3029920
Roll Pin
Cummins®

The Cummins 3029920 Roll Pin is a component designed for use in commercial trucks. Its purpose is to facilitate the secure connection of various parts within the truck’s mechanical system, ensuring efficient operation and reliability. This Cummins part is specifically engineered to meet the demanding requirements of heavy-duty applications, contributing to the overall performance and longevity of truck components.

Basic Concepts of Roll Pins

Roll pins are cylindrical fasteners used to align and secure components in mechanical systems. They function by being pressed into pre-drilled holes that span across two or more parts, holding them in place without the need for additional fasteners. This method allows for precise alignment and reduces the risk of parts shifting during operation. Roll pins are commonly manufactured from materials such as steel, stainless steel, or brass, chosen for their strength, corrosion resistance, and durability. The material selection impacts the roll pin’s performance, with steel offering high strength and brass providing excellent corrosion resistance ¹.

Role of the 3029920 Roll Pin in Truck Operation

The Cummins 3029920 Roll Pin plays a specific role in the operation of a truck by securing components within the engine or transmission system. It ensures that parts remain aligned and stationary relative to each other, which is vital for the efficient transfer of power and the smooth operation of mechanical systems. By maintaining the integrity of these connections, the roll pin contributes to the assembly and functionality of critical truck components, enhancing overall performance and reliability ².

Key Features

The Cummins 3029920 Roll Pin is characterized by its precise design and high-quality material, which enhance its performance and durability. It is manufactured to tight tolerances, ensuring a secure fit within the components it connects. The material used in its construction is selected for its strength and resistance to wear, providing long-lasting performance in demanding applications. Additionally, the roll pin may feature unique characteristics such as a hardened surface or specific dimensions tailored to its application, further enhancing its effectiveness in commercial truck operations.

Benefits

Utilizing the Cummins 3029920 Roll Pin offers several benefits in truck operations. Its design and material contribute to improved reliability, ensuring that components remain securely connected under various operating conditions. The durability of the roll pin reduces the need for frequent replacements, leading to cost savings and increased efficiency. Furthermore, the precise alignment facilitated by the roll pin enhances the performance of mechanical systems, contributing to the overall efficiency and reliability of the truck.

Troubleshooting and Maintenance

Common issues associated with roll pins include wear, misalignment, or damage due to excessive force or corrosion. Troubleshooting these problems involves inspecting the roll pin and the components it connects for signs of wear or damage. Maintenance practices to ensure the longevity and proper function of the 3029920 Roll Pin include regular inspection for signs of wear, ensuring proper alignment during installation, and protecting the roll pin from corrosion through the use of appropriate coatings or materials. Addressing issues promptly and following maintenance guidelines can help prevent more significant problems and ensure the continued reliable operation of the truck.

About Cummins

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 itself as a trusted provider of high-quality components for the commercial truck industry. The company is committed to innovation, quality, and customer satisfaction, continually advancing its product offerings to meet the evolving needs of the transportation sector. Cummins’ dedication to excellence in truck components is evident in its wide range of reliable and efficient products, including the Cummins 3029920 Roll Pin.

Roll Pin 3029920 Compatibility with Cummins Engines

The Roll Pin part number 3029920, manufactured by Cummins, is a crucial component that ensures secure and reliable connections in various engine assemblies. This part is designed to fit seamlessly within the intricate framework of several Cummins engine models, providing stability and durability. Here is a detailed look at its compatibility across different engine series:

ISM Series

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

The ISM series engines, known for their robust performance and efficiency, utilize the Roll Pin 3029920 in various applications. This pin is integral to maintaining the alignment and integrity of moving parts within the engine, ensuring smooth operation and longevity.

L10 Series

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

The L10 series engines, which include both diesel and gas variants, incorporate the Roll Pin 3029920 in their design. This component is essential for the precise movement and connection of engine components, contributing to the overall reliability and performance of the engine.

M11 Series

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The M11 series engines, recognized for their advanced technology and efficiency, also feature the Roll Pin 3029920. This part plays a critical role in the engine’s mechanical integrity, ensuring that all connected parts function correctly and efficiently.

QSM11 Series

• QSM11 CM570
• QSM11 CM876

The QSM11 series engines, which are designed for both performance and durability, utilize the Roll Pin 3029920 in their construction. This pin is essential for maintaining the alignment and connection of various engine components, ensuring optimal engine performance.

Each of these engines, whether part of the ISM, L10, M11, or QSM11 series, relies on the Roll Pin 3029920 to function correctly. This component’s design and material ensure it can withstand the rigors of engine operation, providing a reliable connection that is critical for the engine’s overall performance and longevity.

Role of Part 3029920 Roll Pin in Engine Systems

The part 3029920 Roll Pin is an essential component in various engine systems, facilitating smooth operation and efficient performance. In the context of Base Parts and the Block, the Roll Pin ensures precise alignment and secure fitting of components, which is fundamental for the structural integrity of the engine.

Within the Cylinder Block, the Roll Pin plays a significant role in maintaining the correct positioning of the Cam Follower Lever and the Camshaft Assembly Follower. This alignment is vital for the synchronized movement of the valve train, ensuring that the valves open and close at the correct times.

In the Campaign Kit and Camshaft Kit, the Roll Pin is used to connect the Camshaft Follower to the Cam. This connection allows for the transfer of motion from the camshaft to the followers, which in turn actuate the valves. The Roll Pin’s role here is to provide a low-friction pivot point, reducing wear and enhancing the durability of the camshaft system.

Additionally, the Roll Pin is integral to the operation of the Rocker Lever. By fitting into the fulcrum of the rocker lever, it allows the lever to pivot smoothly, transferring the motion from the camshaft follower to the valve. This ensures that the valve operates with minimal resistance, contributing to the overall efficiency of the engine.

Furthermore, in systems involving the Piston Cooling Nozzle, the Roll Pin may be used to secure the nozzle in place, ensuring it remains aligned with the piston for optimal cooling performance. This is particularly important in high-performance engines where precise cooling is necessary to maintain piston integrity and engine longevity.

In summary, the part 3029920 Roll Pin is a versatile component that enhances the functionality and reliability of various engine systems by providing secure, low-friction connections and precise alignment of critical parts.

Conclusion

The Cummins 3029920 Roll Pin is a vital component in the operation of commercial trucks, ensuring the secure connection of various parts within the mechanical system. Its precise design, high-quality material, and compatibility with multiple Cummins engine series contribute to the overall performance, reliability, and longevity of truck components. Regular maintenance and prompt troubleshooting of issues related to this part are essential for the continued efficient operation of the truck.