3009948
Offset Woodruff Key
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$79.95 $95.14

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

Introduction

The Offset Woodruff Key is a specialized component utilized in various mechanical systems, including engines, to ensure the precise alignment and secure attachment of rotating parts. In the context of Cummins engines, the Offset Woodruff Key Part #3009948 is integral to maintaining the operational integrity of these robust power units. This key facilitates the secure connection between the crankshaft and other rotating components, ensuring smooth and efficient engine performance.

Basic Concepts of Offset Woodruff Key

An Offset Woodruff Key is a type of key that fits into a semi-circular recess, or keyway, machined into a shaft. Its design allows for the secure attachment of gears, pulleys, or other components to the shaft, preventing rotational movement while permitting axial movement. This key is particularly useful in applications where the alignment of components is crucial, as it helps maintain the precise positioning necessary for optimal engine function 1.

Purpose of Offset Woodruff Key Part #3009948

In Cummins engines, the Offset Woodruff Key Part #3009948 plays a significant role in the operation by maintaining the alignment and integrity of rotating components. It ensures that parts such as the flywheel and crankshaft remain correctly positioned relative to each other, which is vital for the engine’s smooth operation. By securing these components, the key helps prevent excessive wear and potential damage that could arise from misalignment 2.

Key Features

The Offset Woodruff Key Part #3009948 is crafted from high-quality materials, typically hardened steel, to ensure durability and resistance to wear. Its dimensions are precisely engineered to fit the specific keyways in Cummins engines, providing a secure and reliable connection. The design of this key includes an offset feature, which allows for better alignment and distribution of forces, enhancing its performance and longevity 3.

Benefits of Using Offset Woodruff Key

Incorporating an Offset Woodruff Key in engine design offers several advantages. It contributes to improved mechanical efficiency by ensuring that rotating components remain aligned, reducing the likelihood of wear and tear. This key also enhances overall engine performance by maintaining the integrity of the connection between critical parts, leading to smoother operation and potentially extending the engine’s lifespan 4.

Installation and Maintenance

Proper installation of the Offset Woodruff Key Part #3009948 is crucial for its effective function. It should be carefully placed into the keyway, ensuring a snug fit without excessive force that could damage the key or the shaft. Regular maintenance practices, such as inspecting the key for signs of wear or damage during routine engine checks, can help ensure its longevity. Lubrication of the keyway may also be beneficial in some applications to reduce friction and wear.

Troubleshooting Common Issues

Common issues associated with the Offset Woodruff Key may include misalignment or wear, which can lead to decreased engine performance or component failure. If misalignment is suspected, it is important to inspect both the key and the keyway for damage or improper fit. Wear on the key may require replacement to restore the secure connection between components. Regular inspections and maintenance can help identify and address these issues before they lead to more significant problems.

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 related technologies. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and focus on technological advancement make it a preferred choice for heavy-duty applications, ensuring reliable performance and durability in demanding environments.

Cummins Offset Woodruff Key 3009948 in Engine Applications

The Cummins Offset Woodruff Key, part number 3009948, is a critical component in various engine configurations. This part is designed to ensure the proper alignment and smooth operation of rotating shafts within the engine. It is commonly used in engines where precise shaft alignment is essential for optimal performance and longevity.

L10 Mechanical Engine

In the L10 Mechanical engine, the Offset Woodruff Key 3009948 plays a pivotal role in maintaining the alignment between the crankshaft and the connecting rod bearings. This alignment is crucial for the engine’s operational integrity, as any misalignment can lead to increased wear and potential engine failure. The key’s offset design helps in evenly distributing the torque applied to the shaft, thereby enhancing the engine’s efficiency and reliability.

Grouping of Engines

The Cummins Offset Woodruff Key 3009948 is also utilized in other mechanical engines within the Cummins lineup. These engines share similar design principles and operational requirements, necessitating the use of high-quality components like the Offset Woodruff Key to ensure consistent performance. The key’s application across these engines underscores its importance in maintaining the precision and durability of the engine’s rotating assemblies.

By integrating the Offset Woodruff Key 3009948 into their engine designs, Cummins ensures that their mechanical engines operate with the utmost efficiency and reliability. This component’s role in maintaining shaft alignment is vital for the overall performance and longevity of the engine.

Role of Part 3009948 Offset Woodruff Key in Engine Systems

The Offset Woodruff Key (Part 3009948) is a critical component in the synchronization and secure fitting of various engine parts. Its primary function is to ensure the precise alignment and secure attachment of rotating components within the engine system.

Integration with Camshaft

In the context of the camshaft, the Offset Woodruff Key plays a significant role. It is installed in the keyway of the camshaft and mates with a corresponding slot in the camshaft gear or sprocket. This arrangement ensures that the camshaft rotates in perfect synchronization with the crankshaft, which is vital for the accurate timing of valve operations. Proper alignment facilitated by the Woodruff Key prevents issues such as valve-to-piston contact, which can lead to severe engine damage.

Emissions Rebuild Kit

When incorporated into an emissions rebuild kit, the Offset Woodruff Key assists in the reassembly of components such as the camshaft and associated gears. Ensuring that these parts are correctly aligned is important for the efficient operation of emission control systems. Misalignment can result in inefficient combustion, leading to increased emissions and reduced engine performance.

Performance Parts

In performance parts, the Offset Woodruff Key is often used to maintain the integrity of high-performance camshafts. These camshafts are designed for enhanced engine performance, and any misalignment can negate the benefits of such upgrades. The Woodruff Key ensures that the camshaft operates within the designed parameters, contributing to improved engine efficiency and power output.

General Engine Parts

Across various engine parts, the Offset Woodruff Key is utilized to secure and align components such as gears, sprockets, and pulleys. Its role in maintaining the correct positional relationship between rotating parts is fundamental to the smooth and efficient operation of the engine.

Summary of Component Usage

  • Camshaft: Ensures precise timing and synchronization with the crankshaft.
  • Emissions Rebuild Kit: Facilitates correct reassembly and alignment of emission control components.
  • Performance Parts: Maintains the integrity and performance of high-performance camshafts.
  • General Engine Parts: Secures and aligns gears, sprockets, and pulleys for efficient engine operation.

Conclusion

The Offset Woodruff Key Part #3009948 by Cummins is a vital component in ensuring the precise alignment and secure attachment of rotating parts within engines. Its role in maintaining the operational integrity of Cummins engines cannot be overstated. From ensuring the synchronization of the camshaft with the crankshaft to facilitating the correct reassembly of emission control components, this key is essential for the smooth and efficient operation of the engine. Regular maintenance and proper installation are crucial to maximizing the benefits of this component and ensuring the longevity and performance of the engine.


  1. Atkins, Richard D. An Introduction to Engine Testing and Development. SAE International, 2009.

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

  3. Kershaw, John F. SAE International’s Dictionary for Automotive Engineers. SAE International, 2023.

  4. Fischer, Robert, et al. The Automotive Transmission Book Powertrain. Springer, 2015.

SPECIFICATIONS

Comments
0 deg 30' Angle of Offset
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
6.3 x 4.0 x 0.11 in
Weight
0.02 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.