4947579
Flywheel Housing
Cummins®

The Cummins 4947579 Flywheel Housing is a component designed for use in heavy-duty trucks. It serves a significant role in the operation of these vehicles by providing a secure and stable environment for the flywheel, which is integral to the engine’s power transmission system.

Basic Concepts of Flywheel Housing

A flywheel housing is a protective casing that encases the flywheel, a heavy rotating disc that stores rotational energy and smooths out the power delivery from the engine to the transmission ¹. The housing not only protects the flywheel but also ensures proper alignment and interaction with other components such as the clutch and transmission. It plays a role in maintaining the integrity of the engine system by providing a sealed environment that prevents contaminants from entering and affecting the flywheel’s operation.

Purpose of the 4947579 Flywheel Housing

This Cummins part is specifically engineered to support the flywheel in heavy-duty truck applications. It facilitates smooth power transmission by ensuring the flywheel is securely held in place and properly aligned with the clutch and transmission. This housing plays a role in the efficient operation of the truck’s engine by contributing to the stability and reliability of the power transmission process.

Key Features

The 4947579 is constructed from durable materials that are designed to withstand the rigors of heavy-duty truck operation. Its design includes features such as precise machining for accurate fitment, robust construction to handle high torque, and sealing provisions to keep the internal components clean and free from contaminants. These characteristics contribute to the housing’s performance and longevity in demanding applications.

Benefits

The use of the 4947579 in a truck’s engine system can lead to improved engine performance due to its role in maintaining the flywheel’s alignment and operation. Its durable construction enhances the overall durability of the engine system, and its design contributes to reliable power transmission from the engine to the transmission.

Installation Process

Installing the 4947579 involves several steps to ensure proper fitment and function. It is important to follow manufacturer guidelines for torque specifications and alignment procedures to ensure the housing is correctly installed. Careful attention to detail during installation can help prevent issues such as leaks or misalignment, which could affect the performance of the engine system.

Common Issues and Troubleshooting

Common issues with flywheel housings may include leaks, cracks, or misalignment. These can often be identified through visual inspection or by observing symptoms such as unusual noises or vibrations during operation. Troubleshooting may involve checking for proper alignment, inspecting seals for damage, and ensuring all fasteners are correctly torqued. Addressing these issues promptly can help maintain the performance and reliability of the engine system.

Maintenance Tips

To ensure the longevity and optimal performance of the 4947579, regular maintenance is recommended. This includes inspecting the housing for signs of wear or damage, cleaning the exterior to remove any buildup, and ensuring that all seals and gaskets are in good condition. Lubricating moving parts as per manufacturer recommendations can also contribute to the smooth operation of the housing and the overall engine system ².

Compatibility and Applications

The 4947579 is designed for use with specific Cummins engine models and is suitable for various heavy-duty truck applications. Its compatibility ensures that it can be integrated into the engine system without requiring modifications, providing a reliable solution for power transmission in these vehicles.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a history of innovation and a commitment to quality, Cummins has established a reputation for producing reliable and high-performance products for the automotive industry. The company’s extensive product range and focus on customer satisfaction underscore its position as a leader in the field.

Cummins Flywheel Housing Part 4947579 Compatibility

The Cummins flywheel housing part number 4947579 is designed to fit seamlessly with a range of Cummins engines, ensuring compatibility and reliability across various applications. This part is integral to the engine’s operation, providing a secure housing for the flywheel and contributing to the overall efficiency and performance of the engine.

Engine Compatibility

• 4B3.9 and 6B5.9 Engines

The flywheel housing part 4947579 is specifically engineered to fit the 4B3.9 and 6B5.9 engines. These engines are known for their robust performance and reliability, making them a popular choice in various industrial and commercial applications. The compatibility of the flywheel housing with these engines ensures that the part will function effectively, contributing to the smooth operation and longevity of the engine.

• Other Cummins Engines

While the primary focus is on the 4B3.9 and 6B5.9 engines, it is important to note that the flywheel housing part 4947579 may also be compatible with other Cummins engines. This part is designed with a high degree of precision and quality, ensuring that it can fit a variety of engine models within the Cummins range. Users should consult the manufacturer’s specifications or a professional technician to confirm compatibility with their specific engine model.

Importance of Proper Fitment

Proper fitment of the flywheel housing is crucial for the engine’s performance and longevity. The part must align correctly with the engine’s components to ensure that the flywheel operates smoothly and efficiently. Any misalignment or improper fitment can lead to increased wear and tear, reduced performance, and potential engine damage.

By ensuring that the flywheel housing part 4947579 is correctly installed, users can maintain the integrity and efficiency of their Cummins engines, contributing to their overall reliability and performance.

Role of Part 4947579 Flywheel Housing in Engine Systems

The part 4947579 Flywheel Housing is integral to the operation of engine systems, serving as a protective and structural component for the flywheel. This housing is designed to encase the flywheel, which is a rotating mechanical device that stores rotational energy. The flywheel housing not only safeguards the flywheel from external elements but also helps in maintaining the alignment and integrity of the flywheel within the engine system.

In the context of engine systems, the flywheel housing interfaces with several key components. It is bolted to the engine block, ensuring a secure fit that allows for the transmission of rotational forces. The housing also interacts with the clutch assembly, where the pressure plate is mounted onto the flywheel housing. This connection is vital for the engagement and disengagement of the clutch, which in turn controls the transfer of power from the engine to the transmission.

Furthermore, the flywheel housing plays a role in the operation of the starter motor. When the engine is started, the starter motor engages with the flywheel, which is housed within the flywheel housing. This engagement allows the starter motor to spin the flywheel, initiating the engine’s combustion cycle.

In summary, the part 4947579 Flywheel Housing is a fundamental component that ensures the proper function and protection of the flywheel within the engine system. Its interactions with the engine block, clutch assembly, and starter motor are essential for the overall performance and reliability of the engine.

Conclusion

The 4947579 Flywheel Housing is a critical component in the operation of heavy-duty truck engines, providing a secure and stable environment for the flywheel. Its durable construction, precise fitment, and compatibility with specific Cummins engines make it a reliable choice for maintaining the efficiency and performance of the engine system. Regular maintenance and proper installation are key to ensuring the longevity and optimal performance of this part.