4007848
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4007848, is a specialized fastener produced by Cummins, a renowned manufacturer in the commercial truck industry. This screw is integral to the maintenance and operation of commercial trucks, providing a reliable means of securing various components. Cummins, known for its commitment to quality and innovation, ensures that this part meets the rigorous demands of heavy-duty applications.

Basic Concepts

Hexagon Flange Head Cap Screws are designed with a hexagonal head and a flange that sits against the surface being fastened. This design allows for efficient torque application and prevents the screw from sinking into the material. In the automotive industry, these screws are commonly used to secure components that require a high degree of stability and resistance to vibration. Their design ensures that they remain firmly in place, even under significant stress ¹.

Purpose and Role in Truck Operation

This Cummins part serves a specific purpose in commercial truck operation by securing critical components that are subject to dynamic loads and vibrations. Its role is to maintain the structural integrity of these components, ensuring they remain securely fastened during operation. This is particularly important in applications where the failure of a fastener could lead to significant mechanical issues.

Key Features

The 4007848 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance and reliability. Its hexagonal flange head design allows for easy installation and removal using standard tools, while the flange provides additional surface area to distribute the load and prevent the screw from pulling through the material. The screw is typically made from high-strength materials, such as alloy steel, which offers excellent tensile strength and durability. Additionally, the thread specifications are designed to provide a secure grip, minimizing the risk of loosening over time ².

Benefits

Using the 4007848 Hexagon Flange Head Cap Screw offers several benefits. The enhanced fastening strength provided by its design ensures that components remain securely attached, even in demanding environments. The material composition contributes to corrosion resistance, extending the lifespan of the screw in various conditions. Furthermore, the ease of installation reduces maintenance time and labor costs, making it a practical choice for commercial truck applications.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening due to vibration and corrosion in exposed environments. To address these issues, regular inspections should be conducted to ensure screws remain tight and show no signs of corrosion. If loosening is detected, re-tightening the screw to the manufacturer’s specified torque is recommended. In cases of corrosion, replacing the screw may be necessary to maintain structural integrity and prevent failure.

Cummins Overview

Cummins is a leading manufacturer in the automotive industry, with a long-standing reputation for quality and innovation. Founded in 1919, the company has a history of developing reliable and high-performance components for commercial vehicles. Cummins’ commitment to excellence is evident in its rigorous manufacturing processes and continuous investment in research and development, ensuring that its products meet the evolving needs of the industry ³.

Cummins Engine Compatibility with Part 4007848

The Hexagon Flange Head Cap Screw, part number 4007848, manufactured by Cummins, is a versatile component designed to fit a range of Cummins engines. This screw is engineered to provide secure fastening in various engine applications, ensuring durability and reliability.

QSK45 CM500 and QSK60 CM500

The QSK45 CM500 and QSK60 CM500 engines both benefit from the use of the 4007848 screw. This part is particularly suited for applications requiring robust fastening solutions in these medium-duty engines, providing a reliable connection in critical areas.

QSK60 CM850 MCRS and QSK60 G CM2358 K110

In the more powerful QSK60 CM850 MCRS and QSK60 G CM2358 K110 engines, the 4007848 screw plays a crucial role in maintaining structural integrity. These engines, often used in heavy-duty applications, require high-strength fasteners to withstand the rigors of continuous operation.

QSK60G

The QSK60G engine also utilizes the 4007848 screw. This engine, known for its versatility and power, depends on this screw for secure fastening in various components, ensuring optimal performance and longevity.

QSK78 CM500 and QSK95 CM2350 K111

For the larger QSK78 CM500 and QSK95 CM2350 K111 engines, the 4007848 screw is essential for maintaining the structural integrity of the engine. These engines, designed for heavy-duty applications, benefit from the screw’s ability to provide a strong and reliable fastening solution.

Each of these engines, regardless of their specific model or application, relies on the 4007848 screw to ensure that components are securely fastened, contributing to the overall reliability and performance of the engine.

Role of Part 4007848 Hexagon Flange Head Cap Screw in Engine Systems

The 4007848 Hexagon Flange Head Cap Screw is an essential component in the assembly and maintenance of various engine systems. Its design and functionality allow it to play a significant role in ensuring the stability and efficiency of engine operations.

Engine Arrangement

In the overall engine arrangement, the 4007848 screw is often used to secure critical components in place. This includes fastening engine covers, attaching sensor brackets, and securing wiring harnesses. Its flange head provides additional surface area for distribution of clamping force, reducing the risk of stripping or damage to the fastened material.

Rear Engine Support

For the rear engine support, the 4007848 screw is employed to attach support brackets and mounts. These brackets are vital for maintaining the structural integrity of the engine, especially under high vibrational stress. The screw’s hexagonal head allows for easy and secure tightening, ensuring that the rear support remains firmly in place.

Module and Fuel Control

In modules and fuel control systems, the 4007848 screw is used to fasten control units and sensors. These components require precise mounting to function correctly. The screw ensures that modules remain securely attached to the engine block or other structural elements, facilitating accurate fuel delivery and engine performance.

Front Engine Support

Similar to the rear engine support, the front engine support utilizes the 4007848 screw to secure mounting brackets and attachment points. This is particularly important for engines that experience significant front-end load, such as in high-performance or heavy-duty applications. The screw’s robust design helps in withstanding the dynamic forces encountered during operation.

General Engine Support

Throughout the engine, the 4007848 screw is a go-to fastener for various support structures. Whether it’s attaching heat shields, securing auxiliary components, or fastening engine covers, this screw provides the necessary strength and reliability. Its flange head also offers resistance against loosening, which is crucial in high-vibration environments typical of engine compartments.

Conclusion

In summary, the 4007848 Hexagon Flange Head Cap Screw is a versatile and reliable component that plays a significant role in the assembly and maintenance of engine systems. Its application across different engine components underscores its importance in ensuring the overall performance and durability of the engine.