4900444
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by Part #4900444, is a component manufactured by Cummins, a well-established name in the automotive industry. This screw is significant in the context of commercial trucks, where it contributes to the structural integrity and operational efficiency of various truck assemblies. Cummins, known for its commitment to quality and innovation, produces this screw to meet the demanding requirements of heavy-duty applications ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient torque application using standard tools, while the flange provides a larger bearing surface that helps distribute loads more evenly. In a truck’s assembly, this screw serves to secure components together, ensuring they remain firmly in place under various operational stresses ².

Purpose and Role in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various truck components where secure fastening is required. This includes, but is not limited to, engine mounts, transmission housings, and chassis components. Its design ensures that these critical parts remain securely attached, contributing to the overall stability and performance of the truck ³.

Key Features

The 4900444 boasts several key features that enhance its functionality and durability. Its hexagonal head design allows for straightforward installation and removal using common tools. The flange beneath the head increases the bearing surface area, which aids in distributing loads more effectively and reducing the risk of component deformation. Additionally, the screw is crafted from high-quality materials that offer resistance to corrosion and wear, ensuring long-term reliability in demanding environments.

Benefits

Using the 4900444 in truck assemblies offers several benefits. The screw’s design contributes to enhanced stability by securely fastening components together. The flange helps in improving load distribution, which is crucial in heavy-duty applications where components are subjected to significant stress. Furthermore, the screw’s resistance to loosening ensures that components remain firmly attached, reducing the need for frequent maintenance and enhancing overall truck performance.

Installation Guidelines

Proper installation of the 4900444 is vital for ensuring its effectiveness. It is recommended to use a torque wrench to apply the specified torque, which ensures that the screw is tightened to the manufacturer’s recommendations without over-tightening. This helps prevent damage to the screw or the components being fastened. Additionally, using the appropriate tools and following the manufacturer’s guidelines will contribute to a secure and lasting installation.

Troubleshooting and Maintenance

Common issues associated with the 4900444 include corrosion, stripping, or loosening. Regular inspections can help identify these problems early. If corrosion is detected, cleaning the affected area and applying a corrosion-resistant coating can help mitigate further damage. In cases of stripping, replacing the screw is typically the best course of action. To prevent loosening, ensuring that the screw is properly torqued during installation and conducting routine checks can help maintain its integrity.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer in the automotive industry, with a history of producing high-quality components for commercial vehicles. The company is known for its commitment to innovation and excellence, which is reflected in its wide range of products, including the 4900444. Cummins’ reputation for quality and reliability makes it a trusted choice for manufacturers and operators of commercial trucks.

Cummins Hexagon Flange Head Cap Screw 4900444 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw part number 4900444 is a critical component in various engine assemblies. This screw is designed to provide secure fastening in high-stress environments, ensuring the integrity and reliability of engine parts.

A1400 and A1700 Engines

In the A1400 and A1700 engines, the 4900444 screw is often utilized in 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 varying operational conditions. The screw’s design ensures that it can withstand the thermal and mechanical stresses inherent in engine operations.

A2000 and A2300 Engines

For the A2000 and A2300 engines, the 4900444 screw plays a pivotal role in securing various engine components. These engines, which are part of a series designed for heavy-duty applications, require reliable fastening solutions to ensure longevity and performance. The screw’s hexagonal flange head provides a large surface area for torque application, making it ideal for the demanding environments these engines operate in.

Grouping of Engines

When considering the A1400 and A1700 engines together, it is evident that the 4900444 screw is a common component in their assemblies. Both engines share similar design philosophies and operational requirements, making this screw a versatile choice for securing parts in these models. Similarly, the A2000 and A2300 engines, which are designed for more robust applications, also benefit from the use of this screw in their construction.

The consistent use of the 4900444 screw across these engines highlights its importance in maintaining the structural integrity and operational efficiency of the engine assemblies.

Role of Part 4900444 Hexagon Flange Head Cap Screw in Engine Systems

The part 4900444 Hexagon Flange Head Cap Screw is integral in ensuring secure and reliable connections within engine systems. Its design and functionality are particularly significant in the following components:

Connection Points

In engine systems, the 4900444 screw is often utilized at various connection points to fasten components securely. These connections are vital for maintaining the structural integrity and operational efficiency of the engine. The flange head of the screw provides a larger surface area, which distributes the clamping force more evenly, reducing the risk of damage to the connected parts. This is especially important in high-stress areas where vibrations and thermal expansion can loosen standard fasteners.

Water Outlet Assembly

The water outlet, a component responsible for directing coolant flow from the engine to the radiator, relies on the 4900444 screw for secure attachment to the engine block or cylinder head. The flange head design ensures a tight seal, preventing coolant leaks that could lead to engine overheating. Additionally, the cap screw’s resistance to corrosion and high temperatures makes it suitable for this application, ensuring long-term reliability in the cooling system.

By employing the 4900444 Hexagon Flange Head Cap Screw in these components, engineers and mechanics can achieve robust and durable connections, enhancing the overall performance and longevity of the engine system.

Conclusion

The 4900444 Hexagon Flange Head Cap Screw is a vital component in the assembly and maintenance of commercial trucks and engines. Its design, featuring a hexagonal head and a flange, ensures secure fastening and effective load distribution, contributing to the structural integrity and operational efficiency of various truck and engine components. Proper installation, regular maintenance, and the use of this screw in critical applications underscore its importance in the automotive industry.