3093771
Hexagon Head Cap Screw
Cummins®

The 3093771 Hexagon Head Cap Screw is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is designed for use in various applications within commercial trucks, contributing to the secure assembly and maintenance of truck components.

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. These screws are commonly used in mechanical assemblies to secure components together. They function by threading into a pre-drilled hole, creating a strong and reliable connection between parts ¹.

Purpose of the 3093771 Hexagon Head Cap Screw in Truck Operation

This Cummins part plays a role in the operation and maintenance of commercial trucks by securing various components. Its application areas include engine assemblies, chassis parts, and other critical truck systems. The screw’s functional importance lies in its ability to provide a secure and durable connection, ensuring the integrity and performance of the truck’s mechanical systems ².

Key Features

The 3093771 features a robust material composition, typically high-strength steel, which contributes to its durability and resistance to wear. Its thread type is designed to offer a strong grip, preventing loosening under vibration and stress. The hexagonal head design allows for easy and efficient tightening and loosening, enhancing its practicality in truck maintenance and repair scenarios ³.

Benefits

Using this Cummins part offers several benefits. It provides enhanced security for fastened components, ensuring they remain firmly in place under operational conditions. Its design resists loosening, reducing the need for frequent re-tightening. Additionally, the screw’s ease of installation and removal simplifies maintenance procedures, saving time and effort.

Installation and Usage

For proper installation of the 3093771, it is recommended to use the appropriate tools, such as a torque wrench, to achieve the correct tightening specification. This ensures a secure fastening that meets the manufacturer’s guidelines for strength and durability. Careful alignment and threading are also important to prevent damage to the screw or the components being fastened.

Troubleshooting and Maintenance

Common issues with the 3093771, such as loosening or corrosion, can often be addressed through regular inspection and maintenance. Ensuring the screw is tightened to the correct specification and protecting it from environmental factors can help prolong its service life. In cases of corrosion, cleaning and reapplying a protective coating may be necessary.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. Its product range includes a variety of components and systems designed to enhance the performance, efficiency, and reliability of commercial vehicles.

Cummins Engine Hexagon Head Cap Screw 3093771

The Cummins engine part 3093771, a Hexagon Head Cap Screw, is a critical component in the assembly and maintenance of several Cummins engine models. This part is integral to ensuring the structural integrity and operational efficiency of the engines.

QSK60 G CM2358 K110 and QSK78 CM500

In the QSK60 G CM2358 K110 and QSK78 CM500 engines, the Hexagon Head Cap Screw 3093771 is utilized in various applications where secure fastening is required. These engines, known for their robust performance, rely on this screw to maintain the alignment and stability of critical components. The precision and strength of the screw ensure that the engine parts remain tightly secured under high operational stresses.

QST30 CM2350 T101 and QST30 CM552

For the QST30 CM2350 T101 and QST30 CM552 engines, the Hexagon Head Cap Screw 3093771 plays a similar role. These engines, designed for different applications, also benefit from the reliable fastening provided by this screw. It is used in areas where consistent and reliable fastening is essential to prevent loosening and maintain the operational integrity of the engine.

The use of the Hexagon Head Cap Screw 3093771 across these engines highlights its versatility and importance in Cummins’ engine designs. This screw is a testament to Cummins’ commitment to quality and durability in their engine components.

Role of Part 3093771 Hexagon Head Cap Screw in Engine Systems

The part 3093771 Hexagon Head Cap Screw is instrumental in securing and maintaining the integrity of various components within engine systems. Its applications span across multiple critical areas, ensuring the reliable operation of the engine.

Securing the Thermostat Housing

In the thermostat housing, the Hexagon Head Cap Screw plays a significant role in maintaining a secure fit. This ensures that the thermostat operates within its designed parameters, regulating coolant flow and maintaining optimal engine temperature.

Breather and Crankcase Assembly

Within the breather and crankcase arrangement, the screw is used to fasten components that allow for the release of pressure and contaminants from the crankcase. This helps in maintaining clean oil and efficient engine performance.

Drive and Fan Components

The screw is also employed in the drive and fan components to ensure that these parts remain firmly in place. This is essential for the proper functioning of the cooling system, which relies on the fan to dissipate heat from the engine.

Flywheel Housing and Flywheel

In the flywheel housing and flywheel, the Hexagon Head Cap Screw secures the components that are vital for the transmission of power from the engine to the drivetrain. This ensures smooth and consistent power delivery.

Idler Pulley and Lever Mechanisms

For idler pulleys and lever mechanisms, the screw provides the necessary tension and stability. This is important for the proper operation of belt-driven systems, such as those used for alternators and water pumps.

Mounting the Alternator

The alternator mounting process utilizes the Hexagon Head Cap Screw to ensure a stable and vibration-resistant connection. This is vital for the consistent generation of electrical power needed to operate the vehicle’s electrical systems.

Plumbing and Aftercooler Water Systems

In plumbing and aftercooler water systems, the screw is used to secure fittings and connections. This ensures that there are no leaks and that the cooling system operates efficiently, protecting the engine from overheating.

Product Installation and Package Integrity

During product installation, the Hexagon Head Cap Screw ensures that all components are correctly and securely fastened. This contributes to the overall integrity and performance of the engine system, providing reliability and durability in operation.

Conclusion

The 3093771 Hexagon Head Cap Screw is a vital component in the maintenance and operation of Cummins engines and commercial trucks. Its robust design, ease of use, and critical role in securing various engine components make it an indispensable part of Cummins’ engine systems. Regular maintenance and proper installation are key to ensuring the longevity and reliability of this screw in demanding operational environments.