4065866
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by Part #4065866, is a critical component manufactured by Cummins, a renowned name in the commercial truck industry. This screw is essential in commercial trucks due to its robust design and reliable performance in fastening applications. Cummins, known for its high-quality engine and powertrain components, ensures that this screw meets the demanding requirements of heavy-duty truck operations.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flange feature. The hexagonal head allows for efficient torque application using standard tools, ensuring secure fastening. The flange, a flat, circular plate at the head’s base, distributes the load over a larger area, reducing the risk of the screw pulling through the material. This design is particularly beneficial in applications where vibration and dynamic loads are common, as it enhances the screw’s resistance to loosening ¹.

Role in Truck Operation

In the context of a commercial truck, the 4065866 Hexagon Flange Head Cap Screw serves multiple purposes. It is utilized in various truck components where secure and durable fastening is required. Applications include engine mounts, transmission housings, and chassis components. The screw’s design ensures that critical components remain firmly attached, contributing to the overall safety and reliability of the truck.

Key Features

The 4065866 Hexagon Flange Head Cap Screw boasts several key features that make it suitable for heavy-duty applications. Its hexagonal head design allows for easy and precise tightening, while the flange feature provides additional surface area for load distribution. The screw is typically made from high-strength materials, such as alloy steel, which offers excellent resistance to corrosion and wear. Additionally, the screw may be coated or treated to further enhance its durability in harsh environments ².

Benefits

The benefits of using the 4065866 Hexagon Flange Head Cap Screw in commercial trucks are manifold. The screw’s design enhances fastening security, reducing the likelihood of loosening over time. Its resistance to corrosion ensures longevity, even in demanding operating conditions. Furthermore, the material properties of the screw contribute to its durability, making it a reliable choice for heavy-duty applications.

Troubleshooting and Maintenance

Common issues with the 4065866 Hexagon Flange Head Cap Screw may include loosening due to vibration or corrosion. Regular inspection and maintenance can help mitigate these issues. Ensuring that the screw is properly torqued during installation is crucial to prevent loosening. Additionally, applying a corrosion-resistant coating or lubricant can enhance the screw’s performance in harsh environments. If corrosion is detected, the affected screw should be replaced to maintain the integrity of the fastening application.

Cummins Overview

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 strong reputation in the commercial truck industry for producing reliable and high-performance components. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the rigorous demands of commercial trucking. Cummins’ commitment to quality and innovation ensures that its components, like the 4065866 Hexagon Flange Head Cap Screw, deliver exceptional performance and durability.

Cummins Engine Compatibility with Part 4065866

The Hexagon Flange Head Cap Screw, part number 4065866, manufactured by Cummins, is a critical component in the assembly and maintenance of several Cummins engine models. This part is designed to provide secure fastening in various engine applications, ensuring structural integrity and operational efficiency.

QSK45 CM500 and QSK60 CM500

The QSK45 CM500 and QSK60 CM500 engines both benefit from the use of the 4065866 screw in their assembly. This part is integral in securing various components within these engines, ensuring that they can withstand the operational stresses and maintain optimal performance. The screw’s design allows for easy installation and removal, which is crucial during routine maintenance and repairs.

QSK60 CM850 MCRS and QSK60G

In the QSK60 CM850 MCRS and QSK60G engines, the 4065866 screw plays a pivotal role in the assembly of the engine’s critical components. Its robust design ensures that it can handle the high torque and pressure environments within these engines, contributing to their reliability and longevity. The screw’s precision manufacturing ensures a perfect fit, which is essential for the smooth operation of these engines.

QSK95 CM2350 K111

The QSK95 CM2350 K111 engine also utilizes the 4065866 screw in its assembly. Given the high-performance nature of this engine, the screw’s ability to provide a secure and durable fastening is crucial. Its use in this engine highlights its versatility and importance in maintaining the structural integrity of the engine’s components under demanding conditions.

Overall, the 4065866 Hexagon Flange Head Cap Screw is a vital component across a range of Cummins engines, ensuring that these engines can operate efficiently and reliably. Its design and manufacturing quality make it an essential part in the assembly and maintenance of these high-performance engines.

Role of Part 4065866 Hexagon Flange Head Cap Screw in Engine Systems

The 4065866 Hexagon Flange Head Cap Screw is instrumental in securing various components within engine systems, ensuring both structural integrity and operational efficiency.

In the arrangement of engine components, this screw plays a significant role in fastening parts that require a robust connection. Its hexagonal flange head design allows for easy tightening and loosening, which is essential during assembly and maintenance procedures.

Within the turbocharger system, the 4065866 screw is often used to secure the turbocharger to the engine block or manifold. This ensures that the turbocharger remains firmly in place, even under high-stress conditions, thereby maintaining optimal performance and longevity of the turbocharger.

In the context of the exhaust manifold, this screw is utilized to attach the manifold to the engine block. The secure fastening provided by the screw is vital for withstanding the high temperatures and pressures generated during exhaust flow, preventing leaks and ensuring efficient exhaust gas evacuation.

Similarly, in the broader manifold system, whether intake or exhaust, the 4065866 screw helps in maintaining a tight seal. This is important for preserving the airflow dynamics and preventing any loss of efficiency due to leaks.

Lastly, in the exhaust system, this screw is employed to connect various exhaust components, such as the catalytic converter to the exhaust manifold or the muffler to the tailpipe. Its reliable fastening capability ensures that the exhaust system remains intact, contributing to reduced emissions and improved overall engine performance.

Conclusion

The 4065866 Hexagon Flange Head Cap Screw is a vital component in the commercial truck industry, offering robust fastening solutions for various engine and truck components. Its design, featuring a hexagonal head and flange, ensures secure and durable fastening, crucial for the safety and reliability of heavy-duty trucks. Cummins’ commitment to quality and innovation is evident in the manufacturing of this screw, making it a reliable choice for demanding applications. Regular maintenance and proper installation are key to maximizing the screw’s performance and longevity.