4013271
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4013271, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is significant in the realm of truck mechanics due to its robust design and reliable performance. Cummins, known for its high-quality truck components, ensures that this screw meets the demanding requirements of commercial truck operations ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange that sits against the surface being fastened. This design allows for efficient torque application and provides a larger bearing surface, which helps distribute the load more evenly. In the context of truck mechanics, these screws are used to secure various components, ensuring they remain firmly in place despite the vibrations and stresses encountered during operation ².

Purpose and Role in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various truck components where secure fastening is required. These components may include engine mounts, chassis parts, and other critical assemblies. The screw’s design ensures that it can withstand the dynamic loads and environmental conditions typical in truck applications, thereby contributing to the overall reliability and safety of the vehicle ³.

Key Features

The 4013271 boasts several key features that enhance its performance and durability. Its hexagonal flange head design allows for easy installation and removal using standard tools, reducing the risk of damage to the screw or the surrounding components. The material composition typically includes high-strength steel, which provides excellent resistance to corrosion and wear. Additionally, the flange head offers a larger contact area, which helps in distributing the clamping force more effectively ⁴.

Benefits

Using the 4013271 offers several benefits. The design of the screw improves fastening security, ensuring that components remain tightly secured even under significant vibration. The flange head also provides resistance to loosening, which is crucial in the demanding environment of commercial truck operations. Furthermore, the ease of installation and removal simplifies maintenance procedures, allowing for quicker and more efficient repairs ⁵.

Installation and Usage

Proper installation of this part is vital to ensure optimal performance and longevity. It is recommended to follow torque specifications provided by Cummins to achieve the correct clamping force without over-tightening, which could lead to damage. Using the appropriate tools and techniques during installation will help maintain the integrity of the screw and the components being fastened. Regular inspections should be conducted to ensure that the screws remain tight and functional ⁶.

Troubleshooting and Maintenance

Common issues with the 4013271 may include loosening due to vibration or corrosion over time. Regular maintenance checks can help identify these issues early. If loosening is detected, re-torque the screw to the specified levels. In cases of corrosion, cleaning the affected area and applying a suitable anti-corrosive treatment can help prolong the screw’s lifespan. Ensuring that the screw is replaced if significant wear or damage is observed will help maintain the reliability of the truck’s components ⁷.

Cummins Overview

Cummins is a reputable manufacturer with a long-standing history in the commercial truck industry. The company offers a wide range of high-quality truck components, including engines, transmissions, and fasteners like the 4013271. Cummins’ commitment to quality and innovation has established it as a trusted source for truck parts, ensuring that their products meet the rigorous demands of commercial truck operations ⁸.

Cummins Hexagon Flange Head Cap Screw Part 4013271 in Engine Applications

The Cummins part number 4013271, a Hexagon Flange Head Cap Screw, is a critical component in various engine assemblies. This part is designed to provide secure fastening in high-stress environments, ensuring the integrity and performance of the engine systems it is used in.

QSV91-G4 CM558/CM700 V102

In the QSV91-G4 CM558/CM700 V102 engines, the Hexagon Flange Head Cap Screw part 4013271 is utilized to secure various engine components. Its flange head design allows for a larger bearing surface, distributing the load more evenly and providing a robust connection. This is particularly important in the CM558/CM700 V102 engines, where precise and reliable fastening is crucial for maintaining engine performance and longevity ⁹.

QSV91G

Similarly, in the QSV91G engines, the part 4013271 plays a vital role in securing critical engine parts. The flange head of the screw ensures that the connection is tight and stable, which is essential for the smooth operation of the engine. This screw is often used in areas where vibration and movement are common, making its design and material properties essential for maintaining the integrity of the engine assembly ¹⁰.

The use of the Hexagon Flange Head Cap Screw in these engines highlights its importance in ensuring that all components are securely fastened, contributing to the overall reliability and efficiency of the engine systems.

Hexagon Flange Head Cap Screw in Engine Systems

The Hexagon Flange Head Cap Screw (part 4013271) is integral to the assembly and maintenance of various engine components.

Camshaft Gear

In the camshaft gear assembly, the Hexagon Flange Head Cap Screw secures the camshaft to the cylinder head, ensuring precise alignment and operation. This screw’s design allows for a robust connection, accommodating the dynamic forces exerted during engine operation. Its flange head provides additional surface area for torque application, reducing the risk of stripping and enhancing the screw’s holding power ¹¹.

Cylinder Block

When integrating components to the cylinder block, such as mounting brackets for ancillary systems, the Hexagon Flange Head Cap Screw plays a significant role. Its flange head design prevents the screw from sinking into softer materials, maintaining a flush surface and ensuring a secure fit. This is particularly important in high-stress areas where vibrations and thermal expansion could otherwise loosen standard fasteners ¹².

The use of the Hexagon Flange Head Cap Screw in these applications underscores its versatility and reliability in engine systems, contributing to the overall integrity and performance of the engine.

Conclusion

The 4013271 Hexagon Flange Head Cap Screw is a vital component in the commercial truck industry, offering robust performance and reliable fastening solutions. Its design and material properties make it suitable for various applications, from engine mounts to critical engine assemblies. Proper installation, regular maintenance, and timely replacement ensure the continued reliability and efficiency of commercial trucks.