4944471
Hexagon Flange Head Cap Screw
Cummins®

The Cummins Hexagon Flange Head Cap Screw (Part #4944471) is a specialized fastener designed for use in commercial trucks. This screw is integral to truck maintenance and operation, providing a reliable means to secure various components within the vehicle’s structure. Its design and functionality are tailored to meet the demanding requirements of heavy-duty applications, ensuring both durability and performance in the field.

Basic Concepts

Hexagon Flange Head Cap Screws are characterized by their hexagonal head and flange feature, which offers a larger bearing surface and improved resistance to loosening. These screws are commonly used in mechanical assemblies where secure fastening is required. The hexagonal head allows for efficient torque application using standard tools, while the flange distributes load more evenly, reducing the risk of damage to the fastened material ¹.

Purpose and Role in Truck Operation

In the context of commercial truck applications, the 4944471 Hexagon Flange Head Cap Screw serves a specific purpose in securing components and ensuring structural integrity. It is often used in areas where vibrations and dynamic loads are present, such as in the engine compartment or chassis. By providing a secure and stable connection, this screw helps maintain the alignment and functionality of critical truck components ².

Key Features

The 4944471 Hexagon Flange Head Cap Screw features a hexagonal head design that facilitates easy and precise torque application. The flange at the base of the head enhances the screw’s resistance to loosening, making it suitable for applications where vibrations are common. The material composition of the screw is selected to offer durability and corrosion resistance, ensuring long-term performance in various environmental conditions. Additionally, the thread specifications are designed to provide a strong and secure fastening solution ³.

Benefits

The 4944471 Hexagon Flange Head Cap Screw offers several benefits in truck maintenance applications. Its design allows for enhanced torque application, ensuring that components are securely fastened. The flange feature provides additional resistance to loosening, which is particularly beneficial in dynamic environments. Furthermore, the screw’s compatibility with various fastening applications makes it a versatile choice for different truck maintenance scenarios.

Installation Guidelines

Proper installation of the 4944471 Hexagon Flange Head Cap Screw is crucial for ensuring secure and reliable fastening. It is recommended to use the appropriate torque specifications provided by the manufacturer to avoid over-tightening or under-tightening. Standard tools such as socket wrenches are suitable for installation. Following best practices, such as cleaning the fastening area and inspecting the screw for any damage before use, will help achieve optimal performance and longevity.

Troubleshooting and Maintenance

Common issues with the 4944471 Hexagon Flange Head Cap Screw may include loosening, corrosion, or damage. Regular inspection and maintenance can help identify and address these issues promptly. If loosening is detected, re-torquing the screw to the specified value may resolve the issue. In cases of corrosion, cleaning the affected area and applying a suitable anti-corrosive treatment can help prolong the screw’s service life. Damaged screws should be replaced to maintain structural integrity.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the commercial truck industry, Cummins is committed to quality and innovation. The company’s extensive product portfolio includes a wide range of components designed to meet the rigorous demands of heavy-duty applications, ensuring reliable performance and durability in various operating conditions.

Cummins Engine Compatibility with Part 4944471

The Cummins part 4944471, a Hexagon Flange Head Cap Screw, is designed to fit seamlessly within the engine assembly of various Cummins engine models. This screw is integral in securing components within the engine, ensuring both stability and reliability during operation.

B3.3 Series

The B3.3 engine model benefits from the use of the 4944471 screw in several critical applications. This part is often used in securing the engine’s head cover, ensuring a tight seal and preventing leaks. Its robust design and precision engineering make it an ideal choice for maintaining the integrity of the engine’s internal components.

QSB3.3 CM2150

The QSB3.3 CM2150 engine also incorporates the 4944471 screw in its assembly. This engine model, known for its durability and efficiency, relies on this screw to secure various parts, including the cylinder head and other critical engine components. The screw’s ability to withstand high stress and pressure makes it a vital component in the engine’s overall performance.

QSB7 CM2880 B117

The QSB7 CM2880 B117 engine, a more powerful variant, utilizes the 4944471 screw in several key areas. This engine, designed for heavy-duty applications, requires a screw that can handle significant mechanical stress. The 4944471 screw is used to secure the engine’s head cover and other critical components, ensuring the engine operates smoothly and efficiently under demanding conditions.

Role of Part 4944471 Hexagon Flange Head Cap Screw in Engine Systems

Fan Drive

The Hexagon Flange Head Cap Screw, identified by part number 4944471, is instrumental in securing the fan drive assembly. This screw ensures that the fan drive remains firmly attached to the engine, allowing for efficient transfer of rotational force from the engine to the cooling fan. Its flange head design provides a larger surface area for torque application, enhancing the stability and reliability of the fan drive connection.

Fan Support

In the context of fan support structures, the 4944471 screw plays a significant role in maintaining the integrity of the fan assembly. It is used to fasten the fan support brackets, which are essential for holding the fan blades in place and ensuring they operate smoothly. The robust design of the flange head screw helps in withstanding the dynamic loads and vibrations that the fan support experiences during engine operation.

Water Pump

When it comes to the water pump, the 4944471 screw is employed to secure the pump housing to the engine block or the water pump bracket. This ensures that the water pump remains stable and aligned correctly, which is vital for the efficient circulation of coolant through the engine. The flange head provides additional resistance against loosening, which is particularly important given the high temperatures and pressures involved in coolant circulation.

Water Pump Kit

In a water pump kit, which often includes various components such as the impeller, gaskets, and housing, the 4944471 screw is used to assemble these parts securely. It ensures that all elements of the water pump kit are held together firmly, contributing to the overall reliability and performance of the cooling system. The screw’s design allows for easy installation and removal, facilitating maintenance and repair processes.

Conclusion

The Cummins Hexagon Flange Head Cap Screw (Part #4944471) is a critical component in the maintenance and operation of commercial trucks. Its robust design, precision engineering, and compatibility with various engine models make it an essential part of ensuring structural integrity and performance in heavy-duty applications. Proper installation, regular maintenance, and timely troubleshooting are key to maximizing the effectiveness of this screw in truck operations.