4059288
Rocker Lever Shaft
Cummins®

The Rocker Lever Shaft 4059288, manufactured by Cummins, is a vital component in the operation of commercial trucks. Cummins, a well-established name in the automotive industry, is renowned for its high-quality engine components. The 4059288 Rocker Lever Shaft is integral to the efficient functioning of truck engines, ensuring optimal performance and reliability.

Basic Concepts of Rocker Lever Shafts

A Rocker Lever Shaft is a mechanical component found in internal combustion engines. Its primary function is to transfer motion from the camshaft to the valves. This transfer is achieved through a series of levers and pivots, allowing the camshaft to open and close the engine valves at precise intervals. The Rocker Lever Shaft interacts closely with the camshaft and valve train, playing a role in the engine’s valve operation mechanism ¹.

Purpose of the 4059288 Rocker Lever Shaft

The 4059288 Rocker Lever Shaft is designed to facilitate the opening and closing of valves in a truck engine. It works in conjunction with the camshaft, which provides the initial motion. As the camshaft rotates, it pushes against the rocker lever, which then pivots and opens the corresponding valve. This precise timing is essential for the engine’s combustion process, ensuring that air and fuel are admitted and expelled at the correct moments. The interaction between the rocker lever shaft, valves, and camshaft is fundamental to the engine’s overall performance ².

Key Features

The 4059288 Rocker Lever Shaft is engineered with specific design and material characteristics to enhance its performance and durability. It is typically made from high-strength alloy steel, which provides the necessary resilience to withstand the high stresses and temperatures within an engine. The shaft is precision-machined to ensure smooth operation and minimal friction. Additionally, it features hardened and ground contact surfaces to resist wear and maintain consistent performance over time.

Benefits

The 4059288 Rocker Lever Shaft offers several advantages that contribute to improved engine efficiency, reliability, and longevity. Its robust construction ensures durability under demanding conditions, while its precise engineering enhances the engine’s overall performance. The shaft’s design helps to reduce friction and wear, leading to smoother valve operation and increased engine lifespan. Furthermore, the high-quality materials used in its construction contribute to its reliability, making it a valuable component in commercial truck engines ³.

Installation Process

Installing the 4059288 Rocker Lever Shaft requires careful attention to detail and the use of appropriate tools. Begin by ensuring the engine is clean and free of debris. Remove the old rocker lever shaft, taking note of its orientation and any specific mounting features. Carefully align the new shaft with the camshaft and valve train, ensuring it is properly seated. Use the recommended torque specifications when tightening fasteners to avoid overtightening, which could damage the component. Finally, perform a thorough inspection to confirm that the shaft is installed correctly and that all connections are secure.

Common Issues and Troubleshooting

Rocker Lever Shafts can encounter several typical problems, including wear, misalignment, and noise. Diagnostic methods involve listening for unusual sounds during engine operation, inspecting for visible signs of wear or damage, and checking the alignment of the shaft with the camshaft and valves. Potential solutions may include realigning the shaft, replacing worn components, or addressing any underlying issues that could be causing premature wear. Regular inspections and maintenance can help identify and resolve these issues before they lead to more significant problems.

Maintenance Tips

To ensure the longevity and optimal performance of the 4059288 Rocker Lever Shaft, regular maintenance is essential. This includes periodic inspections for signs of wear or damage, ensuring proper alignment with the camshaft and valves, and lubricating moving parts to reduce friction. Additionally, maintaining the engine’s overall cleanliness and following the manufacturer’s recommended service intervals will help prevent issues and extend the life of the rocker lever shaft.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and power generation products. Founded in 1919, Cummins has a long-standing reputation for innovation, quality, and reliability in the commercial truck industry. The company’s extensive product range and commitment to customer satisfaction have established it as a trusted name among fleet operators and engine manufacturers worldwide.

Compatibility of Rocker Lever Shaft Part 4059288 with Cummins Engines

The Rocker Lever Shaft part 4059288, manufactured by Cummins, is designed to fit a range of Cummins engines. This part is integral to the engine’s valve train system, ensuring the proper operation of the engine’s valves. Below is a detailed description of its compatibility across various engine models:

ISX Series Engines

• ISX CM570
• ISX CM870
• ISX CM871

The Rocker Lever Shaft part 4059288 is compatible with the ISX series engines, including the ISX CM570, ISX CM870, and ISX CM871. These engines are known for their robust performance and reliability, often used in heavy-duty applications.

ISX15 Series Engines

• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101

The ISX15 series engines, such as the ISX15 CM2250, ISX15 CM2250 SN, and ISX15 CM2350 X101, also utilize the Rocker Lever Shaft part 4059288. These engines are part of the newer generation of Cummins ISX engines, offering improved efficiency and power.

QSX15 Series Engines

• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

The QSX15 series engines, including the QSX15 CM2250, QSX15 CM2250 ECF, and QSX15 CM2350 X105, are compatible with the Rocker Lever Shaft part 4059288. These engines are designed for applications requiring high torque and durability.

X15 Series Engines

• X15 CM2350 X116B
• X15 CM2350 X123B

The X15 series engines, specifically the X15 CM2350 X116B and X15 CM2350 X123B, also fit the Rocker Lever Shaft part 4059288. These engines are engineered for demanding environments, providing exceptional performance and reliability.

This compatibility ensures that the Rocker Lever Shaft part 4059288 can be used across a wide range of Cummins engines, providing a reliable and efficient solution for maintaining the engine’s valve train system.

Part 4059288 Rocker Lever Shaft Component Usage

The part 4059288 Rocker Lever Shaft is an integral component in the operation of the rocker lever top-level assembly. This shaft facilitates the mechanical linkage between the camshaft and the rocker lever, ensuring efficient transfer of motion.

When the camshaft rotates, it actuates the rocker lever through the Rocker Lever Shaft. This motion is then transmitted to the valve, allowing it to open and close at precise intervals. The Rocker Lever Shaft must be properly aligned and secured within the rocker lever top-level assembly to maintain the integrity of the valve train system.

In the rocker lever top-level assembly, the Rocker Lever Shaft interacts with various components to ensure smooth operation. The lever, attached to the shaft, amplifies the motion from the camshaft, providing the necessary force to open the valve. The rocker, supported by the shaft, pivots to transfer this motion effectively.

Proper installation and maintenance of the Rocker Lever Shaft are essential for the reliable performance of the engine. Any misalignment or wear on the shaft can lead to inefficient valve operation, potentially causing engine performance issues. Therefore, understanding the role of the Rocker Lever Shaft within the rocker lever top-level assembly is key to ensuring the engine operates smoothly and efficiently.

Conclusion

The 4059288 Rocker Lever Shaft is a critical component in the operation of Cummins engines, ensuring efficient valve operation and overall engine performance. Its robust construction, precise engineering, and compatibility with a wide range of Cummins engines make it a valuable asset for commercial truck applications. Regular maintenance and proper installation are essential to maximize the longevity and reliability of this Cummins part.