4900865
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4900865, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This screw is significant in the realm of commercial truck maintenance due to its robust design and reliable performance. Cummins, known for its commitment to quality and innovation, produces this screw to meet the demanding requirements of truck operations ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient tightening and loosening using a wrench, while the flange provides additional surface area to distribute load and prevent the screw from sinking into the material. In the context of truck components, this screw is utilized to secure various parts, ensuring they remain firmly in place under operational stress ².

Purpose and Role in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is employed in various truck systems where secure fastening is required. This includes, but is not limited to, engine components, chassis parts, and other critical assemblies. The screw’s design ensures that it can withstand significant stress and vibration, which are common in truck environments ³.

Key Features

The 4900865 boasts several key features that contribute to its effectiveness and durability. Its hexagonal head design facilitates easy and precise tightening, while the flange enhances load distribution and prevents the screw from embedding into the material. Additionally, the screw is crafted from high-quality materials, ensuring it can endure the harsh conditions encountered in truck operations ⁴.

Benefits

Utilizing this part in truck maintenance offers several advantages. The screw provides improved fastening security, which is vital for maintaining the integrity of truck components. Its resistance to vibration ensures that fastenings remain secure even under dynamic conditions. Furthermore, the screw’s design allows for ease of installation and removal, streamlining maintenance procedures ⁵.

Installation and Usage

Proper installation of the 4900865 is crucial for optimal performance. It is recommended to follow torque specifications provided by Cummins to ensure the screw is tightened to the appropriate level. Best practices include using the correct tools and ensuring the mating surfaces are clean and free of debris. This will help achieve a secure and lasting fastening ⁶.

Troubleshooting and Maintenance

Common issues with the 4900865 may include loosening or corrosion. Regular inspection and maintenance can help identify and address these problems early. If loosening is detected, re-tightening the screw to the specified torque is recommended. In cases of corrosion, cleaning the affected area and applying a suitable anti-corrosive treatment can help prolong the screw’s lifespan and ensure continued reliable performance ⁷.

Cummins Overview

Cummins is a renowned manufacturer with a rich history in the automotive industry. The company is recognized for its commitment to quality and innovation, producing a wide range of automotive components that meet the rigorous demands of commercial truck operations. Cummins’ reputation is built on its dedication to delivering reliable and high-performing parts, making it a trusted name in the industry ⁸.

Cummins Hexagon Flange Head Cap Screw 4900865 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw part number 4900865 is a critical component in various engine assemblies, ensuring secure fastening and reliable performance. This part is designed to fit seamlessly within the engine architecture, providing essential structural integrity and ease of assembly.

A1400 and A1700 Engines

In the A1400 and A1700 engines, the 4900865 screw is utilized in several key areas. These engines, known for their robust design and efficiency, require precise fastening to maintain operational integrity. The screw’s flange head provides a broad surface area for torque application, ensuring that components remain tightly secured under various operational conditions. Its hexagonal shape allows for efficient use of tools, facilitating quick and reliable assembly and disassembly ⁹.

A2000 and A2300 Engines

The A2000 and A2300 engines also benefit from the use of the 4900865 screw. These engines, typically larger and more powerful, demand higher strength and durability in their fastening components. The screw’s design ensures that it can withstand the increased stresses and vibrations associated with these engines. Its application in these models is crucial for maintaining the alignment and stability of various engine parts, contributing to the overall performance and longevity of the engine ¹⁰.

Grouping by Application

The 4900865 screw is strategically placed in areas where high precision and reliability are paramount. In both the A1400/A1700 and A2000/A2300 engine groups, the screw is used in similar contexts, such as securing engine covers, mounting brackets, and other critical components. Its consistent application across these engines highlights its versatility and importance in Cummins’ engine design philosophy ¹¹.

Understanding the Role of Part 4900865 Hexagon Flange Head Cap Screw in Engine Systems

In the intricate world of engine systems, the part 4900865 Hexagon Flange Head Cap Screw serves as a fundamental component, ensuring the secure assembly and reliable operation of various engine elements. This screw is integral to the proper functioning of components such as spacers and fan pilots.

Integration with Spacers

Spacers are often used in engine systems to maintain proper distance and alignment between components. The 4900865 Hexagon Flange Head Cap Screw plays a significant role here by securely fastening spacers in place. This ensures that the components remain aligned correctly, which is essential for the efficient transfer of power and the smooth operation of the engine. The flange head of the screw provides additional surface area for a more stable and robust connection, reducing the likelihood of loosening over time due to vibrations ¹².

Application in Fan Pilot Systems

Fan pilots are critical for regulating the airflow within an engine, helping to manage temperature and enhance performance. The 4900865 Hexagon Flange Head Cap Screw is utilized to attach fan pilots to their respective mounts or brackets. Its design allows for easy installation and removal, facilitating maintenance and adjustments as needed. The flange head also aids in distributing the clamping force more evenly, which is particularly beneficial in high-stress areas where the fan pilot operates ¹³.

Enhanced Stability and Performance

By incorporating the 4900865 Hexagon Flange Head Cap Screw into these systems, engineers and mechanics can achieve enhanced stability and performance. The screw’s robust construction and flange head design contribute to a more secure attachment, which is vital in the dynamic environment of an engine. This not only ensures the longevity of the components but also contributes to the overall reliability and efficiency of the engine system ¹⁴.

Conclusion

The 4900865 Hexagon Flange Head Cap Screw is a vital component in the maintenance and operation of commercial trucks and engines. Its robust design, ease of use, and reliable performance make it an essential part for securing various truck and engine components. Proper installation, regular maintenance, and understanding its role in engine systems are key to maximizing its benefits and ensuring the longevity and efficiency of truck operations.