4900328
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4900328, is a specialized fastener utilized in commercial trucks. Manufactured by Cummins, a reputable name in the automotive industry, this screw is designed to meet the rigorous demands of heavy-duty applications. Its role in ensuring the structural integrity and performance of commercial trucks is significant, making it a vital component in the industry.

Basic Concepts

Hexagon Flange Head Cap Screws are characterized by their hexagonal head and flange, which provide enhanced grip and stability during installation. These screws are commonly used in the automotive industry for applications requiring secure fastening, such as attaching components to engine blocks, transmission housings, and chassis frames. The design of these screws allows for efficient torque application and resistance to loosening, which is crucial in dynamic environments like those encountered in commercial trucking ¹.

Purpose and Role in Truck Operation

The 4900328 Hexagon Flange Head Cap Screw serves a specific purpose in the operation of commercial trucks. It is used to fasten critical components that are subject to significant stress and vibration. By securely holding these parts in place, the screw contributes to the overall functionality and performance of the vehicle. Its design ensures that components remain firmly attached, reducing the risk of failure and enhancing the reliability of the truck.

Key Features

The 4900328 Hexagon Flange Head Cap Screw boasts several key features that set it apart from other fasteners. Its hexagonal flange head design provides a larger surface area for torque application, making installation more efficient and secure. The screw is composed of high-quality materials, typically alloy steel, which offers superior strength and durability. Additionally, the screw may feature a zinc-plated or blackened finish to enhance corrosion resistance, ensuring longevity in various operating conditions.

Benefits

The advantages of using the 4900328 Hexagon Flange Head Cap Screw in commercial truck applications are numerous. Its enhanced durability and corrosion resistance contribute to improved performance and reliability. The screw’s design also facilitates ease of installation, reducing maintenance time and labor costs. Furthermore, its robust construction ensures that it can withstand the high stresses and vibrations associated with heavy-duty truck operations, providing long-term value to fleet operators.

Troubleshooting and Maintenance

To ensure optimal performance and longevity of the 4900328 Hexagon Flange Head Cap Screw, it is important to address common issues such as loosening or corrosion. Regular inspections should be conducted to check for signs of wear or damage. Proper torque settings should be applied during installation to prevent over-tightening, which can lead to screw failure, or under-tightening, which can result in loosening. Additionally, applying a thread locker can help maintain the screw’s position and prevent loosening over time.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its commitment to quality and innovation. With a rich history of producing reliable components, Cummins has earned a reputation for excellence. The company’s dedication to advancing technology and maintaining high standards is evident in its range of products, including fasteners like the 4900328 Hexagon Flange Head Cap Screw. Cummins’ role as a trusted manufacturer ensures that fleet operators can rely on the performance and durability of their components.

Cummins Hexagon Flange Head Cap Screw 4900328 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw, part number 4900328, is a critical component in the assembly and maintenance of several engine models. This screw is designed to provide secure fastening in high-stress environments, ensuring the integrity and reliability of the engine’s structure.

A1400 and A1700 Engines

In the A1400 and A1700 engines, the 4900328 screw is utilized in various applications where robust fastening is required. These engines, known for their efficiency and durability, benefit from the screw’s ability to maintain tight connections under operational stresses. The screw’s design ensures that critical components remain securely fastened, contributing to the overall performance and longevity of the engine.

A2000 and A2300 Engines

For the A2000 and A2300 engines, the 4900328 screw plays a similar role in securing key engine components. These engines, which are part of a series recognized for their power and reliability, depend on the screw’s strength and precision. The screw’s flange head provides a large bearing surface, which is essential for distributing loads evenly and preventing damage to the engine’s structure.

Common Applications

Across the A1400, A1700, A2000, and A2300 engines, the 4900328 screw is commonly used in applications such as:

• Cylinder Head Bolting: Ensuring the cylinder heads are tightly sealed to prevent leaks and maintain compression.
• Engine Block Assembly: Securing various engine blocks and components together, maintaining the engine’s structural integrity.
• Mounting Brackets: Attaching mounting brackets to the engine, which are crucial for the engine’s stability and alignment within the vehicle.

The use of the 4900328 screw in these engines underscores its importance in maintaining the high standards of performance and reliability that Cummins engines are known for.

Role of Part 4900328 Hexagon Flange Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 4900328 Hexagon Flange Head Cap Screw plays a significant role in ensuring the secure attachment and alignment of various components. This screw is commonly used in fastening the cover to the engine block, providing a tight seal that prevents oil leaks and ensures the integrity of the engine’s internal environment.

When it comes to the front gear and front gear cover, the Hexagon Flange Head Cap Screw is instrumental in maintaining the precise alignment and secure fit of these components. The front gear, which is often part of the timing mechanism, requires exact positioning to ensure the engine operates smoothly and efficiently. The screw’s flange head design offers additional surface area for torque application, reducing the risk of stripping and ensuring a robust connection.

In the assembly of the oil pan and pan, the 4900328 screw is utilized to fasten the oil pan to the engine block. This connection is vital for containing the engine oil, which is essential for lubrication and cooling. The flange head of the screw provides a larger contact area, enhancing the seal and preventing oil from seeping out, thus maintaining the engine’s lubrication system’s effectiveness.

Additionally, the screw is often used in securing the oil passages and gaskets within the engine block. This ensures that oil flows correctly through the engine, reaching all necessary components for lubrication and cooling. The reliable fastening provided by the Hexagon Flange Head Cap Screw is key to the overall performance and longevity of the engine system.

Conclusion

The 4900328 Hexagon Flange Head Cap Screw is a critical component in the automotive industry, particularly in the assembly and maintenance of commercial trucks and engines. Its robust design, high-quality materials, and enhanced features make it an essential fastener for ensuring the structural integrity and performance of heavy-duty applications. Regular maintenance and proper installation practices are crucial for maximizing the screw’s longevity and effectiveness in demanding environments.