Description

The Doosan L136 160 HP Marine Diesel Engine is a compact yet powerful engine designed for a range of marine applications, delivering reliable performance and efficient operation. Known for its robust construction, fuel efficiency, and low maintenance needs, this engine is ideal for commercial vessels, pleasure craft, and utility boats. Below is a detailed description of the Doosan L136 160 HP Marine Diesel Engine:

Key Features:

1. Engine Configuration:
   • Type: Inline 4-cylinder, 4-stroke diesel engine.
   • Displacement: 3.6 liters (220 cubic inches).
   • Bore x Stroke: 104 mm x 115 mm (4.09 inches x 4.53 inches).
   • Aspiration: Naturally aspirated, designed for reliable performance in a variety of marine conditions.
   • Construction: The L136 engine is built using high-quality, marine-grade materials, ensuring durability and resistance to corrosion in saltwater environments.
2. Power Output:
   • Rated Power: 160 horsepower (hp) at 2,800 RPM.
   • Maximum Torque: Approximately 630 Nm (465 lb-ft) at 1,600 RPM.
   • The L136 engine is designed to provide consistent power and excellent torque, making it well-suited for medium-duty marine applications, such as small commercial vessels, recreational boats, and service boats.
3. Fuel System:
   • Fuel Type: Diesel, optimized for marine applications to ensure reliable operation and long engine life.
   • Fuel Delivery System: The engine uses an electronic fuel injection system, providing efficient combustion, reduced fuel consumption, and lower emissions. The advanced injection system ensures precision, improving overall engine efficiency.
   • Fuel Efficiency: The engine is designed to be fuel-efficient, reducing the operating costs associated with long-distance voyages or commercial applications where fuel consumption is critical.
4. Cooling System:
   • The L136 engine features a seawater-cooled heat exchanger system to prevent overheating, with freshwater circulating through the engine to maintain optimal internal temperatures.
   • This cooling system ensures that the engine operates efficiently under various load conditions, even in warmer waters or during extended use.
5. Exhaust System:
   • The exhaust system is designed for efficient removal of exhaust gases, ensuring smooth engine operation. It meets emissions standards for global marine operations, offering reduced emissions while maintaining performance.
   • The exhaust system also features noise reduction technologies, helping minimize onboard noise for passenger and crew comfort.
6. Lubrication System:
   • The engine uses a wet sump lubrication system, which ensures proper oil circulation and effective cooling of engine components. This system helps reduce friction and wear, contributing to longer engine life and more reliable performance.
7. Control and Monitoring:
   • Electronic Control Module (ECM): The L136 engine is equipped with an ECM that monitors various engine parameters and optimizes performance. The ECM system ensures that fuel efficiency is maximized and alerts operators to potential issues, enhancing the engine’s reliability.
   • Marine-Grade Digital Display: The engine integrates with marine monitoring systems to provide real-time data on fuel consumption, engine load, oil pressure, coolant temperature, and other important performance metrics.
8. Dimensions and Weight:
   • Length x Width x Height: Approximately 1,250 mm x 850 mm x 1,100 mm (49.2 inches x 33.5 inches x 43.3 inches).
   • Weight: Around 800 kg (1,764 lbs), making the engine compact and easy to integrate into smaller vessels without compromising power.
9. Noise and Vibration Reduction:
   • The Doosan L136 is engineered to reduce engine noise and vibration, providing a quieter and smoother ride, which is especially beneficial for recreational boats and vessels where passenger comfort is a priority.
10. Maintenance and Service:
    • The L136 is designed for easy maintenance with accessible components, allowing for quicker service and reduced downtime. Routine maintenance tasks like oil changes, filter replacements, and system checks are straightforward and cost-effective.
    • The engine features long service intervals and reliable filtration systems, minimizing the need for frequent repairs and reducing overall operating costs.
11. Environmental Compliance:
    • The Doosan L136 meets international emissions standards, including IMO and EPA Tier 3 regulations, ensuring that it operates with reduced emissions, contributing to cleaner marine environments.
    • The engine’s efficient combustion process, combined with its advanced fuel delivery system, helps to minimize harmful emissions without sacrificing performance.

Applications:

The Doosan L136 160 HP Marine Diesel Engine is versatile and well-suited for a variety of marine applications, including:

• Commercial Vessels: Ideal for small commercial vessels such as workboats, tugboats, and patrol boats, where reliability and fuel efficiency are crucial.
• Pleasure Craft/Boats: Perfect for recreational boats, yachts, and cruisers, providing the power needed for smooth cruising, fishing, and leisure activities.
• Utility Vessels: Its compact size and efficient operation make it a great choice for utility boats, tenders, and service vessels, offering reliable power in a small package.
• Fishing Boats: Suitable for both recreational and commercial fishing operations, where the engine’s torque and efficiency can be fully utilized.

Performance Benefits:

• High Power-to-Weight Ratio: With 160 horsepower in a compact design, the L136 offers excellent power output while maintaining a manageable weight for easy integration into various vessel types.
• Fuel Efficiency: The advanced fuel system ensures low fuel consumption, making it ideal for vessels that require long-range capabilities or frequent use.
• Compact and Durable Design: The engine’s relatively small footprint allows for space-efficient installations in smaller vessels without sacrificing performance or reliability.
• Low Emissions: Compliance with international emissions standards helps reduce the environmental impact of marine operations, promoting cleaner air and water.
• Smooth Operation: The advanced noise and vibration reduction technologies provide a quieter and more comfortable experience for operators and passengers.

Summary:

The Doosan L136 160 HP Marine Diesel Engine is a powerful and efficient solution for a variety of marine applications. Its compact design, fuel efficiency, and low emissions make it an excellent choice for small commercial vessels, pleasure boats, and utility boats. With features like electronic fuel injection, seawater cooling, and electronic control systems, the L136 ensures reliable and efficient performance while minimizing maintenance costs and environmental impact. Whether used for cruising, fishing, or workboat operations, the L136 engine delivers the power and reliability required for demanding marine conditions.