3171181
Hexagon Flange Nut
Cummins®

The Hexagon Flange Nut, part number 3171181, manufactured by Cummins, is a specialized fastener designed for use in commercial truck applications. Cummins, a well-respected name in the automotive and heavy-duty truck industry, produces this nut to meet the demanding requirements of truck operations. This part is integral to ensuring the secure attachment of various components within truck systems, contributing to the overall reliability and performance of commercial vehicles.

Basic Concepts of Hexagon Flange Nuts

A Hexagon Flange Nut is a type of fastener characterized by its hexagonal shape and a flange—a flat, circular plate—attached to one end. This design allows for easier tightening and loosening using standard tools, such as wrenches or sockets. In mechanical systems, flange nuts are commonly used to secure components that require a high degree of stability and resistance to vibration. The flange distributes the load more evenly across the surface it contacts, reducing the risk of damage to the fastened material ¹.

Purpose of the 3171181 Hexagon Flange Nut in Truck Operations

The 3171181 Hexagon Flange Nut plays a specific role in the operation and maintenance of commercial trucks. It is designed to secure critical components that are subject to significant stress and vibration, such as engine mounts, exhaust systems, and chassis parts. By providing a stable and vibration-resistant connection, this nut helps maintain the integrity of these components, ensuring they function correctly throughout the truck’s operational life ².

Key Features

The 3171181 Hexagon Flange Nut features a hexagonal shape that allows for efficient tightening and loosening with standard tools. The flange design enhances its ability to distribute load and resist vibration. Made from high-quality materials, typically a durable alloy, this nut offers excellent corrosion resistance and longevity. Its unique attributes include a precise thread pitch and a robust construction that ensures reliable performance under demanding conditions ³.

Benefits

Using the 3171181 Hexagon Flange Nut provides several benefits. It offers improved security for fastened components, ensuring they remain firmly in place even under significant stress and vibration. The nut’s resistance to corrosion extends its service life, reducing the need for frequent replacements. Additionally, the flange design facilitates easier installation and removal, saving time during maintenance procedures.

Installation and Usage

Proper installation of the 3171181 Hexagon Flange Nut is vital for optimal performance. It should be torqued to the manufacturer’s specified levels to ensure a secure fit without overtightening, which could damage the threads or the fastened component. Recommended tools include a torque wrench for precise application of force. Following best practices, such as using the correct lubricants and inspecting the nut and threads for damage before installation, will help ensure reliable performance.

Troubleshooting and Maintenance

Common issues with the 3171181 Hexagon Flange Nut may include loosening due to vibration or corrosion. Regular inspections during maintenance checks can help identify these problems early. If loosening is detected, re-torquing the nut to the specified levels is usually sufficient. In cases of corrosion, cleaning the affected areas and applying a suitable anti-seize compound can prevent further issues. Proper maintenance practices will help prolong the service life of the nut.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer with a long-standing reputation in the automotive and heavy-duty truck industry. Founded in 1919, Cummins has built a legacy of quality, innovation, and reliability. The company is committed to producing high-performance components that meet the rigorous demands of commercial applications. Their expertise in engine and component design ensures that parts like the 3171181 Hexagon Flange Nut deliver exceptional performance and durability.

Hexagon Flange Nut 3171181 Compatibility with Cummins Engines

The Hexagon Flange Nut 3171181, manufactured by Cummins, is a critical component in various engine configurations. This part is designed to fit seamlessly with several Cummins engine models, ensuring secure and reliable connections. Below is a detailed overview of its compatibility across different engine series:

6C8.3 and B5.9 CM2670 Engines

The Hexagon Flange Nut 3171181 is compatible with the 6C8.3 and B5.9 CM2670 engines. These engines are known for their robust performance and are often used in heavy-duty applications. The nut’s design ensures a tight fit, which is essential for maintaining the integrity of the engine’s connections.

C GAS PLUS CM556 and ISC CM554 Engines

This flange nut also fits the C GAS PLUS CM556 and ISC CM554 engines. These engines are part of Cummins’ lineup of gas-powered engines, designed for applications requiring efficient and reliable power. The 3171181 nut is engineered to handle the specific demands of these engines, ensuring durability and ease of maintenance.

ISL9 CM2150 SN, ISL9.5 CM2880 L138, and L8.9 CM2670 L134C Engines

The ISL9 CM2150 SN, ISL9.5 CM2880 L138, and L8.9 CM2670 L134C engines are part of Cummins’ ISL and L8.9 series, known for their high performance and reliability. The Hexagon Flange Nut 3171181 is designed to fit these engines, providing a secure connection that can withstand the rigors of heavy-duty use.

