4933208
Studded Hexagon Cap Screw
Cummins®

The Studded Hexagon Cap Screw, identified by Part #4933208, is a specialized fastener produced by Cummins, a renowned manufacturer in the automotive and heavy-duty truck industry. This screw is integral to the assembly and maintenance of heavy-duty trucks, ensuring secure fastening in various applications. Cummins is recognized for its commitment to quality and innovation in automotive components, making this screw a reliable choice for truck operators and maintenance professionals ¹.

Basic Concepts

A Studded Hexagon Cap Screw is a type of fastener characterized by its hexagonal head and threaded shank, which extends through the components being joined and is secured with a nut on the opposite side. This design allows for efficient tightening and loosening using a wrench or socket, providing a robust connection in mechanical systems. The studded design enhances the screw’s ability to withstand tension and shear forces, making it suitable for demanding applications ².

Purpose and Role in Truck Operation

In heavy-duty truck operations, the Studded Hexagon Cap Screw plays a significant role in securing critical components and assemblies. It is commonly used in engine mounts, transmission housings, and chassis components, where reliable fastening is paramount. The screw’s design ensures that components remain securely attached under the dynamic loads and vibrations experienced during truck operation, contributing to the overall safety and performance of the vehicle ³.

Key Features

The Studded Hexagon Cap Screw boasts several key features that enhance its functionality and reliability. Its hexagonal shape allows for precise tightening with minimal risk of cam-out, ensuring a secure fit. The studded design provides additional strength and stability, while the material composition, typically high-strength steel, offers excellent durability and resistance to corrosion. The threading specifications are tailored to ensure a tight, secure connection that can withstand significant stress.

Benefits

The advantages of using the Studded Hexagon Cap Screw in heavy-duty truck applications are manifold. Its design offers enhanced fastening security, minimizing the risk of loosening under vibration or dynamic loads. The screw’s resistance to corrosion ensures longevity in harsh operating conditions, reducing the need for frequent replacements. Additionally, its durability contributes to the overall reliability and safety of the truck, making it a valuable component in maintenance and repair operations.

Installation and Usage

Proper installation of the Studded Hexagon Cap Screw is crucial for ensuring optimal performance and longevity. It should be installed using the appropriate torque specifications to achieve the desired clamping force without over-tightening, which could lead to damage. Recommended practices include using a torque wrench for accurate tightening and periodically checking the fastener’s tightness during routine maintenance to prevent loosening.

Troubleshooting and Maintenance

Common issues with Studded Hexagon Cap Screws include loosening due to vibration and corrosion, which can compromise the integrity of the fastened components. Regular inspection and maintenance are recommended to identify and address these issues promptly. Maintenance practices such as applying anti-seize compound during installation can help prevent corrosion, while periodic tightening checks can ensure the screw remains securely fastened.

Manufacturer - Cummins

Cummins is a leading manufacturer in the automotive and heavy-duty truck industry, known for its high-quality components and innovative solutions. With a rich history and a strong reputation for reliability and performance, Cummins is committed to producing components that meet the demanding requirements of heavy-duty applications. The company’s dedication to quality and customer satisfaction underscores its position as a trusted provider of automotive parts.

Application of Cummins Part 4933208 in Various Engine Models

The Studded Hexagon Cap Screw, identified by part number 4933208, manufactured by Cummins, is a critical component in several of their engine models. This part plays a pivotal role in ensuring the structural integrity and operational efficiency of the engines. Below is a detailed look at how this screw is utilized across different engine series.

ISX12/ISX11.9 CM2250 Engines

In the ISX12 and ISX11.9 CM2250 engines, the Studded Hexagon Cap Screw is employed in various applications. It is often used to secure critical components, ensuring that they remain tightly fastened under operational stresses. This screw’s design, featuring a studded hexagon head, allows for easy and efficient tightening with standard tools, which is crucial for maintenance and repair operations.

ISZ13 CM2150 Z105 Engines

For the ISZ13 CM2150 Z105 engines, the 4933208 screw is integral to the assembly of several engine parts. Its robust construction and precise fit are essential for maintaining the alignment and stability of components that are subjected to high rotational forces and thermal stresses. The use of this screw in these engines ensures that the engine’s internal components are held securely in place, contributing to the overall reliability and performance of the engine.

QSC8.3 CM850 (CM2850) Engines

In the QSC8.3 CM850 (CM2850) engines, the Studded Hexagon Cap Screw is utilized in a variety of applications, including securing engine covers and other critical housings. The screw’s design allows for a secure and leak-proof connection, which is vital for maintaining the engine’s operational integrity. Its use in these engines ensures that the engine’s components are held firmly together, preventing any potential for loosening or misalignment over time.

QSZ13 CM2150 Z101 and QSZ13 CM2150 Z102 Engines

In both the QSZ13 CM2150 Z101 and QSZ13 CM2150 Z102 engines, the 4933208 screw is used to secure various components that are critical to the engine’s operation. The screw’s studded hexagon head provides a strong grip, making it easier to install and remove during maintenance procedures. Its application in these engines ensures that the engine’s components remain securely fastened, contributing to the engine’s overall durability and performance.

The consistent use of the Studded Hexagon Cap Screw across these engine models highlights its importance in maintaining the structural integrity and operational efficiency of Cummins engines. Its design and material properties make it an ideal choice for securing components that are subjected to significant mechanical and thermal stresses.

Role of Part 4933208 Studded Hexagon Cap Screw in Engine Systems

In the intricate assembly of engine systems, the 4933208 Studded Hexagon Cap Screw serves as a fundamental fastening component. It is integral in securing various engine components, ensuring they remain firmly in place under operational conditions.

Harness Assembly

Within the harness assembly, the 4933208 screw is utilized to fasten wiring harnesses to the chassis or other structural elements. This securement is vital for maintaining the integrity of the electrical connections, preventing any potential short circuits or disconnections that could arise from vibrations or movement.

Electronic Control Module (ECM) Wiring

For the ECM wiring, the 4933208 screw plays a role in attaching the wiring to the ECM itself or to mounting brackets. This ensures that the sensitive electronic components are held securely, reducing the risk of damage from mechanical stress or environmental factors.

Module Attachment

When it comes to module attachment, the 4933208 screw is often employed to fasten various modules—such as sensors or control units—to the engine block or other parts of the engine system. This secure attachment is essential for the accurate functioning of these modules, as any movement could lead to incorrect readings or malfunctions.

Engine Control Integration

In the engine control system, the 4933208 screw is used to integrate different control components, ensuring they are held in the correct position. This is particularly important for components that require precise alignment or spacing to function correctly, such as fuel injectors or ignition components.

Overall, the 4933208 Studded Hexagon Cap Screw is a key element in the reliable operation of engine systems, providing the necessary securement for a variety of critical components.

Conclusion

The Studded Hexagon Cap Screw, part number 4933208, is a critical component in the automotive and heavy-duty truck industry, particularly in Cummins engines. Its robust design, resistance to corrosion, and ease of installation make it an essential fastener for securing critical components in various engine systems. Proper installation and maintenance practices are crucial for ensuring the longevity and reliability of this part, contributing to the overall performance and safety of heavy-duty trucks.