3920924
Woodruff Key
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$9.49 $11.29

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins Woodruff Key 3920924 is a specialized component designed for use in heavy-duty truck engines and transmissions. This key plays a role in ensuring the secure and precise alignment of rotating parts within the mechanical system. Its significance lies in maintaining the integrity and efficiency of the truck’s operational components, contributing to overall performance and reliability.

Basic Concepts of Woodruff Keys

A Woodruff Key is a type of key used in mechanical systems to prevent relative rotation between a shaft and the components mounted on it. It features a half-moon shape, which fits into a semicircular slot cut into the shaft. This design allows for secure fastening without the need for additional fasteners, such as bolts or screws. The history of Woodruff Keys dates back to the early 20th century, where they were developed to address the limitations of traditional rectangular keys. Over time, their use has become widespread in various industrial applications due to their effectiveness and simplicity 1.

Purpose of Woodruff Key 3920924 in Truck Operations

This Cummins part plays a specific role in the operation of heavy-duty trucks by ensuring that components such as gears, pulleys, and sprockets remain fixed in position relative to the shaft. This is crucial for the proper functioning of the engine and transmission systems. By maintaining precise alignment, the key contributes to the efficiency and durability of these components, thereby enhancing the overall performance of the truck 2.

Key Features of Woodruff Key 3920924

Woodruff Key 3920924 is characterized by its unique half-moon shape, which provides a secure fit within the semicircular slot of the shaft. It is typically made from high-strength materials to withstand the rigors of heavy-duty applications. The dimensions of the key are carefully engineered to ensure a snug fit, which is vital for its function. Additionally, the design of the key allows for easy installation and removal, facilitating maintenance procedures.

Benefits of Using Woodruff Key 3920924

The use of this part offers several advantages. It provides improved mechanical stability by securely locking components in place, reducing the risk of misalignment or slippage. The ease of installation is another benefit, as the key can be inserted and removed without the need for additional tools or fasteners. Furthermore, the design of the key simplifies maintenance, allowing for quick replacement if necessary. When compared to alternative key types, the Woodruff Key 3920924 often provides a more reliable and efficient solution for heavy-duty applications 3.

Installation and Usage Guidelines

Proper installation of 3920924 is critical for ensuring its effectiveness. Begin by aligning the semicircular slot on the shaft with the corresponding slot on the component to be mounted. Insert the key into the aligned slots, ensuring it fits snugly without excessive force. Verify that the key is properly seated and that there is no lateral movement between the shaft and the component. Following these steps will help ensure correct alignment and a secure fit.

Troubleshooting and Maintenance

Common issues with Woodruff Keys include misalignment, wear, and damage. To identify these problems, inspect the key and the mating surfaces for signs of wear or damage. Regular maintenance, such as cleaning and lubricating the key and slot, can help prolong the lifespan of the Woodruff Key 3920924. Additionally, periodic checks for proper alignment and fit will ensure optimal performance and prevent potential failures.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has a long-standing reputation for quality and innovation in the automotive industry. The company is committed to providing reliable and efficient solutions for a wide range of applications, including heavy-duty trucks. Cummins’ dedication to excellence is evident in its rigorous manufacturing processes and continuous investment in research and development.

Applications and Compatibility

This part is designed for use in Cummins engines and other compatible systems. It is important to verify the compatibility of the key with specific truck models to ensure proper fit and function. This component is typically used in applications where secure and precise alignment of rotating parts is required, such as in the engine and transmission systems of heavy-duty trucks.

Safety Considerations

When handling and installing the Woodruff Key 3920924, it is important to follow safety guidelines to prevent injury and ensure proper function. Wear appropriate personal protective equipment, such as gloves and safety glasses, during installation. Follow manufacturer recommendations for torque settings and alignment to avoid overtightening or misalignment. Adhering to these safety protocols will help ensure a secure and effective installation.

Conclusion

In summary, the Cummins Woodruff Key 3920924 is a critical component in the operation of heavy-duty trucks, ensuring the secure and precise alignment of rotating parts. Its unique design, ease of installation, and maintenance benefits make it a reliable choice for heavy-duty applications. Proper installation, regular maintenance, and adherence to safety guidelines are essential for maximizing the performance and longevity of this key.


  1. Nunney, M.J. (2007). Light and Heavy Vehicle Technology, Fourth Edition. Butterworth-Heinemann.

  2. Lakshminarayanan, P.A., & Nayak, N.S. (2011). Critical Component Wear in Heavy Duty Engines. John Wiley & Sons.

  3. Isermann, R. (2017). Combustion Engine Diagnosis. Springer Vieweg.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
6.25 x 4.0 x 0.4 in
Weight
0.0445 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.