4298640
Rocker Lever
Cummins®

The 4298640 Rocker Lever, manufactured by Cummins, is a component integral to the operation of commercial trucks. Cummins, a well-established name in the industry, is known for its commitment to quality and innovation in engine technology. This Cummins part is designed to enhance the efficiency and reliability of truck engines, playing a significant role in their overall performance.

Basic Concepts of Rocker Levers

A rocker lever is a mechanical component that amplifies motion or force. In the context of an engine, it typically connects the camshaft to the valves, facilitating the opening and closing of the valves in synchronization with the engine’s operation. The rocker lever operates by converting the rotational motion of the camshaft into the linear motion required to actuate the valves ¹.

Purpose of the 4298640 Rocker Lever

The 4298640 Rocker Lever is specifically designed to interact with other engine components to ensure precise valve operation. It plays a role in transferring motion from the camshaft to the valves, allowing for controlled intake and exhaust processes. This interaction is crucial for maintaining the engine’s efficiency and performance ².

Key Features

The 4298640 Rocker Lever is characterized by several key features that enhance its performance. It is constructed from high-quality materials to ensure durability and reliability. The design includes precise engineering to facilitate smooth operation and reduce wear. Additionally, it may feature unique characteristics such as optimized geometry for better leverage and reduced friction, contributing to its overall effectiveness ³.

Benefits

The advantages of the 4298640 Rocker Lever include improved engine efficiency, enhanced durability, and increased reliability. By ensuring precise valve operation, it contributes to better fuel efficiency and overall engine performance. Its robust construction allows it to withstand the rigors of commercial truck operation, providing long-lasting service ⁴.

Installation and Compatibility

Proper installation of the 4298640 Rocker Lever is important for ensuring its effectiveness and compatibility with various truck models. It is important to follow manufacturer guidelines to ensure correct fitment and operation. Specific requirements may include torque specifications and alignment checks to guarantee optimal performance ⁵.

Maintenance and Troubleshooting

Regular maintenance practices are recommended to ensure the longevity and optimal performance of the 4298640 Rocker Lever. This may include periodic inspections for wear and proper lubrication. Common issues that may arise include noise or reduced efficiency, which can often be addressed through routine maintenance or, if necessary, replacement of worn components ⁶.

Performance Impact

The 4298640 Rocker Lever influences the overall performance of the truck engine by ensuring precise valve timing and operation. This contributes to improved fuel efficiency, enhanced power output, and smoother engine operation. Its role in the valve train system is integral to maintaining the engine’s performance standards ⁷.

Safety Considerations

When handling, installing, or maintaining the 4298640 Rocker Lever, it is important to observe safety guidelines and precautions. This includes using appropriate personal protective equipment, ensuring the engine is properly secured, and following all manufacturer recommendations to prevent injury and ensure safe operation ⁸.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product range includes engines, filtration systems, and other components designed to enhance the performance and reliability of commercial vehicles. Cummins’ commitment to quality and customer satisfaction is evident in its extensive product offerings and support services.

Compatibility of Rocker Lever Part 4298640 with Cummins Engines

The Rocker Lever part 4298640, manufactured by Cummins, is designed to fit a variety of their engine models. This part is integral to the engine’s valve train system, ensuring proper valve operation and overall engine performance. Below is a detailed breakdown of the engines with which this rocker lever is compatible:

ISX Series Engines

• ISX CM570
• ISX CM870
• ISX CM871
• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101

The ISX series engines, including the ISX CM570, ISX CM870, ISX CM871, ISX15 CM2250, ISX15 CM2250 SN, and ISX15 CM2350 X101, all utilize the Rocker Lever part 4298640. This compatibility ensures that the rocker lever functions effectively across various configurations within the ISX series.

QSX Series Engines

• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

The QSX15 CM2250, QSX15 CM2250 ECF, and QSX15 CM2350 X105 engines are also compatible with the Rocker Lever part 4298640. This part is engineered to meet the specific requirements of these engines, ensuring reliable valve operation and performance.

X15 Series Engines

• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

The X15 series engines, including the X15 CM2350 X116B, X15 CM2350 X123B, and X15 CM2450 X134B, are designed to work with the Rocker Lever part 4298640. This compatibility ensures that the rocker lever is suitable for the unique specifications of these engines, providing consistent and reliable performance.

Each of these engines relies on the Rocker Lever part 4298640 to maintain the integrity of the valve train system, ensuring that the engine operates smoothly and efficiently.

Role of Part 4298640 Rocker Lever in Engine Systems

The part 4298640 Rocker Lever is an integral component within the engine’s valve train system, facilitating the conversion of the camshaft’s rotational motion into the linear motion required to open and close the engine’s valves. This conversion is essential for the intake and exhaust processes, which are fundamental to the engine’s operation.

When the camshaft lobe rotates and comes into contact with the rocker lever, it exerts force on the rocker lever’s fulcrum point. This force is then transferred through the rocker lever to push down on the valve stem, opening the valve. The rocker lever top-level assembly, which includes the rocker lever, plays a significant role in this mechanism by ensuring precise and efficient valve actuation.

The rocker lever top-level assembly is designed to maintain the correct geometry and alignment between the camshaft and the valves. This assembly often includes components such as the rocker arm, pivot, and any necessary mounting hardware. The precise fit and function of part 4298640 within this assembly are vital for maintaining the engine’s performance and longevity.

In summary, the part 4298640 Rocker Lever, as part of the rocker lever top-level assembly, ensures that the camshaft’s motion is accurately translated into valve movement, contributing to the engine’s overall efficiency and reliability.

Conclusion

The 4298640 Rocker Lever is a critical component in the valve train system of Cummins engines, ensuring precise valve operation and contributing to the overall efficiency and reliability of the engine. Its compatibility with various Cummins engine models, combined with its robust construction and precise engineering, makes it an essential part for maintaining optimal engine performance.