3874561
Bevel Washer
Cummins®

The Cummins 3874561 Bevel Washer is a specialized component designed for use in heavy-duty truck maintenance and operation. This washer plays a role in ensuring the proper functioning of various truck systems by providing necessary support and sealing capabilities. Understanding its purpose and significance is vital for maintaining the efficiency and reliability of heavy-duty trucks.

Basic Concepts of Bevel Washers

A bevel washer is a type of washer with a conical shape, designed to create a seal or distribute pressure more effectively than flat washers. Bevel washers function by conforming to the surfaces they are placed between, which helps in achieving a tighter seal and more even pressure distribution. They are commonly used in mechanical systems where precise sealing and pressure distribution are required. Bevel washers are typically made from materials such as steel, stainless steel, or brass, chosen for their durability and resistance to wear and corrosion ¹.

Purpose of the Cummins 3874561 Bevel Washer

The Cummins 3874561 Bevel Washer is specifically designed to play a role in the operation of heavy-duty trucks by enhancing the sealing and pressure distribution in various truck components. It contributes to the efficiency and reliability of truck systems by ensuring that connections remain tight and secure, preventing leaks and reducing the risk of component failure. This washer is integral to maintaining the performance of critical truck systems.

Key Features

The Cummins 3874561 Bevel Washer features a precise conical shape that allows it to conform to the surfaces it is placed between, ensuring a tight seal. It is made from high-quality materials that offer enhanced durability and resistance to wear and corrosion. These materials ensure that the washer can withstand the demanding conditions encountered in heavy-duty truck applications. Additionally, the design of the washer includes specific dimensions and tolerances that make it compatible with a range of truck components.

Benefits

Using the Cummins 3874561 Bevel Washer offers several advantages. Its conical shape provides improved sealing capabilities, which helps in preventing leaks and ensuring that systems operate efficiently. The high-quality materials used in its construction enhance its durability, allowing it to withstand the rigors of heavy-duty truck use. Additionally, the washer’s resistance to wear and corrosion ensures long-term performance and reliability.

Installation and Usage

Proper installation of the Cummins 3874561 Bevel Washer is crucial for ensuring its effectiveness. It should be placed between the surfaces that require sealing or pressure distribution, ensuring that it is aligned correctly and tightened to the recommended specifications. Careful attention should be paid to avoid over-tightening, which can damage the washer or the components it is sealing. This washer is commonly used in various truck systems, including fuel lines, hydraulic systems, and engine components, where precise sealing is required ².

Troubleshooting and Maintenance

Identifying common issues with the Cummins 3874561 Bevel Washer, such as leaks or signs of wear, is important for maintaining truck performance. Regular inspection and replacement of worn washers can prevent system failures and ensure optimal operation. Maintenance tips include checking for proper alignment and tightness during routine inspections and replacing the washer if any signs of damage or wear are detected.

Common Applications

The Cummins 3874561 Bevel Washer is commonly used in various applications within heavy-duty trucks. It is frequently found in fuel systems, where it helps maintain seals in fuel lines and connections. It is also used in hydraulic systems to ensure tight seals in hydraulic lines and components. Additionally, the washer is employed in engine components where precise sealing is necessary to maintain performance and prevent leaks.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the automotive and heavy-duty truck industry, with a long history of producing high-quality components and systems. The company is known for its commitment to innovation and quality, providing reliable and durable products that meet the demanding needs of heavy-duty applications. Cummins’ reputation for excellence is built on its dedication to research and development, ensuring that its products, including the Cummins 3874561 Bevel Washer, deliver superior performance and reliability ³.

Bevel Washer 3874561 Compatibility with Cummins Engines

The Bevel Washer part number 3874561, manufactured by Cummins, is a critical component in ensuring the proper functioning of various Cummins engines. This part is designed to fit seamlessly with a range of Cummins engine models, providing a reliable seal and preventing leaks in critical areas.

Engines 15N CM2380 M104B, K19, K38, K50, N14 G, QSK50 CM2150 MCRS

The Bevel Washer 3874561 is compatible with the following engines:

• 15N CM2380 M104B: This engine benefits from the precision fit of the Bevel Washer, ensuring optimal performance and longevity.
• K19, K38, K50: These engines, known for their robust design, require the durability and precision of the 3874561 Bevel Washer to maintain their operational integrity.
• N14 G: This engine model relies on the Bevel Washer to provide a secure seal, preventing any potential fluid leaks and ensuring smooth operation.
• QSK50 CM2150 MCRS: The Bevel Washer 3874561 is engineered to fit perfectly with the QSK50 CM2150 MCRS, contributing to the engine’s overall efficiency and reliability.

By using the Bevel Washer 3874561, these engines can maintain their performance standards, ensuring that they operate efficiently and reliably under various conditions.

Role of Part 3874561 Bevel Washer in Engine Systems

Part 3874561, the Bevel Washer, is an essential component in various engine systems, ensuring the smooth operation and efficiency of multiple subsystems.

Fuel System Integration

In the fuel system, the Bevel Washer is utilized in the fuel filter mounting to create a secure seal between the filter housing and the mounting bracket. This ensures that there are no fuel leaks, maintaining the integrity of the fuel delivery system. Additionally, it is employed in the fuel transfer pump to seal connections, preventing any fuel from escaping and ensuring consistent fuel pressure is maintained throughout the system.

Vibration Isolation

The Bevel Washer plays a significant role in the vibration isolator systems. When installed in the mounting points of the engine accessories, it helps to dampen vibrations transmitted from the engine to the accessories. This is particularly important for sensitive components like the air starting motor lubricator and the LTA pump, where excessive vibration could lead to premature wear or failure.

Plumbing and Fuel Lines

In the plumbing of fuel lines, the Bevel Washer is used at connection points to ensure a tight seal. This is vital in the fuel transfer system where any leakage could result in a loss of fuel pressure or contamination of the fuel. The washer is also integral in the primer system for the fuel, ensuring that air does not enter the fuel lines during the priming process.

Railcar Installation Package

For railcar installation packages, the Bevel Washer is included in the subbase assembly to ensure that all connections between the engine and the railcar frame are secure. This is important for the overall stability and safety of the installation, as any loose connections could lead to significant issues during operation.

Accessories and Starting Systems

In the accessories and air starting systems, the Bevel Washer is used in various connection points to maintain the integrity of the system. Whether it’s sealing the connections in the G.T. starting system or ensuring the air starting motor operates without leaks, the Bevel Washer is a key component in these subsystems.

Comprehensive System Support

Overall, the Bevel Washer (Part 3874561) supports a wide array of engine systems by providing reliable seals and connections. Its role in preventing leaks, dampening vibrations, and ensuring secure mounting points is indispensable for the efficient and safe operation of engine systems.

Conclusion

The Cummins 3874561 Bevel Washer is a critical component in the maintenance and operation of heavy-duty trucks and Cummins engines. Its precise conical shape, high-quality materials, and compatibility with various engine models make it an indispensable part for ensuring the efficiency, reliability, and safety of truck and engine systems. Proper installation, regular maintenance, and understanding its applications are essential for maximizing the benefits of this Cummins part.