2880068
Square Key
Cummins®

Introduction

The Cummins 2880068 Square Key is a specialized component designed for use in heavy-duty truck applications. It plays a role in the mechanical systems of these vehicles, contributing to the overall efficiency and reliability of the truck’s operation. Understanding its purpose and functionality is key to appreciating its importance in the context of heavy-duty truck components.

Basic Concepts of Square Keys

Square keys are mechanical fasteners used to connect rotating machine elements and prevent relative motion between them. They fit into matching slots cut into a shaft and a corresponding hub, ensuring that both components rotate together as a single unit. In the automotive industry, square keys are commonly employed in applications where torque transmission and mechanical stability are paramount ¹.

Purpose of the Cummins 2880068 Square Key

The Cummins 2880068 Square Key is specifically designed to secure components within the truck’s drivetrain, facilitating the transmission of torque from the engine to the wheels. By fitting into grooves on both the shaft and the hub, it ensures that these parts rotate in unison, which is vital for the truck’s operation. This key plays a role in maintaining the integrity of the drivetrain by preventing slippage and ensuring efficient power transfer ².

Key Features

The Cummins 2880068 Square Key is constructed from high-quality materials, ensuring durability and resistance to wear. Its design includes precise dimensions that allow for a snug fit within the keyways of the shaft and hub, enhancing its performance. The key’s material composition and design characteristics are tailored to withstand the rigors of heavy-duty applications, contributing to its longevity and reliability ³.

Benefits of Using Cummins 2880068 Square Key

Utilizing the Cummins 2880068 Square Key offers several advantages. It provides improved mechanical stability by securely locking components together, which is crucial for the safe and efficient operation of heavy-duty trucks. Additionally, it enhances torque transmission, ensuring that power is effectively transferred from the engine to the wheels. Its reliability in demanding applications makes it a preferred choice for maintaining the performance and durability of heavy-duty vehicles ⁴.

Installation and Usage Guidelines

Proper installation of the Cummins 2880068 Square Key is critical for its effective function. It should be carefully aligned within the keyways of the shaft and hub to ensure a secure fit. During installation, it is important to follow manufacturer guidelines to avoid damage to the key or the components it connects. Regular checks should be performed to ensure that the key remains properly seated and that there is no excessive play between the shaft and hub ⁵.

Troubleshooting Common Issues

Common issues with square keys may include wear, misalignment, or damage due to excessive torque. If the Cummins 2880068 Square Key shows signs of wear or if there is noticeable play between the shaft and hub, it may need to be replaced. Regular inspections can help identify potential problems early, allowing for timely maintenance or replacement to prevent more significant issues ⁶.

Maintenance Tips

To ensure the longevity and consistent performance of the Cummins 2880068 Square Key, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, ensuring that the key remains properly aligned and seated within the keyways. Following manufacturer guidelines for maintenance and replacement can help maintain the efficiency and reliability of the truck’s drivetrain ⁷.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a strong reputation in the automotive and heavy-duty truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and history of excellence make it a trusted name in the industry ⁸.

Cummins Square Key Part 2880068 Compatibility

The Cummins Square Key part number 2880068 is a critical component designed to fit various engine models. This part ensures secure and reliable operation by providing a precise fit within the engine’s mechanisms. Here is a detailed look at the engines and engine groups where this square key is compatible:

K38 Series Engines

The Cummins Square Key part 2880068 is specifically engineered to fit within the K38 series engines. These engines are known for their robust performance and reliability, making them a popular choice in various industrial and commercial applications. The square key’s precise dimensions and material strength ensure it can withstand the operational stresses and torques encountered in these engines ⁹.

Group Compatibility

In addition to the K38 series, the square key part 2880068 is also compatible with other Cummins engine groups that share similar design and operational requirements. These groups include:

• Industrial Engines: Designed for heavy-duty applications, these engines benefit from the secure fit provided by the square key, ensuring smooth and reliable operation.
• Commercial Engines: Used in a variety of commercial settings, these engines require parts that can maintain performance under diverse conditions. The square key’s design supports this need by providing a stable connection.
• Marine Engines: For marine applications, the square key’s durability and resistance to corrosion are particularly important, ensuring the engine’s longevity and reliability in harsh environments.

By ensuring a precise fit and reliable performance, the Cummins Square Key part 2880068 plays a crucial role in the functionality and durability of these engines ¹⁰.

Role of Part 2880068 Square Key in Radiator and Radiator Parts Kit

The part 2880068 Square Key is instrumental in ensuring the proper functioning and assembly of the radiator and radiator parts kit. Within these components, the Square Key serves several important functions:

• Radiator Assembly: In the radiator, the Square Key is used to secure various components together, ensuring that they remain aligned and function as intended. This is particularly important for the radiator’s core, where precise alignment is necessary for optimal heat exchange.
• Radiator Parts Kit: When dealing with a radiator parts kit, the Square Key is often included to facilitate the repair or replacement of worn-out or damaged parts. It ensures that new components are installed correctly and securely, maintaining the integrity of the radiator system.

By integrating the Square Key into these components, engineers and mechanics can achieve a more reliable and efficient cooling system, essential for the overall performance and longevity of the engine ¹¹.

Conclusion

The Cummins 2880068 Square Key is a vital component in the operation of heavy-duty trucks, ensuring the secure and efficient transmission of torque within the drivetrain. Its design, material quality, and precise fit contribute to the reliability and durability of the truck’s mechanical systems. Regular maintenance and proper installation are essential to maximize the performance and lifespan of this Cummins part.