4900485
Hexagon Flange Head Cap Screw
Cummins®

The 4900485 Hex Flanged Head Cap Screw is a specialized fastener produced by Cummins, a well-known manufacturer in the automotive and heavy-duty truck industries. This screw is designed for use in commercial trucks, where it plays a significant role in the assembly and maintenance of various components. Cummins is recognized for its commitment to quality and innovation, ensuring that their products meet the rigorous demands of the trucking industry ¹.

Basic Concepts of Hex Flanged Head Cap Screws

A Hex Flanged Head Cap Screw is a type of fastener characterized by a hexagonal head and a flanged base. The hexagonal head allows for efficient tightening and loosening using a wrench or socket, while the flanged base provides a larger bearing surface that helps distribute the load and prevent the screw from pulling through the material. These screws are commonly used in applications where a secure and durable fastening solution is required ².

Purpose and Role in Truck Operation

In the context of commercial trucks, the 4900485 Hex Flanged Head Cap Screw serves a specific purpose in the assembly and maintenance of truck components. It is used to fasten parts that require a strong, vibration-resistant connection. The screw’s design ensures that it can withstand the dynamic loads and environmental conditions encountered in truck operations, contributing to the overall reliability and safety of the vehicle ³.

Key Features

The 4900485 Hex Flanged Head Cap Screw features a hex-shaped head that facilitates easy installation and removal using standard tools. The flanged design of the screw provides an increased bearing surface, which helps distribute the clamping force more evenly and reduces the risk of the screw pulling through the material. Additionally, the screw is made from high-quality materials that offer excellent resistance to corrosion and wear, enhancing its performance and reliability in demanding applications.

Benefits

Using the 4900485 Hex Flanged Head Cap Screw offers several benefits. The screw’s design provides improved fastening security, making it less likely to loosen over time due to vibration or other dynamic forces. Its ease of installation and removal simplifies maintenance procedures, reducing downtime and labor costs. Furthermore, the screw’s resistance to corrosion and wear ensures a longer service life, contributing to the overall durability of the truck’s components.

Installation and Usage

Proper installation of the 4900485 Hex Flanged Head Cap Screw is crucial for ensuring a secure and lasting fastening. It is recommended to use the appropriate torque specifications provided by the manufacturer to achieve the correct clamping force without over-tightening, which could damage the screw or the surrounding material. Using the right tools, such as a torque wrench, ensures that the screw is installed to the manufacturer’s specifications, promoting a reliable connection.

Troubleshooting and Maintenance

Common issues with Hex Flanged Head Cap Screws may include loosening due to vibration, corrosion, or wear. Regular inspection and maintenance can help identify and address these issues before they lead to more significant problems. If a screw shows signs of corrosion or wear, it should be replaced to maintain the integrity of the fastening. Additionally, ensuring that all screws are properly torqued during installation can prevent loosening and extend the lifespan of the fastener.

Cummins: Manufacturer Overview

Cummins is a reputable manufacturer with a long history of producing high-quality automotive and heavy-duty truck components. The company is known for its commitment to innovation and excellence, consistently delivering products that meet the demanding requirements of the industry. Cummins’ reputation for quality and reliability makes them a trusted choice for truck manufacturers and fleet operators alike.

Hex Flanged Head Cap Screw (Part 4900485) in Cummins Engines

The Hex Flanged Head Cap Screw, identified by the part number 4900485, is a critical component in several Cummins engine models. This screw is integral to the assembly and maintenance of the engines, ensuring secure fastening and stability.

A1400 and A1700 Engines

In the A1400 and A1700 engines, the Hex Flanged Head Cap Screw is used in various applications where a robust and reliable fastening solution is required. These engines, known for their efficiency and durability, benefit from the precision and strength provided by this screw. The screw’s design allows for easy installation and removal, facilitating maintenance and repair processes.

A2000 and A2300 Engines

The A2000 and A2300 engines also incorporate the Hex Flanged Head Cap Screw in their construction. These engines, which are part of Cummins’ higher power output range, rely on the screw’s ability to withstand high stress and pressure. The screw’s flanged head provides a larger surface area for torque application, enhancing the fastening process and ensuring that components remain securely in place under demanding conditions.

Common Applications

Across the A1400, A1700, A2000, and A2300 engines, the Hex Flanged Head Cap Screw is utilized in several key areas:

• Cylinder Head Fastening: Ensuring the cylinder heads are tightly secured to prevent leaks and maintain compression.
• Engine Block Assembly: Providing a reliable connection between various engine components, contributing to the overall structural integrity.
• Turbocharger Mounting: Securing turbochargers to the engine, which is crucial for maintaining performance and efficiency.

The use of the Hex Flanged Head Cap Screw in these engines underscores its importance in maintaining the reliability and performance of Cummins’ engine lineup.

Role of Part 4900485 Hex Flanged Head Cap Screw in Engine Systems

The part 4900485 Hex Flanged Head Cap Screw is integral to the assembly and maintenance of various engine components. Its design allows for secure fastening, which is essential for the reliable operation of engine systems.

Fuel Filter Assembly

In the fuel filter assembly, the Hex Flanged Head Cap Screw ensures that the filter housing is tightly sealed. This seal is vital for maintaining the integrity of the fuel system, preventing leaks, and ensuring that the fuel delivered to the engine is clean and free from contaminants. The screw’s flanged head provides additional surface area for a more robust connection, reducing the risk of loosening over time due to engine vibrations.

Lubricating Oil Filter

Similarly, in the lubricating oil filter system, this screw plays a key role in securing the filter housing. Proper sealing is essential here to maintain the effectiveness of the oil filtration process. The Hex Flanged Head Cap Screw helps in creating a leak-proof environment, ensuring that the oil circulating within the engine remains clean and adequately filtered, which is fundamental for engine longevity and performance.

Front Gear Cover

The front gear cover of an engine is another area where the Hex Flanged Head Cap Screw is employed. This cover protects the internal components of the engine, such as gears and shafts, from external contaminants. The screw ensures that the cover is firmly attached, providing a barrier against dirt, dust, and other particles that could otherwise enter the engine and cause damage. Additionally, it helps in maintaining the structural integrity of the engine’s front section, contributing to overall engine stability and efficiency.

Conclusion

The 4900485 Hex Flanged Head Cap Screw is a vital component in the assembly and maintenance of commercial truck engines, particularly in Cummins’ engine lineup. Its design and features make it an ideal choice for applications requiring secure, durable, and vibration-resistant fastening solutions. Proper installation and maintenance of this screw are crucial for ensuring the reliability and performance of the engine systems it supports.