3086220
Fan Pulley
Cummins®

The Cummins 3086220 Fan Pulley is a component designed for use in commercial trucks, playing a role in the engine’s cooling system. Its purpose is to facilitate the operation of the cooling fan, which is important for maintaining optimal engine temperature under various operating conditions.

Basic Concepts of a Fan Pulley

A fan pulley is a mechanical device that transfers rotational force from the engine to the cooling fan. It is a part of the engine cooling system, working in conjunction with the fan clutch and radiator to regulate engine temperature. The pulley’s design allows it to efficiently drive the fan, ensuring adequate airflow through the radiator to cool the engine ¹.

Purpose of the 3086220 Fan Pulley

This part is engineered to drive the cooling fan in commercial trucks. By doing so, it helps maintain the engine at an optimal operating temperature. This is achieved through the pulley’s interaction with the fan clutch, which controls the fan’s speed based on the engine’s cooling needs. Effective cooling is important for engine performance and longevity.

Key Features

This Cummins part is constructed with high-quality materials to ensure durability and reliable performance. Its design includes precision-machined grooves for secure belt engagement and a robust build to withstand the rigors of commercial truck operation. These features contribute to the pulley’s efficiency and longevity.

Benefits

The use of the 3086220 Fan Pulley offers several advantages. It enhances engine cooling efficiency, which can lead to improved engine performance and reduced risk of overheating. Additionally, its durable construction helps minimize wear on associated components, contributing to the overall reliability of the truck’s cooling system.

Installation and Compatibility

Proper installation of this part is crucial for its effective operation. It requires precise alignment and secure fastening to ensure it functions correctly within the engine cooling system. Compatibility with specific truck models and engine types should be verified to ensure optimal performance and integration with the vehicle’s cooling system.

Troubleshooting and Maintenance

Common issues with the 3086220 Fan Pulley may include belt slippage, noise during operation, or signs of wear. Regular inspection and maintenance can help identify these issues early, allowing for timely repairs or replacements. Proper maintenance practices, such as keeping the pulley and associated components clean and well-lubricated, can enhance its performance and longevity.

Performance Under Various Conditions

This part is designed to perform effectively under a range of operating conditions. Whether the truck is under heavy load, in high ambient temperatures, or in varying driving scenarios, the pulley plays a role in ensuring the engine remains at an optimal temperature. Its robust design and efficient operation contribute to reliable performance across different conditions.

Comparison with Other Fan Pulleys

When compared to similar products from other manufacturers, the Cummins 3086220 Fan Pulley stands out for its design, performance, and durability. Its construction and materials are tailored to meet the demanding requirements of commercial truck applications, offering a reliable solution for engine cooling.

Cummins Corporation

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range includes engines, filtration systems, and aftermarket parts, all designed to enhance the performance and reliability of commercial vehicles.

Fan Pulley Part 3086220 Compatibility with Cummins Engines

The Fan Pulley part number 3086220, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is crucial for the proper functioning of the engine’s cooling system, ensuring that the fan operates efficiently to maintain optimal engine temperature.

K19 Series Engines

The Fan Pulley part 3086220 is compatible with the K19 series engines. This compatibility ensures that the fan pulley operates smoothly, providing the necessary airflow to keep the engine cool under various operating conditions.

QSK19 Series Engines

For the QSK19 series engines, the part 3086220 is engineered to fit perfectly. These engines benefit from the precise design of the fan pulley, which helps in maintaining the cooling efficiency required for high-performance operations.

QSK19 CM2350 and QSK19 CM500

Specifically, the QSK19 CM2350 and QSK19 CM500 models are designed to work with the Fan Pulley part 3086220. This ensures that the fan operates at the correct speed and with the necessary force, contributing to the overall reliability and longevity of these engines.

QSK19 CM850 MCRS

The QSK19 CM850 MCRS engine also utilizes the Fan Pulley part 3086220. This compatibility is essential for maintaining the cooling system’s efficiency, especially in demanding applications where consistent engine performance is critical.

V903 Engine

The V903 engine is another model that is compatible with the Fan Pulley part 3086220. This compatibility ensures that the fan pulley operates effectively, providing the necessary cooling support for the engine’s performance and durability.

Role of Part 3086220 Fan Pulley in Engine Systems

The Part 3086220 Fan Pulley is an integral component in the efficient operation of engine systems. It interfaces directly with the fan and fan hub, facilitating the rotational motion necessary for effective cooling.

When the engine is operational, the drive mechanism engages with the Fan Pulley, transferring rotational force from the engine to the fan. This interaction ensures that the fan rotates at the correct speed to maintain optimal airflow across the engine’s cooling fins.

The Fan Pulley is mounted on the fan hub, which is, in turn, attached to the base of the engine. This setup allows for a stable and secure connection, ensuring that the fan operates smoothly without undue vibration or misalignment.

The base parts provide the necessary structural support, anchoring the Fan Pulley and fan hub in place. This stability is essential for the consistent and reliable performance of the cooling system.

In summary, the Part 3086220 Fan Pulley plays a role in the coordinated function of the engine’s cooling system by ensuring that the fan operates efficiently and effectively.

Conclusion

The Cummins 3086220 Fan Pulley is a critical component in the cooling systems of commercial trucks, designed to ensure efficient engine cooling under various operating conditions. Its high-quality construction, precise design, and compatibility with specific Cummins engine models make it a reliable choice for maintaining engine performance and longevity. Regular maintenance and proper installation are key to maximizing the benefits of this part.