4026245
Hexagon Head Cap Screw
Cummins®

Introduction

The Hexagon Head Cap Screw is a critical component in commercial trucks, offering secure fastening solutions essential for the integrity and functionality of various truck systems. Cummins, a leading manufacturer in the commercial truck industry, produces the 4026245 Hexagon Head Cap Screw, designed to meet the rigorous demands of heavy-duty applications. This overview explores the specifics of this part, its role, features, and the benefits it offers in truck operations.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is distinguished by its hexagonal head, facilitating efficient tightening and loosening with a wrench or socket. This design ensures a firm grip, minimizing slippage during installation. Cap screws are used in mechanical assemblies to join components securely, designed to distribute load and resist shear and tensile forces effectively ¹.

Purpose of the 4026245 Hexagon Head Cap Screw in Truck Operations

The 4026245 Hexagon Head Cap Screw by Cummins is vital for the operation and maintenance of commercial trucks. It is commonly used in applications requiring high tensile strength and resistance to vibration. Typical uses include securing engine parts, transmission components, and chassis assemblies. Its role is to provide a reliable fastening solution capable of withstanding the rigors of heavy-duty truck operations.

Key Features of the 4026245 Hexagon Head Cap Screw

The 4026245 Hexagon Head Cap Screw is characterized by several distinctive features. It is manufactured from high-quality materials, ensuring durability and longevity. The screw features a specific thread type for optimal engagement with mating components. Additionally, it may include special coatings or treatments to enhance corrosion resistance and facilitate easier installation and removal.

Benefits of Using the 4026245 Hexagon Head Cap Screw

Utilizing the 4026245 Hexagon Head Cap Screw offers several advantages. Its robust construction contributes to the overall durability of truck components it secures. The screw’s design provides excellent resistance to vibration, crucial in the dynamic environment of a commercial truck. Furthermore, its ease of installation and removal simplifies maintenance procedures, reducing downtime and enhancing operational efficiency.

Installation and Usage Guidelines

Proper installation of the 4026245 Hexagon Head Cap Screw is vital for its effectiveness. It should be installed using the appropriate tools, such as a torque wrench, to achieve the recommended torque specifications. This ensures that the screw is tightened to the correct level, providing a secure fastening without over-tightening, which could lead to damage.

Troubleshooting Common Issues

Common issues associated with Hexagon Head Cap Screws include loosening due to vibration and corrosion. To address loosening, ensure that the screw is properly torqued during installation and consider using lock washers or thread lockers for additional security. Corrosion can be mitigated by selecting screws with appropriate coatings or treatments and by performing regular inspections and maintenance.

Maintenance Tips

Regular maintenance is key to ensuring the longevity and reliability of the 4026245 Hexagon Head Cap Screw. Inspections should be conducted to check for signs of wear, corrosion, or loosening. Replacement should be considered if any issues are detected to prevent potential failures. Adhering to manufacturer guidelines for torque specifications and maintenance practices will help maintain the screw’s performance over time.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company’s commitment to excellence is evident in its product range, which includes a variety of components designed to enhance the performance and reliability of commercial vehicles ².

Cummins Part 4026245 Hexagon Head Cap Screw in Engine Applications

The Cummins part 4026245 Hexagon Head Cap Screw is a critical component in various engine configurations, ensuring secure fastening and structural integrity. This part is utilized in the following Cummins engine models:

• 6C8.3: The 6C8.3 engine benefits from the reliability and precision of the 4026245 screw in its assembly, providing essential fastening for components that demand high-strength and durability.

• NH/NT 855: In the NH/NT 855 engines, the 4026245 screw is integral to the engine’s assembly, offering robust fastening solutions for various parts, ensuring the engine operates smoothly and efficiently.

• QSK50 CM2150 MCRS: The QSK50 CM2150 MCRS engine incorporates the 4026245 screw in its design, leveraging its strength and precision to secure critical components, contributing to the engine’s overall performance and longevity.

These engines, while differing in their specific applications and power outputs, all rely on the 4026245 Hexagon Head Cap Screw for its ability to provide reliable fastening in demanding environments.

Role of Part 4026245 Hexagon Head Cap Screw in Engine Systems

The part 4026245 Hexagon Head Cap Screw is instrumental in securing and maintaining the integrity of various components within engine systems. Its application is widespread across different parts of the engine, ensuring that each component functions as intended.

Front Engine Support

In the front engine support system, the 4026245 Hexagon Head Cap Screw is used to fasten the support structure to the engine block. This connection is vital for absorbing and distributing the forces generated during engine operation, thereby reducing stress on the engine mount and enhancing overall stability.

Spacer

When utilized with spacers, the 4026245 Hexagon Head Cap Screw helps in maintaining precise distances between components. This is particularly important in ensuring that parts like sensors, brackets, and other attachments are aligned correctly, which is essential for the accurate functioning of the engine.

Fan Pilot

The fan pilot, which guides the engine cooling fan, relies on the 4026245 Hexagon Head Cap Screw to secure it in place. Proper attachment ensures that the fan operates smoothly and efficiently, contributing to effective engine cooling and preventing overheating.

Support

In various support roles throughout the engine, the 4026245 Hexagon Head Cap Screw is employed to fasten brackets, mounts, and other supporting structures. This ensures that these components remain firmly in place, even under the dynamic conditions of engine operation.

Front Engine

Overall, within the front engine area, the 4026245 Hexagon Head Cap Screw plays a significant role in connecting and securing multiple components. Its reliable fastening capability is essential for the structural integrity and operational efficiency of the front engine section.

Conclusion

The 4026245 Hexagon Head Cap Screw by Cummins is a vital component in the commercial truck industry, offering secure fastening solutions that enhance the durability and reliability of truck components. Its robust construction, resistance to vibration, and ease of installation make it an invaluable part in heavy-duty applications. Regular maintenance and proper installation practices are essential to ensure its longevity and performance.