4936183
Rocker Lever Housing
Cummins®

The Cummins Rocker Lever Housing, part number 4936183, is a critical component designed for heavy-duty truck engines. It plays a significant role in the engine’s valve train system, ensuring efficient operation by facilitating the movement of valves in response to camshaft signals.

Basic Concepts of Rocker Lever Housing

Rocker lever housings are integral to the valve train system of an engine. They act as a mechanical linkage that transfers motion from the camshaft to the valves. This transfer is essential for the opening and closing of the valves, which control the intake of air and fuel and the expulsion of exhaust gases. The rocker lever housing provides a stable mounting point for the rocker arms, which in turn interact with the valves and pushrods ¹.

Purpose of the 4936183 Rocker Lever Housing

This Cummins part is specifically designed to enhance the operation of truck engines. It houses the rocker arms, allowing them to pivot and transmit motion from the camshaft to the valves via pushrods. This housing ensures precise and consistent valve operation, which is vital for maintaining engine performance and efficiency. Its design allows for efficient heat dissipation and reduces the likelihood of mechanical failure under the high stresses and temperatures encountered in heavy-duty applications ².

Key Features

The 4936183 Rocker Lever Housing is constructed from high-quality materials, ensuring durability and reliability in demanding environments. Its design includes features such as reinforced mounting points to withstand the high forces exerted during engine operation. The housing is also engineered to provide optimal support for the rocker arms, enhancing their stability and reducing wear. Additionally, the housing is designed to facilitate easy maintenance and replacement, minimizing downtime for heavy-duty trucks ³.

Benefits

This part offers several advantages. It contributes to improved engine efficiency by ensuring precise valve timing and operation. The robust construction of the housing enhances the reliability and longevity of the engine components it supports. In heavy-duty truck applications, this housing helps maintain consistent performance under extreme conditions, reducing the likelihood of unexpected failures and extending the overall lifespan of the engine.

Troubleshooting and Maintenance

Common issues with the 4936183 Rocker Lever Housing may include wear on the mounting points, cracks in the housing, or misalignment of the rocker arms. Regular inspection and maintenance are recommended to identify and address these issues promptly. Maintenance procedures should include checking for signs of wear or damage, ensuring proper alignment of the rocker arms, and verifying the integrity of the mounting points. Timely replacement of worn components can prevent more significant engine problems and ensure continued optimal performance.

Cummins Overview

Cummins Inc. is a renowned manufacturer with a long-standing reputation in the automotive industry for producing high-quality engine components. Founded in 1919, Cummins has built a legacy of innovation and excellence, providing reliable and efficient engine solutions for a variety of applications. The company’s commitment to quality is evident in its rigorous manufacturing processes and dedication to customer satisfaction, making Cummins a trusted name in the industry.

Compatibility

The Cummins Rocker Lever Housing part number 4936183 is designed to fit seamlessly with various Cummins engines, ensuring smooth and reliable operation. Here are the engines and engine groups where this part is compatible:

• B4.5 RGT
• C8.3 RGT
• QSB6.7 RGT

These engines are part of the RGT series, which stands for Rebuilt and Reconditioned Turbocharged engines. The Rocker Lever Housing part 4936183 is engineered to meet the specific requirements of these engines, providing durability and performance.

Component Usage

The 4936183 Rocker Lever Housing is an essential component in the operation of the engine’s valve train system. It is designed to encase and support the rocker lever, which plays a significant role in the mechanical linkage between the camshaft and the valves.

When the camshaft rotates, it actuates the rocker lever through direct contact or via a hydraulic lifter. The rocker lever, in turn, amplifies the motion and transfers it to the valve, causing it to open and close at precise intervals. The Rocker Lever Housing, part 4936183, ensures that the rocker lever remains securely in place and operates within the correct parameters.

This housing also contributes to the overall stability of the valve train by providing a consistent and reliable mounting point for the rocker lever. It helps to maintain the alignment and reduces the potential for wear or damage to the rocker lever and other connected components.

Furthermore, the Rocker Lever Housing is integral in managing the lubrication of the rocker lever. It often incorporates passages or channels that allow oil to flow to the rocker lever, ensuring smooth operation and reducing friction. This lubrication is vital for the longevity and efficiency of the valve train components.

Conclusion

In summary, the 4936183 Rocker Lever Housing is a key element in the engine’s valve train, providing support, stability, and lubrication to the rocker lever, which is fundamental for the proper functioning of the engine’s valve operation. Regular maintenance and timely replacement of worn components are essential to ensure continued optimal performance and longevity of the engine.