4900753
Hexagon Head Cap Screw
Cummins®

The Cummins Hexagon Head Cap Screw, part number 4900753, is a critical component in commercial truck maintenance and operation. This screw ensures the secure assembly of various truck components, contributing to the vehicle’s reliability and performance.

Basic Concepts of Hexagon Head Cap Screws

Hexagon Head Cap Screws are fasteners with a hexagonal head, designed for efficient tightening and loosening using a wrench or socket. These screws provide a strong, threaded connection between components, distributing load and preventing movement. They are typically made from materials like steel, stainless steel, or alloy, chosen for their strength, corrosion resistance, and durability ¹.

Role of the 4900753 Hexagon Head Cap Screw in Truck Operation

This Cummins part plays a specific role in commercial truck operation by securing critical components and systems. It is used in applications requiring high strength and resistance to vibration, such as the engine compartment, transmission housing, and chassis assembly. Its function ensures that parts remain firmly in place, contributing to the truck’s structural integrity and operational efficiency ².

Key Features of the 4900753 Hexagon Head Cap Screw

The 4900753 features a robust design with precise threading that enhances its grip and load-bearing capacity. Its hexagonal head provides a larger contact area for tools, facilitating easier and more secure installation. Additionally, the screw may include a corrosion-resistant coating, which extends its lifespan in harsh operating environments ³.

Benefits of Using the 4900753 Hexagon Head Cap Screw

Using this part offers several benefits, including enhanced durability, resistance to loosening under vibration, and ease of installation. These attributes contribute to the overall performance and maintenance of the truck by ensuring that critical components remain securely fastened, reducing the risk of failure and extending the intervals between required maintenance checks.

Installation and Usage Guidelines

Proper installation of the 4900753 involves several steps to ensure a secure and effective fit. Begin by cleaning the mating surfaces to remove any debris or corrosion. Use the appropriate wrench or socket to tighten the screw to the specified torque, ensuring even distribution of force. It is recommended to use a torque wrench for precision and to avoid over-tightening, which could damage the screw or the components being fastened.

Troubleshooting Common Issues

Common issues with this part may include loosening due to vibration or corrosion over time. To address these problems, regularly inspect the screw for signs of wear or damage. If loosening is detected, re-tighten the screw to the recommended torque specification. In cases of corrosion, consider replacing the screw with a new one to maintain the integrity of the connection.

Maintenance Tips

To ensure the longevity and performance of the 4900753, regular maintenance is recommended. Inspect the screw during routine checks for any signs of wear, corrosion, or loosening. Clean the screw and mating surfaces as needed to prevent buildup that could affect its function. Replacement should be considered if significant wear or damage is observed, or if the screw no longer meets the required torque specifications.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves commercial truck, bus, construction, agricultural, and power generation markets. The company is renowned for its commitment to producing reliable and high-performance components, ensuring that commercial vehicles operate efficiently and dependably.

Cummins Engine Part 4900753: Hexagon Head Cap Screw

The Cummins part 4900753, a Hexagon Head Cap Screw, is a critical component in the assembly and maintenance of several Cummins engine models. This part is designed to provide secure fastening in various engine applications, ensuring that components remain tightly secured under operational stresses.

Application in Cummins Engines

A1400 and A1700 Engines

In the A1400 and A1700 engines, the Hexagon Head Cap Screw is utilized in several key areas. These engines, known for their reliability and efficiency, often require robust fastening solutions to maintain the integrity of their components. The part 4900753 is typically used in securing engine mounts, attaching various brackets, and fastening components within the engine’s internal structure. Its design ensures that these parts remain securely in place, contributing to the overall performance and longevity of the engine.

A2000 and A2300 Engines

For the A2000 and A2300 engines, the Hexagon Head Cap Screw is equally essential. These engines, which are part of Cummins’ higher power output range, demand high-strength fastening solutions to handle increased operational stresses. The part 4900753 is employed in securing larger and more complex components, such as engine blocks, cylinder heads, and other heavy-duty parts. Its precision engineering and robust construction make it ideal for these demanding applications, ensuring that all parts remain securely fastened and aligned.

Importance of the Hexagon Head Cap Screw

The Hexagon Head Cap Screw is a vital component in the assembly and maintenance of Cummins engines. Its design allows for easy installation and removal, which is crucial during routine maintenance and repairs. The screw’s hexagonal head provides a secure grip for wrenches and sockets, facilitating efficient tightening and loosening. Additionally, the material and finish of the screw are engineered to resist corrosion and wear, ensuring long-term durability and reliability.

By using the Hexagon Head Cap Screw in their engines, Cummins ensures that each component is securely fastened, contributing to the overall performance, safety, and longevity of the engine.

Role of Part 4900753 Hexagon Head Cap Screw in Plumbing and Turbocharger Systems

Plumbing Systems

In plumbing systems, the 4900753 is commonly used to secure various components, ensuring a tight and reliable connection. It is often employed in the assembly of pipe fittings, valves, and fixtures. The screw’s hexagonal head allows for easy and secure tightening using a wrench or socket, which is essential for maintaining the integrity of the plumbing system. This part helps prevent leaks by ensuring that connections remain snug under varying pressure conditions, contributing to the overall efficiency and safety of the plumbing setup.

Turbocharger Systems

Within turbocharger systems, the 4900753 plays a significant role in securing the turbocharger to the engine and exhaust manifold. It is used to fasten the turbocharger housing, ensuring that it remains firmly attached during operation. The screw’s design allows it to withstand high temperatures and pressures, which are common in turbocharger environments. Additionally, it helps maintain the alignment of the turbocharger components, which is vital for optimal performance and efficiency. The secure attachment provided by this screw ensures that the turbocharger operates smoothly, contributing to enhanced engine performance and reliability.

Conclusion

The Cummins Hexagon Head Cap Screw, part number 4900753, is an essential component in the maintenance and operation of commercial trucks, Cummins engines, plumbing systems, and turbocharger systems. Its robust design, ease of installation, and resistance to corrosion and vibration make it a reliable choice for securing critical components. Regular maintenance and proper installation are key to ensuring the longevity and performance of this part, contributing to the overall efficiency and safety of the systems it supports.