4982874
Plain Woodruff Key
Cummins®

The Cummins 4982874 Plain Woodruff Key is a component used in heavy-duty truck engines. Its purpose is to secure the position of rotating parts within the engine, ensuring they remain aligned and function correctly. This key plays a role in maintaining the integrity and performance of the engine by preventing slippage between components ¹.

Basic Concepts of Plain Woodruff Key

A Plain Woodruff Key is a type of key used in machinery to prevent relative rotation between a shaft and the components mounted on it. It is a simple, flat key with a semicircular cross-section that fits into a matching groove cut into the shaft. This design allows the key to lock the component in place, ensuring that it does not move or rotate independently of the shaft. In an engine, this mechanism is vital for the proper operation of various rotating parts ².

Role of the 4982874 Plain Woodruff Key in Truck Engines

The Cummins 4982874 Plain Woodruff Key is specifically designed to fit into the grooves of shafts within heavy-duty truck engines. It plays a role in securing components such as gears, pulleys, and sprockets, ensuring they remain fixed in position relative to the shaft. This security is crucial for the synchronized operation of the engine’s moving parts, contributing to the overall efficiency and reliability of the engine ³.

Key Features of the 4982874 Plain Woodruff Key

The Cummins 4982874 Plain Woodruff Key is characterized by its precise dimensions and robust design. It is typically made from high-quality steel, which provides the necessary strength and durability to withstand the demanding conditions within a heavy-duty truck engine. The key’s semicircular shape and flat surface are designed to fit snugly into the shaft’s groove, offering a secure fit that resists movement and wear.

Benefits of Using the 4982874 Plain Woodruff Key

Using the Cummins 4982874 Plain Woodruff Key offers several advantages. Its durable construction ensures long-lasting performance, reducing the need for frequent replacements. The key’s design enhances the reliability of the engine by securely holding components in place, which contributes to smoother operation and potentially improves fuel efficiency. Additionally, the use of a high-quality key like the 4982874 can lead to reduced maintenance costs over time.

Installation and Maintenance

Proper installation of the Cummins 4982874 Plain Woodruff Key is crucial for its effectiveness. It should be carefully placed into the shaft’s groove, ensuring it is fully seated and aligned correctly. Regular maintenance checks are recommended to ensure the key remains in good condition and is securely in place. Any signs of wear or damage should be addressed promptly to prevent potential engine issues.

Troubleshooting Common Issues

Common problems associated with the Cummins 4982874 Plain Woodruff Key may include wear, misalignment, or damage. If components begin to show signs of slippage or unusual noise, it may indicate an issue with the key. Troubleshooting steps should include inspecting the key for signs of wear or damage, ensuring it is correctly installed, and replacing it if necessary. Regular maintenance and checks can help identify and resolve issues before they lead to more significant problems.

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 strong reputation in the automotive industry, particularly for its heavy-duty truck components. The company’s commitment to innovation, quality, and customer satisfaction has made it a preferred choice for professionals in the field. Cummins’ extensive product range and focus on reliability make its components, like the 4982874 Plain Woodruff Key, valuable for ensuring the performance and durability of heavy-duty engines.

Cummins Plain Woodruff Key 4982874 in Engine Applications

The Cummins Plain Woodruff Key, part number 4982874, is a critical component in various engine configurations, ensuring the proper alignment and operation of rotating parts. This key is integral to the smooth functioning of engines by maintaining the connection between the crankshaft and other rotating components.

B3.3 Engine Series

In the B3.3 engine series, the Plain Woodruff Key 4982874 is used to secure the relationship between the crankshaft and the pulley. This key is essential for transmitting power from the engine to the ancillary components, such as the alternator and the water pump. Its precise fit and durability ensure that the engine operates efficiently and reliably, minimizing the risk of mechanical failure due to misalignment.

The B3.3 engine series is known for its robust design and is commonly used in various industrial and commercial applications. The Plain Woodruff Key 4982874 plays a pivotal role in maintaining the integrity of the engine’s rotating assembly, contributing to the overall performance and longevity of the engine.

Role of Part 4982874 Plain Woodruff Key in Engine Systems

The 4982874 Plain Woodruff Key is an essential component in various engine systems, ensuring the secure and precise alignment of rotating parts. This key is commonly used in the following applications:

• Camshaft: The Woodruff Key is instrumental in maintaining the correct positioning of the camshaft relative to the crankshaft. This alignment is vital for the proper timing of valve operations, which directly influences engine performance and efficiency.

• Connecting Rod and Piston: In the connecting rod assembly, the Woodruff Key ensures that the rod is correctly aligned with the crankshaft journal. This alignment is necessary for the smooth operation of the piston within the cylinder, affecting both the engine’s power output and its longevity.

• Injector Plumbing: When used in injector systems, the Woodruff Key helps in securing the injector nozzle in place, ensuring that fuel delivery is consistent and precise. This is particularly important in high-performance engines where fuel injection timing can significantly impact engine performance.

• Long Block: In a long block assembly, which includes the cylinder block, crankshaft, pistons, and camshaft, the Woodruff Key plays a role in securing various components. Its use ensures that all rotating parts are correctly aligned, which is essential for the overall functionality and performance of the engine.

• Performance Parts: For aftermarket performance parts, the Woodruff Key is often used to enhance the precision and reliability of modified engine components. Whether it’s a high-performance camshaft or a custom crankshaft, the key ensures that these parts operate within the designed parameters, maximizing engine output and reliability.

Conclusion

In summary, the 4982874 Plain Woodruff Key is a fundamental component in ensuring the proper alignment and operation of various engine systems, directly influencing engine performance and durability.