Description

The Doosan L086TIH 285 HP Marine Diesel Engine is a compact yet powerful marine engine designed for a variety of commercial and recreational marine applications. Known for its reliability, fuel efficiency, and smooth operation, this engine is engineered to deliver consistent performance even under challenging maritime conditions. Below is a detailed description of the Doosan L086TIH 285 HP Marine Diesel Engine:

Key Features:

1. Engine Configuration:
   • Type: Inline 6-cylinder, 4-stroke diesel engine.
   • Displacement: 8.6 liters (526 cubic inches).
   • Bore x Stroke: 106 mm x 125 mm (4.17 inches x 4.92 inches).
   • Aspiration: Turbocharged and aftercooled, enhancing the engine’s efficiency by optimizing air intake and reducing exhaust temperatures.
   • Construction: Designed with high-quality materials for durability and resistance to marine corrosion, making it ideal for long-term use in harsh environments.
2. Power Output:
   • Rated Power: 285 horsepower (hp) at 2,300 RPM.
   • Maximum Torque: Approximately 1,140 Nm (840 lb-ft) at 1,600 RPM.
   • The engine’s power delivery is smooth, ensuring reliable performance for a wide range of marine activities, including cruising, towing, and workboat operations.
3. Fuel System:
   • Fuel Type: Diesel, specially formulated for marine applications.
   • Fuel Delivery System: Direct fuel injection technology for enhanced fuel efficiency and optimized combustion, resulting in reduced emissions and better fuel economy.
   • Fuel Efficiency: The engine is designed to provide low fuel consumption, reducing operating costs over long voyages or continuous use.
4. Cooling System:
   • Equipped with a seawater-cooled heat exchanger and freshwater cooling system, the engine maintains optimal temperatures under various load conditions. This ensures the engine operates efficiently and prevents overheating, even during extended periods of high performance.
5. Exhaust System:
   • The Doosan L086TIH features a turbocharged exhaust system that includes an aftercooler, which cools the exhaust gases to improve fuel efficiency and reduce engine wear.
   • The engine is designed to meet emissions regulations, offering cleaner exhaust output while maintaining power and performance.
6. Turbocharging and Aftercooling:
   • The engine features a Turbocharger that increases air intake efficiency, providing the additional power required for demanding marine applications.
   • The Aftercooler further improves engine performance by cooling the compressed intake air, leading to better combustion efficiency and reducing the likelihood of engine knock.
7. Lubrication System:
   • The L086TIH uses a wet sump lubrication system, ensuring continuous oil circulation and effective cooling of engine components. This system helps minimize wear and tear on the engine, contributing to a longer lifespan and more reliable operation.
8. Control and Monitoring:
   • Electronic Control Module (ECM): The ECM system monitors and optimizes engine performance, providing real-time diagnostics, ensuring fuel efficiency, and preventing damage from excessive load or overheating.
   • Marine-Grade Display/Controls: The engine can be connected to various marine monitoring systems to display important information like fuel consumption, temperature, engine load, and oil pressure.
9. Dimensions and Weight:
   • Length x Width x Height: Approximately 1,200 mm x 850 mm x 1,200 mm (47.2 inches x 33.5 inches x 47.2 inches).
   • Weight: Roughly 1,300 kg (2,866 lbs), making it a relatively compact and manageable option for various vessel sizes while still offering powerful output.
10. Noise and Vibration Reduction:
    • Designed with advanced noise and vibration reduction technologies, the Doosan L086TIH engine operates quietly, contributing to a more comfortable onboard experience, particularly in passenger or leisure vessels.
11. Maintenance and Service:
    • The engine is built for ease of maintenance with accessible components, making routine inspections, oil changes, and other maintenance tasks more efficient and cost-effective.
    • Long service intervals, combined with Doosan’s reliable filtration systems, help keep maintenance costs low while ensuring the engine runs smoothly for years.
12. Environmental Compliance:
    • The Doosan L086TIH is designed to meet global emission standards for marine engines, including IMO and EPA Tier 3 requirements, ensuring minimal environmental impact without sacrificing power or efficiency.
    • The incorporation of turbocharging and aftercooling helps reduce emissions and increase fuel economy, further enhancing the engine’s environmental benefits.

Applications:

The Doosan L086TIH 285 HP Marine Diesel Engine is versatile and suitable for various marine applications, including:

• Commercial Vessels: Perfect for light-duty commercial workboats, patrol boats, small ferries, and utility boats requiring a reliable, cost-efficient engine.
• Pleasure Craft/Boats: Ideal for recreational boats and yachts, providing the necessary power for cruising, fishing, and other leisure activities.
• Fishing Boats: Well-suited for both recreational and professional fishing operations that require durability and dependability.
• Tenders and Service Vessels: Its compact size and efficiency make it an excellent option for tenders, support vessels, and other specialized marine applications.

Performance Benefits:

• High Power and Torque: The 285 HP engine provides ample power for various marine operations while maintaining a smooth performance even under heavy loads.
• Fuel Efficiency: The engine’s advanced fuel system and turbocharging technology ensure optimal fuel consumption, making it a cost-effective solution for long-term operations.
• Compact and Lightweight: Despite delivering solid performance, the L086TIH is relatively compact and lightweight, making it suitable for smaller vessels that require high performance without compromising space or weight limitations.
• Low Emissions: With its compliance to emission regulations, the engine helps reduce the environmental impact of marine operations, contributing to cleaner air and waters.

Summary:

The Doosan L086TIH 285 HP Marine Diesel Engine is a versatile, durable, and efficient power source for a wide range of commercial and recreational marine applications. With its turbocharged and aftercooled design, advanced fuel injection system, and low emissions, it offers a reliable and cost-effective solution for operators seeking a powerful engine that meets environmental regulations. Its compact size, low fuel consumption, and easy maintenance make it a great choice for various types of vessels, from fishing boats to workboats and leisure craft. Whether you’re navigating busy harbors or cruising in open waters, the Doosan L086TIH ensures smooth and efficient performance.