4900835
Hexagon Head Cap Screw
Cummins®

The 4900835 Hexagon Head Cap Screw, manufactured by Cummins, is a specialized fastener designed for use in commercial truck applications. Cummins, a well-established name in the commercial truck industry, produces this screw to meet the demanding requirements of truck operations. This screw is significant for its role in ensuring secure and reliable fastening in various truck assemblies.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. The design of the cap screw includes a threaded shaft that engages with the internal threads of a nut or a tapped hole, providing a strong and secure connection. Cap screws are widely used across various industries for their versatility and strength in fastening applications ¹.

Purpose of the 4900835 Hexagon Head Cap Screw in Truck Operations

The 4900835 Hexagon Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is utilized in truck assemblies where secure fastening is required to withstand the rigors of heavy-duty use. This screw is applied in critical areas such as engine components, chassis parts, and other structural elements where reliability and durability are paramount ².

Key Features

The 4900835 Hexagon Head Cap Screw features a hexagonal head design that facilitates easy installation and removal using standard tools. It is composed of high-quality materials that offer excellent strength and corrosion resistance. The screw’s threading is designed to provide a secure grip, ensuring that fastened components remain firmly in place. Additionally, it may possess unique attributes such as a coated surface to enhance performance and reliability in harsh operating conditions.

Benefits

Using the 4900835 Hexagon Head Cap Screw offers several benefits. It provides improved fastening strength, ensuring that components remain securely attached under heavy loads and vibrations. The screw’s design allows for ease of installation and removal, reducing maintenance time. Its resistance to loosening helps maintain secure connections over time. Furthermore, the screw’s durability in harsh operating conditions ensures long-lasting performance, contributing to the overall reliability of truck assemblies.

Installation and Usage Guidelines

Proper installation of the 4900835 Hexagon Head Cap Screw is crucial for optimal performance and longevity. It is recommended to follow torque specifications provided by the manufacturer to ensure the screw is tightened to the correct level without over-tightening, which could lead to damage. Using the appropriate tools, such as a wrench or socket, ensures that the screw is installed and removed efficiently. Best practices include inspecting the screw and mating threads for damage before installation and ensuring that the fastened components are properly aligned.

Troubleshooting and Maintenance

Common issues with the 4900835 Hexagon Head Cap Screw may include loosening, corrosion, or damage. To troubleshoot these issues, regularly inspect the screw and surrounding components for signs of wear or corrosion. If loosening is detected, re-tighten the screw to the specified torque. In cases of corrosion, cleaning the affected area and applying a corrosion-resistant coating may help. For damaged screws, replacement with a new screw is recommended to maintain secure fastening. Regular maintenance, including inspection and re-tightening as needed, will prolong the screw’s service life and ensure continued reliable operation.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality, innovation, and customer satisfaction. With a rich history of producing reliable and high-performance products, Cummins offers a wide range of components and systems designed to meet the needs of commercial truck operators. The company’s reputation is built on its dedication to delivering durable and efficient solutions that enhance the performance and reliability of commercial vehicles.

Cummins Engine Part 4900835: Hexagon Head Cap Screw

The Cummins part number 4900835, a Hexagon Head Cap Screw, is a critical component in the assembly and maintenance of several Cummins engines. This part is integral to the structural integrity and operational efficiency of the engines, ensuring that various parts are securely fastened together.

Application in Engine Families

A1400 and A1700 Engines

The Hexagon Head Cap Screw (4900835) is utilized in both the A1400 and A1700 engine families. These engines, known for their reliability and performance, require precise fastening to maintain operational standards. The screw is typically used in areas where high torque and secure fastening are crucial, such as in the engine block, cylinder heads, and other critical assemblies.

A2000 and A2300 Engines

Similarly, the A2000 and A2300 engines also incorporate the Hexagon Head Cap Screw (4900835) in their design. These engines, which are part of the larger Cummins engine lineup, benefit from the robust nature of this screw. It is used extensively in the assembly of engine components, ensuring that all parts are tightly secured and aligned correctly. This is particularly important in the high-stress environments these engines operate in.

Importance of the Hexagon Head Cap Screw

The Hexagon Head Cap Screw (4900835) is chosen for its ability to provide a strong and reliable fastening solution. The hexagonal head allows for easy and efficient tightening and loosening with a wrench or socket, which is essential during both the assembly and maintenance processes. Its design ensures that it can withstand the operational stresses and vibrations inherent in engine environments, contributing to the longevity and reliability of the engines.

Grouping by Usage

In the A1400 and A1700 engines, the Hexagon Head Cap Screw (4900835) is often used in the following areas:

• Engine Block Assembly: Ensuring that the block remains intact under high pressure and stress.
• Cylinder Head Fastening: Securing the cylinder heads to the engine block, which is vital for maintaining proper sealing and performance.
• Accessory Drive Components: Attaching various pulleys and tensioners that are crucial for the engine’s ancillary systems.

For the A2000 and A2300 engines, the screw is similarly employed in:

• Turbocharger Mounting: Ensuring that the turbocharger is securely attached to the engine, which is critical for maintaining boost pressure and efficiency.
• Intake and Exhaust Manifolds: Securing these components to the engine block, which is essential for proper airflow and exhaust management.
• Oil Pan Fastening: Attaching the oil pan to the engine block, which is crucial for maintaining the oil system’s integrity.

By using the Hexagon Head Cap Screw (4900835) in these applications, Cummins ensures that the engines operate smoothly and reliably, with all components securely fastened and aligned.

Role of Part 4900835 Hexagon Head Cap Screw in Engine Systems

The part 4900835 Hexagon Head Cap Screw is instrumental in securing various components within engine systems, ensuring stability and proper function.

In the context of the oil pan, this screw is often used to attach the pan to the engine block. Its hexagonal head allows for firm and precise tightening, which is essential for maintaining a secure seal. This seal prevents oil leaks, which could lead to decreased lubrication efficiency and potential engine damage.

Similarly, when dealing with a pan that serves as a reservoir or cover for other engine components, the 4900835 screw ensures that the pan remains firmly in place. This is particularly important in high-vibration environments typical of engine operation, where loose components can lead to misalignment or damage.

For the oil system as a whole, the secure attachment of components like the oil pan is vital. The 4900835 screw helps maintain the integrity of the oil pathways, ensuring that oil is efficiently circulated throughout the engine. This circulation is key to lubricating moving parts, cooling the engine, and carrying away contaminants.

Conclusion

In summary, the 4900835 Hexagon Head Cap Screw plays a significant role in the assembly and functionality of engine components, particularly those related to the oil system. Its reliable performance under stress and vibration makes it a preferred choice for these applications.