4090592
Rocker Lever
Cummins®

The Cummins 4090592 Rocker Lever is a component designed for use in commercial truck engines. It plays a role in the engine’s operation by facilitating the movement of the valves in synchronization with the camshaft. This ensures that the engine’s air and fuel intake and exhaust processes occur at the correct times, contributing to the overall efficiency and performance of the truck ².

Basic Concepts of Rocker Levers

A rocker lever, also known as a rocker arm, is a pivotal component in an engine’s valve train system. Its function is to transfer motion from the camshaft to the valves. When the camshaft lobe pushes on one end of the rocker lever, the opposite end moves in the opposite direction, opening or closing the valve. This mechanism allows for precise control over the valve’s operation, which is important for the engine’s performance ¹.

Purpose of the 4090592 Rocker Lever

This Cummins part is specifically engineered to interact with the valves and camshaft in Cummins engines. It amplifies the motion from the camshaft to ensure that the valves open and close with the necessary force and precision. This interaction is vital for maintaining the engine’s combustion efficiency and ensuring that the air-fuel mixture is properly managed throughout the engine’s operation ².

Key Features

The 4090592 is constructed with high-quality materials to withstand the demanding conditions within a commercial truck engine. Its design includes features that provide mechanical advantages, such as a robust pivot point and precise geometry, which contribute to its durability and performance. The lever’s unique attributes are tailored to enhance engine efficiency and reliability ³.

Benefits

The advantages of the 4090592 include improved engine efficiency due to its precise valve actuation. Its durable construction contributes to the engine’s longevity, while its reliable operation ensures consistent performance. These benefits are particularly important in commercial truck applications, where engine uptime and efficiency are important.

Installation and Compatibility

Proper installation of the 4090592 is important to ensure it functions correctly within the engine. This involves following manufacturer guidelines to avoid issues such as improper valve clearance or misalignment. Compatibility with specific engine models and configurations should be verified to ensure optimal performance and integration within the engine system.

Maintenance and Troubleshooting

Routine maintenance of the 4090592 is important to maintain its performance and longevity. This includes regular inspections for wear and proper lubrication. Common issues may include noise from the valve train, which could indicate a problem with the rocker lever or related components. Troubleshooting steps may involve checking for proper clearances and ensuring that all components are in good condition.

Performance Enhancements

While the 4090592 is designed for reliable operation, there may be opportunities for performance enhancements through upgrades or modifications. These could include adjustments to valve spring pressure or the use of higher-performance materials, depending on the specific requirements and modifications of the engine.

Cummins Corporation

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its wide range of engine and power generation products. The company has a reputation for producing high-quality, reliable components that are designed to meet the demanding requirements of commercial applications. Cummins’ commitment to innovation and customer satisfaction has solidified its position as a leader in the industry.

Rocker Lever 4090592 Compatibility with Cummins Engines

The Rocker Lever part number 4090592, manufactured by Cummins, is designed to fit seamlessly into several of their engine models. This component is important for the proper functioning of the engine’s valve train, ensuring that the valves open and close at the correct times.

K19 Engines

The Rocker Lever 4090592 is compatible with the K19 engine series. This engine is known for its robust design and reliability, often used in heavy-duty applications. The part ensures smooth operation of the valve train, contributing to the engine’s overall efficiency and longevity.

KTA19GC Engines

The KTA19GC engine series also benefits from the Rocker Lever 4090592. This engine is widely used in various industrial applications due to its high performance and durability. The rocker lever’s precise fit and function are important for maintaining the engine’s operational integrity.

KTA19GC CM558 Engines

For the KTA19GC CM558 engine, the Rocker Lever 4090592 is a critical component. This specific model is often employed in demanding environments where reliability and performance are paramount. The rocker lever’s role in the valve train mechanism is vital for ensuring that the engine operates smoothly and efficiently.

Part 4090592 Rocker Lever Component Usage

The part 4090592 Rocker Lever is an integral component in the operation of various engine systems. It is designed to work in conjunction with several other components to ensure the efficient and smooth functioning of the engine.

Interaction with the Lever and Rocker

The Rocker Lever, identified by part number 4090592, interfaces directly with the lever and rocker components. Its primary function is to amplify the small movements of the camshaft into larger movements that can effectively open and close the engine’s valves. This amplification is important for maintaining the precise timing required for optimal engine performance.

Connection to the Base

The base of the engine system provides the foundational structure upon which the Rocker Lever operates. The lever is mounted on the base, allowing it to pivot and transfer motion from the camshaft to the valves. The stability and alignment of the base are important for the accurate functioning of the Rocker Lever, ensuring that the valve operations are consistent and reliable.

Integration with Other Parts

In addition to the lever and base, the Rocker Lever interacts with various other parts within the engine system. These parts include pushrods, which transmit motion from the camshaft to the Rocker Lever, and valve springs, which return the valves to their closed position after being opened. The Rocker Lever must be compatible with these parts to maintain the integrity of the valve train system.

Role in the Engine System

Within the engine system, the Rocker Lever plays a significant role in the valve actuation process. It ensures that the valves open and close at the correct times, which is important for the intake and exhaust cycles of the engine. The efficiency of this process directly impacts the engine’s performance, fuel efficiency, and emissions.

Conclusion

In summary, the 4090592 Rocker Lever is a key component that works in harmony with the lever, rocker, base, and other parts to facilitate the precise and efficient operation of the engine’s valve train system. Its role in ensuring the correct timing of valve operations is crucial for the overall performance and reliability of Cummins engines.