4965093
Hexagon Head Cap Screw
Cummins®

The 4965093 Hexagon Head Cap Screw, manufactured by Cummins, is a specialized fastener designed for use in commercial trucks. This part plays a role in maintaining the integrity of vehicle components by providing reliable fastening solutions. Its applications span various critical areas within truck assemblies, ensuring that parts remain securely attached under demanding operational conditions.

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 internal threads in the mating part, creating a secure connection. In the automotive industry, cap screws are commonly used for their strength and reliability in fastening applications, particularly where high torque and resistance to loosening are required ¹.

Purpose and Role in Truck Operation

The 4965093 Hexagon Head Cap Screw serves a specific purpose in commercial trucks by securing various components that are subject to significant stress and vibration. It contributes to the assembly and maintenance of truck parts by providing a robust fastening solution that ensures components remain firmly in place. This is particularly important in areas such as the engine, transmission, and chassis, where secure fastening is crucial for safe and efficient operation.

Key Features

The 4965093 Hexagon Head Cap Screw boasts several key features that enhance its performance and durability. These include a high-quality material composition, typically a grade of steel that offers excellent strength and corrosion resistance. The screw features a specific thread type designed to provide optimal engagement with mating parts, ensuring a secure fit. The hexagonal head design allows for easy installation and removal using standard tools, contributing to its practicality in maintenance and repair scenarios.

Benefits

Using the 4965093 Hexagon Head Cap Screw offers several benefits. Its design provides improved fastening strength, making it suitable for applications where high torque is required. The screw’s resistance to vibration helps maintain a secure connection over time, reducing the need for frequent re-tightening. Additionally, the ease of installation and removal facilitates quicker maintenance procedures, enhancing overall efficiency.

Installation Guidelines

Proper installation of the 4965093 Hexagon Head Cap Screw involves several steps to ensure a secure and lasting connection. Begin by cleaning the mating surfaces to remove any debris or corrosion. Use a torque wrench to tighten the screw to the specified torque setting, which ensures the correct tension without over-tightening. Recommended tools include a socket wrench compatible with the hexagonal head and a torque wrench for precise application of torque.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening due to vibration and corrosion. To address these, regular inspections should be conducted to check for signs of wear or loosening. If corrosion is detected, cleaning the affected areas and applying a corrosion-resistant coating can help prevent further issues. Ensuring that the screw is tightened to the correct torque specification during installation can also mitigate loosening over time.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and quality, Cummins serves a wide range of industries, including commercial trucking. The company is committed to providing reliable and efficient solutions that meet the demanding needs of its customers, ensuring that their products contribute to the performance and longevity of vehicles ².

Cummins Hexagon Head Cap Screw 4965093 in Engine Applications

The Cummins Hexagon Head Cap Screw part number 4965093 is a critical component in the assembly and maintenance of several Cummins engine models. This screw is designed to provide secure fastening in high-stress environments, ensuring the integrity and reliability of engine assemblies.

QSK95 and CM2350 Engines

In the QSK95 and CM2350 engines, the 4965093 screw is utilized in various applications where robust fastening is essential. These engines, known for their durability and performance, often require components that can withstand significant mechanical stress. The hexagon head cap screw is ideal for these applications due to its strength and ease of use with standard tools.

K113 Engine

The K113 engine also benefits from the use of the 4965093 screw. This engine, part of the Cummins lineup, is designed for heavy-duty applications, and the cap screw plays a vital role in maintaining the structural integrity of its components. The screw’s design ensures that it can handle the rigors of continuous operation in demanding environments.

Grouping of Engines

The QSK95 and CM2350 engines, while distinct in their specific applications, share common design philosophies and engineering principles. The use of the 4965093 screw in both engines highlights its versatility and effectiveness across different engine types within the Cummins portfolio. Similarly, the K113 engine, with its focus on heavy-duty performance, also relies on this screw to ensure reliable and secure fastening in critical areas.

Role of Part 4965093 Hexagon Head Cap Screw in Aftertreatment Systems

In the realm of modern engine systems, the integration of aftertreatment devices is paramount for meeting stringent emissions regulations. The part 4965093 Hexagon Head Cap Screw plays a significant role in securing and maintaining the integrity of various components within these systems.

Aftertreatment Device Assembly

The aftertreatment device, often a complex assembly of multiple components, relies on precise fastening to ensure optimal performance and durability. The 4965093 screw is utilized to secure critical components such as catalytic converters, diesel particulate filters (DPFs), and selective catalytic reduction (SCR) systems. Its robust design ensures that these components remain firmly in place, even under the harsh conditions of engine operation.

Aftertreatment System Integration

Within the aftertreatment system, the 4965093 screw is employed to fasten the aftertreatment device to the top-level assembly. This connection is vital for maintaining the structural integrity of the system, allowing for efficient flow of exhaust gases through the various treatment stages. The screw’s hexagonal head provides a secure grip for tools, facilitating easy installation and removal during maintenance procedures.

Water Transfer Tube Securing

In systems that incorporate water transfer tubes for cooling or other purposes, the 4965093 screw is used to secure these tubes to the aftertreatment device. This ensures that the tubes remain in the correct position, preventing leaks and ensuring efficient operation of the aftertreatment system. The screw’s corrosion-resistant properties are particularly beneficial in this application, where exposure to moisture and chemicals is common.

Overall System Reliability

The consistent use of the 4965093 Hexagon Head Cap Screw across various components within the aftertreatment system contributes to the overall reliability and performance of the engine. By providing a secure and durable fastening solution, this screw helps to maintain the precise alignment and functionality of aftertreatment components, ultimately supporting the engine’s compliance with emissions standards and enhancing its operational efficiency.

Conclusion

The 4965093 Hexagon Head Cap Screw is a critical component in the assembly and maintenance of commercial trucks and Cummins engines. Its robust design, ease of use, and resistance to corrosion and vibration make it an ideal choice for securing various components under demanding operational conditions. Proper installation and maintenance of this part ensure the reliability and efficiency of truck and engine systems, contributing to the overall performance and longevity of these vehicles.