L8.9G CMOH2.0 L125B and QSK45 CM500 Engines

The L8.9G CMOH2.0 L125B and QSK45 CM500 engines are another set of models that the 3171181 nut is compatible with. These engines are often used in various industrial applications, and the nut’s design ensures that it can handle the specific requirements of these engines.

QSK50 CM2350 K108, QSK60 CM500, and QSK60 CM850 MCRS Engines

The QSK50 CM2350 K108, QSK60 CM500, and QSK60 CM850 MCRS engines are part of Cummins’ QSK series, known for their power and efficiency. The Hexagon Flange Nut 3171181 is engineered to fit these engines, providing a reliable connection that is essential for maintaining engine performance.

QSK60G, QSK78 CM500, and QSK95 CM2350 K111/K113 Engines

The QSK60G, QSK78 CM500, and QSK95 CM2350 K111/K113 engines are also compatible with the 3171181 nut. These engines are designed for high-performance applications, and the nut’s design ensures that it can handle the specific demands of these engines.

QSL8.9 CM2150 L141, QSL9 CM850(CM2850), and QSM11 CM570 Engines

The QSL8.9 CM2150 L141, QSL9 CM850(CM2850), and QSM11 CM570 engines are part of Cummins’ QSL and QSM series, known for their versatility and reliability. The Hexagon Flange Nut 3171181 is designed to fit these engines, ensuring a secure and reliable connection.

QSV91-G4 CM558/CM700 V102 and QSV91G Engines

Finally, the QSV91-G4 CM558/CM700 V102 and QSV91G engines are compatible with the 3171181 nut. These engines are often used in various applications, and the nut’s design ensures that it can handle the specific requirements of these engines.

In summary, the Hexagon Flange Nut 3171181 is a versatile and reliable component that fits a wide range of Cummins engines, ensuring secure and efficient connections across various engine models.

Role of Part 3171181 Hexagon Flange Nut in Engine Systems

The Hexagon Flange Nut, part 3171181, is instrumental in securing various components within engine systems, ensuring stability and integrity throughout operation.

In alternator mounting arrangements, this nut is employed to firmly attach the alternator to the engine block or bracket, facilitating efficient power generation and distribution.

For turbocharger connections, it plays a significant role in securing the turbocharger to the engine, ensuring a tight seal and efficient operation of the forced induction system.

In the context of exhaust outlets, the Hexagon Flange Nut is utilized to connect the exhaust manifold to the exhaust pipe, maintaining a secure and leak-free joint that is essential for optimal exhaust flow and reduced emissions.

When it comes to drive components, such as the fan or fuel pump, this nut is critical in attaching these components to their respective mounts, ensuring they operate smoothly and efficiently.

In filter assemblies, including lubricating oil and fuel filters, the nut is used to secure the filter housing, preventing leaks and ensuring the filtration process is effective.

For electronic control module wiring and harness installations, the Hexagon Flange Nut is often used to secure wiring looms and harnesses to the engine bay, protecting them from vibrations and potential damage.

In lubricating oil filter setups, it ensures the filter is tightly connected to the engine, maintaining proper oil circulation and filtration.

Within manifold and exhaust systems, the nut is employed to secure various connections, ensuring a robust and leak-free system that enhances engine performance and efficiency.

In fuel control and supply systems, it is used to secure fuel rails and supply lines, ensuring a consistent and reliable fuel delivery to the engine.

For mounting components such as the alternator or other auxiliary devices, the Hexagon Flange Nut provides a strong and secure attachment point, crucial for the operation and longevity of these components.

In plumbing applications related to exhaust and fuel systems, the nut ensures all connections are tight and secure, preventing leaks and ensuring system integrity.

Lastly, in support structures for the power train and rear engine systems, as well as in auxiliary cooling systems for turbochargers, the Hexagon Flange Nut is vital for maintaining the structural integrity and operational efficiency of these complex engine systems.

Conclusion

The 3171181 Hexagon Flange Nut is a critical component in the operation and maintenance of commercial trucks and various Cummins engine models. Its design ensures secure and reliable connections, contributing to the overall performance and durability of the vehicle. Proper installation, maintenance, and understanding of its role in engine systems are essential for maximizing the benefits of this Cummins part.