200717
Offset Woodruff Key
Cummins®

The Offset Woodruff Key, specifically Part #200717 by Cummins, is a critical component in mechanical systems, particularly in heavy-duty trucks. This part is integral to the secure fitting of gears and shafts within the engine and transmission systems. Cummins, a renowned manufacturer in the automotive and heavy-duty truck industry, is known for its commitment to quality and innovation in producing automotive components ¹.

Basic Concepts of Offset Woodruff Key

An Offset 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 is characterized by its unique design, which includes an offset section that allows for precise alignment and secure fitting. Unlike standard Woodruff Keys, which are straight and may not always provide the necessary alignment for certain applications, Offset Woodruff Keys offer enhanced fitting capabilities due to their design ². This design ensures that the key sits flush with the shaft and the keyway, providing a more secure and reliable connection.

Role of Offset Woodruff Key in Truck Operation

In the operation of a truck, the Offset Woodruff Key plays a role by ensuring the secure fitting of gears and shafts within the engine and transmission systems. It contributes to the stability and efficiency of these systems by preventing unwanted movement between the shaft and the gear or component it supports. This secure fitting is vital for the proper functioning of the truck, as it ensures that power is transmitted effectively from the engine to the transmission and ultimately to the wheels ³.

Key Features of Cummins Offset Woodruff Key

The Cummins Offset Woodruff Key (Part #200717) is designed with specific features that enhance its functionality. It is made from high-quality materials that offer durability and resistance to wear. The dimensions of the key are precisely engineered to fit the keyways in Cummins engines and transmissions, ensuring a secure and reliable connection. Additionally, the unique offset design of the key allows for precise alignment, which is crucial for the efficient operation of the mechanical system ⁴.

Benefits of Using Offset Woodruff Key

Incorporating an Offset Woodruff Key into truck mechanics offers several advantages. It improves torque transmission by ensuring a secure fit between the shaft and the gear or component, which is crucial for efficient power transfer. Additionally, the secure fitting reduces wear on components, as it minimizes movement and friction. This, in turn, enhances the overall durability of the mechanical system, contributing to the longevity and reliability of the truck ¹.

Troubleshooting and Maintenance Suggestions

Common issues related to the Offset Woodruff Key may include wear and tear or misalignment. Regular inspection of the key and associated components can help identify these issues early. Maintenance practices, such as cleaning the keyway and ensuring the key is properly aligned and fitted, can help ensure the longevity and efficient operation of the key and the mechanical system as a whole ².

Installation and Replacement Procedures

Proper installation and replacement of the Offset Woodruff Key involve several steps. It is important to ensure that the keyway is clean and free of debris before installation. The key should be aligned correctly with the shaft and the component it supports, and it should fit securely without any gaps. Safety precautions, such as wearing protective gear and ensuring the engine is off, should be observed during the installation and replacement process ³.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the automotive and heavy-duty truck industry. The company’s commitment to producing reliable and durable components is evident in its wide range of products, including the Offset Woodruff Key (Part #200717) ⁴.

Role of Part 200717 Offset Woodruff Key in Engine Systems

The Offset Woodruff Key, part number 200717, is integral to the proper functioning of several engine components. In the context of a cylinder short block, this key plays a significant role in ensuring the precise alignment and secure fitting of various rotating and stationary parts.

Cylinder Short Block

Within the cylinder short block, the Offset Woodruff Key is primarily used to maintain the alignment between the crankshaft and the camshaft. This alignment is essential for the proper operation of the valve timing mechanism. The key fits into a groove on the crankshaft, preventing any lateral movement that could disrupt the timing belt or chain’s engagement with the camshaft sprocket.

Additionally, the Offset Woodruff Key ensures that the crankshaft remains correctly positioned within the engine block. This is vital for the consistent operation of the pistons as they move up and down within the cylinders. Any misalignment could lead to increased wear on the engine components, reduced efficiency, and potential engine failure over time.

Conclusion

In summary, the Offset Woodruff Key, part 200717, is a small yet significant component that contributes to the overall reliability and performance of the engine system by ensuring precise alignment and secure fitting of critical parts within the cylinder short block. Its role in maintaining the integrity of the engine’s mechanical systems underscores the importance of using high-quality components in automotive and heavy-duty truck applications.