3059943
Hexagon Head Cap Screw
Cummins®

The Cummins Part #3059943 Hexagon Head Cap Screw is a specialized fastener designed for use in commercial truck maintenance and operation. This screw is integral to ensuring the secure assembly of various truck components, contributing to the overall reliability and performance of commercial vehicles.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. The design of these screws facilitates strong and secure fastening, making them suitable for a wide range of applications. In fastening applications, the hexagonal head provides a stable interface for tools, reducing the risk of cam-out and ensuring consistent torque application ¹.

Purpose and Role in Truck Operation

This Cummins part plays a significant role in the operation and maintenance of commercial trucks by securing critical components. It is used in various applications, including engine assemblies, chassis components, and other structural parts. The screw ensures that these components remain firmly in place, contributing to the truck’s structural integrity and operational efficiency ².

Key Features

This part boasts several key features that enhance its performance and durability. It is typically made from high-strength materials, such as alloy steel, to withstand the rigors of commercial truck use. The screw features a coarse or fine thread, depending on the application, providing optimal holding power. Additionally, it may include unique design elements such as a corrosion-resistant coating to extend its service life in harsh environments ³.

Benefits

Using this part offers several benefits. Its high-strength material composition and precise thread design contribute to improved reliability and secure fastening. The screw is easy to install, requiring standard tools commonly found in truck maintenance facilities. Furthermore, its resistance to wear and corrosion ensures long-lasting performance, reducing the need for frequent replacements.

Installation and Usage Guidelines

To ensure optimal performance and longevity, follow these guidelines when installing this part:

1. Clean the fastening area to remove any debris or corrosion.
2. Apply a thread locker if specified by the manufacturer to prevent loosening.
3. Use the appropriate wrench or socket to tighten the screw to the recommended torque specification.
4. Check the fastening periodically to ensure it remains secure.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening due to vibration or corrosion. To troubleshoot these problems:

1. Inspect the screw and surrounding components for signs of wear or damage.
2. Re-tighten the screw to the specified torque if it has loosened.
3. Replace the screw if it shows significant corrosion or damage. Regular maintenance, such as cleaning and re-tightening, can prolong the life of the screw and ensure continued reliable performance.

Safety Considerations

When working with Hexagon Head Cap Screws, it is important to observe safety considerations to avoid damage or injury:

1. Use the correct tools and techniques to install and remove screws.
2. Wear appropriate personal protective equipment, such as gloves and safety glasses.
3. Ensure that the work area is clean and free of hazards.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has a long-standing reputation for quality and innovation in the commercial truck industry. The company is committed to providing reliable and efficient components that enhance the performance and durability of commercial vehicles.

Compatibility with Cummins Engines

This part, manufactured by Cummins, is a versatile component designed to fit a variety of Cummins engines. It is essential for securing various parts and assemblies within the engine, ensuring structural integrity and operational efficiency.

K50 and QSK Series Engines

This part is compatible with the K50 engine, as well as the QSK38 CM2150 MCRS and QSK50 CM2150 MCRS engines. These engines are known for their robust design and high performance, often used in heavy-duty applications. The screw’s design allows it to withstand the stresses and vibrations inherent in these powerful engines, providing a reliable fastening solution.

N14 Engines

For the N14 CELECT and N14 MECHANICAL engines, this part is an ideal choice. These engines are widely used in various industries, including construction and transportation, due to their durability and efficiency. The screw’s compatibility with these engines ensures that it can securely fasten components under demanding conditions, maintaining the integrity of the engine’s assembly.

NH/NT 855 Engines

This part is also suitable for the NH/NT 855 engines. These engines are known for their versatility and are often used in agricultural and industrial applications. The screw’s design allows it to be used in various configurations within these engines, providing a secure and reliable fastening solution.

QSK50 CM2350 K108 Engine

Finally, this part is compatible with the QSK50 CM2350 K108 engine. This engine is designed for high-performance applications, and the screw’s ability to withstand the stresses of such environments makes it an excellent choice for securing components within this engine.

Role of Part 3059943 Hexagon Head Cap Screw in Engine Systems

This part is instrumental in securing various components within engine systems, ensuring optimal performance and reliability.

In the aftercooler system, this screw is utilized to fasten the aftercooler to its mounting bracket, facilitating efficient heat exchange between the compressed air and the cooling medium. This secure attachment is vital for maintaining the structural integrity of the aftercooler, which is essential for the effective cooling of compressed air before it enters the engine.

Within the compressor assembly, the Hexagon Head Cap Screw is employed to secure compressor blades and housing components. This ensures that the compressor operates smoothly, with minimal vibration and maximum efficiency in compressing the intake air.

For refrigerant systems integrated within engine cooling mechanisms, the screw plays a role in securing refrigerant lines and components. This secure fastening is important for maintaining the integrity of the refrigerant pathway, ensuring efficient heat exchange and reliable cooling performance.

In the EBM (Electric Blower Motor) setup, particularly at its designated location, the screw is used to mount the EBM securely to the engine frame or chassis. This secure attachment is necessary for the stable operation of the blower motor, which is responsible for enhancing airflow within the engine bay.

The turbocharger system benefits from the use of this screw in securing turbocharger components, such as the turbine housing and compressor cover. This secure fastening is essential for maintaining the turbocharger’s efficiency in boosting engine performance by compressing the intake air.

Lastly, in the intake manifold assembly, the Hexagon Head Cap Screw is utilized to fasten the manifold to the engine block. This secure attachment ensures that the intake manifold operates efficiently, providing a consistent and optimized airflow to the engine cylinders.

Overall, this part is a fundamental component in the assembly and operation of various engine systems, contributing to their efficiency, reliability, and performance.

Conclusion

The Cummins Part #3059943 Hexagon Head Cap Screw is a critical component in the maintenance and operation of commercial trucks. Its robust design, compatibility with various Cummins engines, and key features make it an essential fastener for securing critical components within engine systems. By ensuring secure and efficient fastening, this part contributes to the overall reliability and performance of commercial vehicles.