fits model: Marine.

( Brand: Yanmar ), ( Manufacturer Part Number: 4LHA-STP ), ( Part Type: Engine ), ( Featured Refinements: Marine Diesel Engine ), ( Engine Hp : 240 )
The 4LHA-STP Yanmar Marine Diesel Engine is a powerful and reliable powerhouse designed for marine applications. This engine is part of Yanmar's High Pressure Common Rail (HPCR) series, which is known for its advanced technology and fuel efficiency.
The 4LHA-STP engine is a six-cylinder, in-line, turbocharged, and intercooled diesel engine. It has a displacement of 4.0 liters and a maximum power output of 270 kW (362 PS) at 2300 RPM. The engine is equipped with a SCR (Selective Catalytic Reduction) system to meet the strict emission regulations, ensuring minimal environmental impact.
The 4LHA-STP engine features Yanmar's latest advanced Common Rail system, which provides precise fuel injection and optimizes combustion for maximum power and efficiency. The engine also has an electronically controlled unit pump (ECUP) for precise fuel control and a high-pressure fuel injection system for improved fuel efficiency and reduced emissions.
The engine is built with a robust and durable design, featuring a cast iron cylinder block, forged steel crankshaft, and high-strength aluminum alloy cylinder head. The cylinder block is reinforced with water jackets for superior heat dissipation, ensuring the engine's longevity and reliability even under heavy marine operation.
The 4LHA-STP engine is also equipped with Yanmar's proprietary VP (Vessel Protection) system, which monitors critical engine parameters and automatically shuts down the engine in the event of an abnormal condition to protect the vessel.
In summary, the 4LHA-STP Yanmar Marine Diesel Engine is a high-performance, fuel-efficient, and environmentally friendly engine designed for marine applications. Its advanced technology, robust design, and reliable performance make it an excellent choice for powering a wide range of marine vessels.
Pros of buying a 4LHA-STP Yanmar marine diesel engine:1. Reliability: Yanmar engines are known for their durability and reliability, which is crucial for marine applications.
2. Fuel Efficiency: The 4LHA-STP engine is designed for optimal fuel efficiency, which can save you money in the long run.
3. Power: With a maximum power output of 150hp, this engine provides enough power for most small to medium-sized boats.
4. Ease of Maintenance: Yanmar engines are easy to maintain, which can help reduce downtime and repair costs.
Cons of buying a 4LHA-STP Yanmar marine diesel engine:1. Price: Yanmar engines are generally more expensive than other brands, which can be a deterrent for some buyers.
2. Availability of Parts: Yanmar parts might not be as readily available as parts for other engine brands, which could make repairs more difficult and expensive.
3. Noise Level: The 4LHA-STP engine is not the quietest engine on the market, which could be a concern for those who value noise reduction in their marine applications.
Conclusion:The 4LHA-STP Yanmar marine diesel engine is a reliable, fuel-efficient, and powerful option for small to medium-sized boats. However, its higher price and potentially limited parts availability are drawbacks that should be considered. Ultimately, the decision to buy this engine depends on your specific needs, budget, and preferences. If reliability, power, and fuel efficiency are your top priorities, the 4LHA-STP Yanmar engine could be a great choice for you. If you are looking for a more affordable option with easier parts availability, you might want to consider other engine brands.
Discount price offered now at 16k. Long block complete. Engine in process of overhaul.