2874751
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 2874751, is a specialized fastener produced by Cummins. This article provides an in-depth look at the design, function, and application of this component within commercial trucks.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by a hexagonal head and a flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area to distribute load and prevent the screw from sinking into the material ¹.

Function and Application

This Cummins part is utilized in various applications within commercial trucks. It plays a role in securing components that require a combination of strong fastening and load distribution. Common uses include attaching brackets, panels, and other structural elements.

Key Features

• Hexagonal head for easy tool engagement.
• Flanged base to distribute load and provide additional stability.
• Manufactured from high-strength materials to ensure durability under heavy-duty conditions.
• Designed for specific applications within Cummins engines and related systems.

Benefits

The design of the 2874751 offers several advantages, including enhanced load distribution, improved fastening security, and ease of installation and removal using standard hexagonal tools. Its robust construction ensures reliability in demanding truck environments.

Troubleshooting and Maintenance

Regular inspection of Hexagon Flange Head Cap Screws is recommended to ensure they remain secure and free of corrosion. Signs of wear, such as stripped heads or flange deformation, should be addressed promptly to prevent failure. Maintenance practices should include torque checks to ensure screws are tightened to the manufacturer’s specifications.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a commitment to innovation and quality, Cummins serves commercial truck, bus, construction, agricultural, and power generation markets worldwide ².

Cummins Engine Compatibility with Part 2874751

This part is designed to fit seamlessly within various engine models. It is integral to the assembly and maintenance of the following Cummins engines:

ISB6.7 G CM2180 B118

In the ISB6.7 G CM2180 B118 engine, the 2874751 screw is utilized in several critical applications. It is often employed in securing components that require a robust and reliable fastening solution. The screw’s design ensures that it can withstand the operational stresses and environmental conditions typical of this engine model.

QSB6.7 M CM2250

The QSB6.7 M CM2250 engine also benefits from the use of the 2874751 screw. This part is particularly useful in applications where precision and durability are paramount. Its flange head design allows for easy installation and removal, making it a preferred choice for maintenance tasks.

QSK60 G CM2358 K110

In the larger and more powerful QSK60 G CM2358 K110 engine, the 2874751 screw plays a role in securing various engine components. Given the higher torque and power output of this engine, the screw’s ability to maintain a tight and secure connection is essential. Its use in this engine model ensures that the engine operates smoothly and efficiently.

Grouping of Engines

The engines mentioned above, ISB6.7 G CM2180 B118, QSB6.7 M CM2250, and QSK60 G CM2358 K110, share a commonality in their requirement for the 2874751 screw. This part’s compatibility across these models highlights its versatility and importance in Cummins’ engine lineup. The screw’s design and material properties make it suitable for the diverse operational demands of these engines, ensuring reliable performance and ease of maintenance.

Role of Part 2874751 Hexagon Flange Head Cap Screw in Engine Systems

Front Gear Cover

The front gear cover is a protective enclosure that houses the front gears of an engine. The 2874751 is utilized to secure this cover in place, ensuring that it remains firmly attached during engine operation. This screw’s design allows for easy installation and removal, facilitating maintenance and repair processes.

Fuel Control Module

In the fuel control module, which regulates the fuel supply to the engine, the 2874751 plays a significant role in securing various components within the module. It ensures that all parts are held in precise alignment, which is essential for the accurate delivery of fuel and optimal engine performance.

Heat Exchanger

The heat exchanger is a component that transfers heat between two or more fluids. The 2874751 is employed to fasten the heat exchanger to its mounting points, ensuring a secure fit that withstands the thermal stresses and vibrations encountered during engine operation.

Turbocharger Arrangement

In the turbocharger arrangement, which includes the turbocharger, intercooler, and associated piping, the 2874751 is used to secure various components. This includes fastening the turbocharger to the engine block and securing the intercooler to its mounting brackets. The screw’s robust design ensures that these components remain firmly in place, even under high-stress conditions.

Turbocharger Plumbing

Turbocharger plumbing involves the network of pipes and hoses that facilitate the flow of exhaust gases and compressed air within the turbocharger system. The 2874751 is utilized to secure fittings, brackets, and other components within this plumbing system. This ensures that all connections are tight and secure, preventing leaks and maintaining the efficiency of the turbocharger system.

Conclusion

The 2874751 Hexagon Flange Head Cap Screw is a vital component in the maintenance and operation of Cummins engines. Its design, featuring a hexagonal head and flanged base, provides efficient torque application, enhanced load distribution, and robust fastening capabilities. This part is compatible with various Cummins engine models, including the ISB6.7 G CM2180 B118, QSB6.7 M CM2250, and QSK60 G CM2358 K110, ensuring reliable performance across different applications. Regular maintenance and inspection of this screw are essential to prevent failure and ensure the continued efficiency of the engine systems it supports.