3906468
Weld Flange
Cummins®

The Cummins 3906468 Weld Flange is a specialized component designed for use in heavy-duty truck systems. This part is integral to ensuring the secure connection of various components within the truck’s system, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and significance is key to appreciating its role in the broader context of heavy-duty truck components.

Basic Concepts of Weld Flanges

A weld flange is a type of fitting used to connect pipes, valves, and other equipment in a piping system. It features a flat, circular face that is welded to the end of a pipe, allowing for a secure and leak-proof connection when mated with another flange. In the automotive industry, weld flanges are commonly used in fuel systems, exhaust systems, and hydraulic systems due to their durability and ability to withstand high pressures and temperatures ¹.

Purpose of the 3906468 Weld Flange

The Cummins 3906468 Weld Flange serves a specific role in the operation of heavy-duty trucks. It is designed to facilitate the connection between different sections of the truck’s fuel or exhaust system, ensuring a tight seal that prevents leaks and maintains system integrity. This part contributes to the overall performance of the truck by ensuring that the system operates efficiently and reliably under various conditions.

Key Features

The Cummins 3906468 Weld Flange is characterized by several key features that enhance its performance. It is made from high-quality materials, ensuring durability and resistance to corrosion. The design specifications of this flange include precise dimensions and a robust construction that allows for a secure fit. Additionally, it may feature unique attributes such as reinforced edges or specialized coatings to further improve its performance in demanding environments ².

Benefits

The advantages provided by the Cummins 3906468 Weld Flange include enhanced durability, ease of installation, and performance improvements in heavy-duty truck applications. Its robust construction ensures long-lasting performance, while its design allows for straightforward installation, reducing downtime. Moreover, the secure connection it provides contributes to the overall efficiency and reliability of the truck’s system.

Installation Process

Installing the Cummins 3906468 Weld Flange requires careful attention to detail to ensure a secure fit. The process involves preparing the pipe end for welding, aligning the flange, and performing the weld. Tools and equipment such as a welding torch, alignment tools, and safety gear are necessary. Best practices include ensuring the flange is properly aligned and the weld is performed according to manufacturer specifications to achieve a strong and leak-proof connection.

Troubleshooting Common Issues

Common problems that may arise with the Cummins 3906468 Weld Flange include leaks, misalignment, and corrosion. Troubleshooting steps involve inspecting the flange and connection for signs of damage or wear, ensuring proper alignment during installation, and applying protective coatings to prevent corrosion. Addressing these issues promptly can help maintain the integrity of the truck’s system and prevent more significant problems.

Maintenance Tips

Regular maintenance practices can prolong the lifespan of the Cummins 3906468 Weld Flange. Inspection routines should include checking for signs of wear, corrosion, or leaks. Care instructions may involve cleaning the flange and connection regularly, applying protective coatings as needed, and ensuring that all connections are tight and secure. Following these maintenance tips can help ensure the flange continues to perform reliably over time.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a strong reputation in the automotive and heavy-duty truck industry. The company’s products are known for their reliability, efficiency, and performance, making them a preferred choice for professionals in the field.

Weld Flange Part 3906468 in Cummins Engines

The Weld Flange part 3906468, manufactured by Cummins, is an essential component in several of their engine models. This part is integral to the engine’s structure, ensuring proper sealing and connection of various parts.

Application in 6C8.3 Engines

In the 6C8.3 engine series, the Weld Flange part 3906468 plays a role in maintaining the integrity of the engine’s cooling system. It is designed to fit seamlessly with the engine’s architecture, providing a robust connection point for coolant lines and other critical components. This ensures that the engine operates efficiently and reliably under various conditions.

Grouping of Engines

The Weld Flange part 3906468 is compatible with a range of Cummins engines, including but not limited to:

• 6C8.3 Series: This part is specifically engineered to fit the 6C8.3 engine, ensuring a precise and secure connection.
• Other Cummins Engines: While the primary focus is on the 6C8.3 series, this weld flange is also designed to be compatible with other Cummins engines, providing a versatile solution for various engine models.

The compatibility of the Weld Flange part 3906468 with multiple engine series underscores its importance in maintaining the structural and operational integrity of Cummins engines.

Role of Part 3906468 Weld Flange in Engine Systems

The Weld Flange, identified by part number 3906468, is integral to the secure and efficient operation of various engine systems. It facilitates robust connections in several key areas:

Exhaust System Integration

1. Exhaust Outlet Connection: The Weld Flange is employed to create a secure seal between the exhaust manifold and the exhaust outlet. This ensures that exhaust gases are directed away from the engine compartment efficiently, minimizing backpressure and enhancing engine performance.

2. Exhaust Connection: In the exhaust system, the Weld Flange plays a role in connecting different sections of the exhaust pipe. It provides a leak-proof joint, which is essential for maintaining the integrity of the exhaust flow and reducing emissions.

3. Exhaust Outlet Tube: When connecting the exhaust outlet tube to other components, the Weld Flange ensures a tight and durable seal. This is particularly important in high-temperature environments where traditional fittings might fail.

Plumbing Applications

Beyond the exhaust system, the Weld Flange is also utilized in various plumbing applications within the engine system:

1. Coolant Lines: In coolant systems, the Weld Flange is used to connect coolant lines to the engine block or radiator. This ensures that coolant flows smoothly without leaks, which is vital for maintaining optimal engine temperature.

2. Fuel Lines: For fuel systems, the Weld Flange provides a secure connection between fuel lines and the fuel injection system. This is important for preventing fuel leaks and ensuring consistent fuel delivery to the engine.

General Connection Uses

The Weld Flange is a versatile component that can be used in various other connections within the engine system:

1. Turbocharger Connections: It is often used to connect the turbocharger to the exhaust system, ensuring that the turbocharger receives a consistent flow of exhaust gases to operate efficiently.

2. Aftermarket Modifications: For custom engine builds or modifications, the Weld Flange offers a reliable method for connecting new components to the existing engine system, allowing for greater flexibility in design and performance enhancements.

Conclusion

In summary, the Weld Flange (part 3906468) is a fundamental component in ensuring the secure and efficient connection of various engine system parts, contributing to the overall performance and reliability of the engine. Its robust construction, ease of installation, and compatibility with multiple engine models make it a critical component in the maintenance and operation of heavy-duty trucks and engines.