Vetus M456A---A - Mitsubishi M4.56 Bobtail for Gearbox

SKU: Vetus M456A---A

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The Vetus M456A---A Mitsubishi 52 HP M4.56 Marine Diesel Engine is a high-performance, fuel-efficient 4-cylinder engine designed for reliability and efficiency in marine applications. With a maximum power output of 52 HP and 127 Nm of torque at 2000 RPM, this engine offers smooth and powerful propulsion. Its water-cooled top cover helps reduce engine room temperature by up to 20%, improving engine longevity and overall performance. The engine is also equipped with a high-output marine alternator for fast battery recharging and is fully compatible with Hydrotreated Vegetable Oil (HVO), offering a more sustainable fuel option. The M4.56 engine is designed to meet SOLAS requirements and features a cast aluminum top cover to reduce engine noise by 5 dB(A), ensuring a quieter boating experience. With a Saildrive-compatible version available, this engine is perfect for a wide range of boats and marine vessels, combining power, performance, and environmental sustainability.

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Vetus M456A---A - Mitsubishi 52 HP M4.56 Marine Diesel Engine

The Vetus M456A---A Mitsubishi 52 HP M4.56 Marine Diesel Engine is a highly reliable, quiet, and fuel-efficient 4-cylinder engine designed for high performance in marine applications. With 52 horsepower and a maximum torque of 127 Nm at 2000 RPM, it delivers superior power and torque, making it ideal for various types of recreational and commercial vessels. This modern and compact engine is engineered for performance and fuel efficiency, providing a seamless boating experience. All M-Line Diesel Engines are HVO approved and can be operated with Hydrotreated Vegetable Oil (HVO), a sustainable and low-carbon alternative to diesel, resulting in up to 90% reduction in CO2, CO, HC, NOx, and PM emissions.

Key Features:
- 52 HP power output for optimal propulsion and high performance
- 4-cylinder design offers a high power-to-weight ratio and efficient fuel consumption
- Maximum torque of 127 Nm at 2000 RPM for smooth acceleration and reliable operation
- Equipped with a high-output marine alternator to quickly recharge the batteries
- Water-cooled top cover absorbs and dispels radiant heat, keeping the engine room temperature lower by up to 20%
- Cast aluminum top cover to minimize engine noise by 5 dB(A), providing a quieter operation
- Saildrive compatible version for smooth and efficient propulsion with minimal vibration
- SOLAS compliant, ensuring safety and regulatory adherence in marine applications
- Approved to run on Hydrotreated Vegetable Oil (HVO), a sustainable alternative to diesel fuel
- Low vibration and reduced noise for a more comfortable onboard experience
- Electric start system for easy operation
Specifications:
- Max. speed (RPM): 3000
- Number of cylinders: 4
- Max. torque: 127 Nm @ 2000 RPM
- Power: 38.3 kW
- Max Engine power: 52 HP
- Displacement: 2.2 L
- Compression Ratio: 21:1
- Fuel consumption: Approx. 4.5-5 L/h at 80% load
- Weight: 170 kg (engine only)
- Engine dimensions (L x W x H): 920 x 520 x 740 mm
- Cooling system: Water-cooled with heat exchanger
- Exhaust system: Wet exhaust
- Fuel type: Diesel (HVO approved)
- Alternator output: 12V, 80A
- Starting system: Electric start
- Safety: SOLAS compliant, meets international marine standards
- Marine gearbox options: ZF-15M, ZF-25A
- Engine mounting type: Flexible engine mounts with vibration dampening
- Lubrication type: Wet sump
- Thermostat system: 80°C/176°F
- Fuel filter: Replaceable cartridge filter
- Oil capacity: 6.5 L
- Oil filter type: Full flow
- Air filter type: Dry type, replaceable element
- Cooling water intake: 1.5 inches (38 mm)
- Exhaust outlet size: 2.5 inches (63.5 mm)
- Max exhaust temperature: 90°C (194°F)
Compatibility and Application:

The Vetus M456A---A Mitsubishi 52 HP M4.56 Marine Diesel Engine is perfect for a wide range of vessels, offering reliable and efficient propulsion. Its water-cooled top cover helps maintain a cooler engine room, allowing for longer engine life and reducing heat-related issues. The engine's cast aluminum top cover reduces noise by 5 dB(A), making it ideal for those seeking a quieter boating experience. Additionally, this engine meets all necessary SOLAS requirements, making it safe for use in marine environments. The M4.56 engine is Saildrive compatible, providing smooth and efficient power transfer, making it suitable for both leisure and commercial vessels.

Benefits:
- Compact, fuel-efficient design offers excellent performance with minimal fuel consumption
- HVO fuel compatibility ensures a more sustainable and eco-friendly operation, reducing harmful emissions
- Water-cooled top cover reduces engine room temperature by up to 20%, enhancing overall engine performance
- Improved noise reduction with a cast aluminum top cover that minimizes engine noise by 5 dB(A)
- Efficient battery charging with a high-output marine alternator
- Meets SOLAS and international marine safety standards for peace of mind
- Saildrive compatibility for smooth propulsion and minimal vibration during operation
- Low maintenance with a reliable and rugged design, built for long-lasting use in demanding conditions
- Ideal for both recreational and commercial marine applications