM5801 - Mitsubishi M4.56 with Saildrive i=2.49

SKU: Vetus M456S---STM5801

1-2 weeks delivery time

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The Vetus M456S---A Mitsubishi 52 HP M4.56 Marine Diesel Engine is designed for superior performance and fuel efficiency in marine applications. This reliable 4-cylinder engine delivers 52 horsepower and 127 Nm of torque at 2000 RPM, ensuring smooth power delivery and optimal performance at sea. Equipped with a water-cooled top cover, the engine reduces engine room temperature by up to 20%, improving efficiency and comfort. It also operates near-silent at 2200 RPM, thanks to its advanced noise reduction system, making it perfect for quiet and enjoyable boating experiences. The engine is compatible with the STM5801 Saildrive SD10 ZF-2.49R, offering seamless power integration for efficient propulsion. Additionally, the M4.56 is approved for use with HVO fuel, reducing emissions by up to 90% and providing a more sustainable alternative to conventional diesel.

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Vetus M456S---A - Mitsubishi 52 HP M4.56 Marine Diesel Engine Saildrive Compatible with STM5801

The Vetus M456S---A Mitsubishi 52 HP M4.56 Marine Diesel Engine is a highly efficient, powerful, and durable engine designed for marine applications. This advanced 4-cylinder engine delivers 52 horsepower and a maximum torque of 127 Nm at 2000 RPM, offering exceptional performance on the water. It is compatible with the STM5801 Saildrive SD10 ZF-2.49R, providing seamless integration for efficient power transfer. The engine features a water-cooled top cover, significantly lowering engine room temperature by up to 20%, ensuring enhanced durability and comfort. With its modern design and reduced noise levels, this engine operates near-silent at 2200 RPM, ensuring a pleasant experience for boaters. It is also HVO approved, allowing the use of low-carbon fuel and reducing emissions by up to 90%, making it a more sustainable choice for the environment. Additionally, the Vetus M456S---A is equipped with a high-output marine alternator, ensuring fast and efficient battery recharging. Meeting SOLAS requirements and delivering high performance, it is an ideal choice for recreational and commercial marine operations.

Key Features:
- 52 HP and 127 Nm of torque for powerful, reliable performance
- Compatible with STM5801 Saildrive SD10 ZF-2.49R for easy installation and integration
- Water-cooled top cover reduces engine room temperature by 15-20°C, improving engine efficiency
- Near-silent operation at 2200 RPM with reduced noise by 5dB(A)
- HVO approved for operation with renewable, low-carbon fuel, reducing emissions by up to 90%
- High-output marine alternator for fast battery recharging, enhancing onboard power systems
- Meets SOLAS standards for safety in marine environments
- Built for durability and reliability, with extensive design improvements for modern performance
Specifications:
- Max Speed (RPM): 3000
- Number of Cylinders: 4
- Max Torque (Nm): 127 Nm at 2000 RPM
- Power (kW): 38.3
- Max Engine Power (hp): 52
- Engine Type: 4-cylinder diesel engine
- Cooling System: Water-cooled top cover for effective heat dissipation
- Alternator Output: High-output marine alternator (12V or 24V)
- Noise Reduction: 5dB(A) noise reduction with integrated aluminum top cover and air filter
- Fuel Type: Diesel, approved for use with HVO (Hydrotreated Vegetable Oil)
- Emission Reduction: Up to 90% reduction in CO2, CO, HC, NOx, and PM using renewable fuels
- Dimensions (L x W x H): 707mm x 675mm x 672mm
- Weight: 212 kg (467 lbs)
- Transmission Compatibility: Compatible with STM5801 Saildrive SD10 ZF-2.49R
- Cooling Efficiency: Water-cooled system helps reduce engine room temperature by 15-20°C (20% reduction)
- Engine Room Temperature Impact: Engine room temperature remains 15-20°C lower compared to similar engines
- Noise Level: Quiet operation with 5dB(A) reduction in noise compared to conventional models
- Fuel Efficiency: High fuel efficiency optimized for long-term performance
- Maximum Working Pressure: 3.5 bar
- Displacement: 2.5 L
- Compression Ratio: 16.5:1
- Starting System: 12V electric starter motor
- Oil Capacity: 4.5 L (includes filter)
- Cooling System Type: Closed loop system with seawater-cooling and heat exchanger
- Max Operating Temperature: 105°C (221°F)
- Low Emissions: Complies with all international emission standards
- Charging System: 12V / 70A alternator as standard
- Service Interval: 1000 hours (engine maintenance schedule)
Benefits:
- Powerful 52 HP engine with 127 Nm torque for superior performance on the water
- Reduced engine room temperature by 15-20°C, ensuring better working conditions and efficiency
- Near-silent operation at 2200 RPM, offering a more enjoyable boating experience for you and your crew
- Eco-friendly and sustainable operation with HVO approval, reducing carbon footprint and emissions
- Easy integration with STM5801 Saildrive SD10 ZF-2.49R for a seamless power system
- High-output alternator for rapid battery recharging, ensuring consistent power on board
- Compliant with SOLAS standards, making it a safe and reliable option for commercial and recreational use
- Innovative design for improved durability and reduced maintenance costs
- Compact and efficient with superior power-to-weight ratio, ideal for a variety of marine applications
- Efficient fuel use with HVO and low-emission operation
- Extended service intervals and durable components reduce maintenance needs
- Quiet operation reduces onboard noise pollution, improving comfort during operation