4900936
Fan Pulley
Cummins®

The Cummins 4900936 Fan Pulley is a vital component in commercial trucks, essential for maintaining engine temperature within optimal ranges under various operating conditions. This part facilitates the cooling process by connecting the engine’s crankshaft to the cooling fan via a belt, ensuring efficient operation of the cooling system.

Basic Concepts of a Fan Pulley

A fan pulley, such as the 4900936, is a mechanical device that transfers rotational force from the engine to the cooling fan. This transfer is crucial for moving air across the radiator, thereby cooling the engine. The efficiency of this process is critical for maintaining engine temperature, particularly under heavy loads or in hot weather conditions ¹.

Purpose of the 4900936 Fan Pulley

This Cummins part is integral to the truck’s cooling system. It ensures the cooling fan operates efficiently, dissipating heat from the engine and preventing overheating. Efficient cooling is essential for engine longevity and performance, making the fan pulley a key component in the system ².

Key Features

The 4900936 is engineered with specific features to enhance performance and durability. Constructed from high-quality materials, it is designed to withstand the rigors of commercial truck operation. Its precise engineering specifications ensure compatibility and efficient operation within the truck’s engine system.

Benefits

The benefits of the 4900936 include improved engine efficiency, reduced wear on associated components, and enhanced reliability of the cooling system. Its durable construction reduces the need for frequent replacements, contributing to lower maintenance costs.

Installation and Compatibility

Proper installation of this part is crucial for its effective operation. It requires specific preparations and tools to ensure a secure and effective fit within the truck’s engine system. Following the manufacturer’s guidelines for installation is important to ensure that the pulley functions as intended and integrates seamlessly with the existing engine components.

Troubleshooting and Maintenance

Identifying common issues related to the 4900936 and performing regular maintenance can prolong its service life and ensure consistent performance. Diagnostic procedures may include checking for signs of wear, ensuring proper belt tension, and verifying that the pulley is securely mounted. Regular maintenance practices, such as inspecting for damage and ensuring proper alignment, are important for the longevity and efficiency of the pulley.

Performance Enhancements

Exploring potential upgrades or modifications to the 4900936 can improve engine cooling efficiency. Aftermarket options or adjustments may offer enhanced performance, contributing to better engine cooling and overall system efficiency. It is important to consider the compatibility and effectiveness of any upgrades to ensure they provide the desired improvements.

Common Myths and Misconceptions

There are frequent misunderstandings about fan pulleys in general and the 4900936 specifically. Providing accurate information helps in dispelling these myths, ensuring that users have a clear understanding of the pulley’s function, benefits, and proper usage.

About Cummins

Cummins Inc. is a renowned manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a diverse product range and a strong reputation for reliability, Cummins continues to be a leader in providing solutions for the transportation sector, including high-quality components like the 4900936 Fan Pulley.

Compatibility with Cummins Engines

The 4900936, manufactured by Cummins, is designed to fit seamlessly with a range of Cummins engines, ensuring optimal performance and reliability. This part is engineered to work with the following engine models:

• A1400 and A1700 Engines

The 4900936 is specifically tailored to fit the A1400 and A1700 engines. These engines are known for their robust design and efficiency, making the pulley an essential component for maintaining the cooling system’s functionality. The pulley’s precise fit ensures that it can effectively drive the fan, which is crucial for the engine’s cooling process.

• A2000 and A2300 Engines

Similarly, the 4900936 is compatible with the A2000 and A2300 engines. These engines are part of a series that emphasizes durability and performance. The pulley’s design aligns perfectly with these engines, ensuring that the fan operates smoothly and efficiently. This compatibility is vital for maintaining the engine’s operational temperature and preventing overheating.

By using the 4900936 with these engines, users can expect reliable performance and longevity. The pulley’s fitment is critical for the proper functioning of the cooling system, which is essential for the overall health and efficiency of the engine.

Role of the 4900936 Fan Pulley in Engine Systems

The 4900936 Fan Pulley is an integral component in the efficient operation of engine systems, specifically in the interaction between the drive system and the fan.

When the engine is operational, the drive system, typically powered by the crankshaft via a belt or chain, transmits rotational force to the fan pulley. This pulley, in turn, ensures that the fan rotates at the correct speed to provide adequate airflow across the engine’s cooling system.

The fan, driven by the pulley, plays a significant role in maintaining optimal engine temperature by dissipating heat. The pulley’s design allows for efficient power transmission with minimal energy loss, ensuring that the fan operates effectively even under varying engine loads and speeds.

This component’s reliable performance is essential for the overall efficiency and longevity of the engine, as it helps prevent overheating and ensures that the engine operates within its designed temperature range.

Conclusion

The Cummins 4900936 Fan Pulley is a critical component in the cooling system of commercial trucks. Its role in maintaining optimal engine temperature is essential for the longevity and performance of the engine. With its durable construction, precise engineering, and compatibility with various Cummins engines, this part ensures efficient operation of the cooling system, contributing to the overall reliability and efficiency of the truck.