3066270
Ring Dowel
Cummins®

The Cummins 3066270 Ring Dowel is a component designed for use in heavy-duty truck engines. Its purpose is to provide precise alignment and secure positioning of various engine components during assembly and operation. This part contributes to the overall efficiency and reliability of the engine by ensuring that components are correctly aligned, which is vital for the smooth operation of the engine ¹.

Basic Concepts of Ring Dowel

A ring dowel is a mechanical fastener used to align and position components within an assembly. It typically consists of a cylindrical body with a flat end that interfaces with mating surfaces. In the context of an engine, ring dowels play a role in maintaining the correct spacing and alignment between components, which is crucial for the engine’s performance and longevity ². They operate by fitting into pre-drilled holes in the engine block or other components, providing a reference point for alignment.

Role of the 3066270 Ring Dowel in Truck Engines

The Cummins 3066270 Ring Dowel is specifically designed to fit into the engine block of heavy-duty trucks. It plays a role in the precise alignment of the cylinder head relative to the engine block. This alignment is important for the proper sealing of the combustion chamber and the efficient operation of the engine. The ring dowel interacts with corresponding holes in the cylinder head and engine block, ensuring that these components are correctly positioned in relation to each other ³.

Key Features

The Cummins 3066270 Ring Dowel is manufactured with specific design considerations to enhance its functionality. It is typically made from high-strength materials to withstand the rigors of engine operation. The design specifications of the ring dowel include dimensions that are tailored to fit precisely within the engine block, ensuring a secure and reliable connection. Additionally, the surface finish of the ring dowel is important for reducing friction and wear during engine operation ⁴.

Benefits

The use of the Cummins 3066270 Ring Dowel in truck engines can lead to several benefits. By ensuring accurate alignment of engine components, it contributes to improved engine performance. The secure positioning provided by the ring dowel can also enhance the durability of the engine, as components are less likely to become misaligned or damaged over time. Furthermore, the reliability of the engine is increased, as the ring dowel helps to maintain consistent component alignment throughout the engine’s operation ⁵.

Troubleshooting and Maintenance

Common issues associated with the Cummins 3066270 Ring Dowel may include wear or damage to the dowel itself, which can affect its ability to align components correctly. Troubleshooting may involve inspecting the ring dowel for signs of wear or damage and replacing it if necessary. Maintenance practices to ensure the longevity and optimal performance of the ring dowel include regular inspection during engine servicing and replacement according to the manufacturer’s recommendations or as part of a scheduled maintenance program ⁶.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the automotive industry, particularly in the production of diesel engines and components. The company’s commitment to excellence is reflected in its products, which are designed to meet the demanding requirements of heavy-duty applications ⁷.

Compatibility with Cummins Engines

The Ring Dowel part number 3066270, manufactured by Cummins, is a critical component that ensures the proper functioning of the piston rings within the engine. This part is designed to maintain the alignment and stability of the piston rings, which is essential for optimal engine performance and longevity.

G855

The G855 engine, known for its robust design and reliability, incorporates the Ring Dowel part 3066270 to ensure that the piston rings maintain their correct position during operation. This helps in reducing wear and tear, thereby extending the engine’s service life ⁸.

N14 CELECT PLUS and N14 MECHANICAL

Both the N14 CELECT PLUS and N14 MECHANICAL engines benefit from the use of the Ring Dowel part 3066270. These engines, which are widely used in various applications, rely on this component to maintain the integrity of the piston rings. The precision engineering of the Ring Dowel ensures that the piston rings operate smoothly, contributing to the overall efficiency and performance of the engine ⁹.

QSN14 CM876 N103 and QSNT14 CM876 N102

The QSN14 CM876 N103 and QSNT14 CM876 N102 engines, which are known for their high power output and durability, also utilize the Ring Dowel part 3066270. This part plays a crucial role in maintaining the alignment of the piston rings, which is vital for the engines’ ability to handle high loads and deliver consistent performance over extended periods ¹⁰.

Role of Part 3066270 Ring Dowel in Engine Systems

The 3066270 Ring Dowel is instrumental in ensuring the precise alignment and secure fitting of various engine components. In the context of the provided components, its role can be understood as follows:

• Lever: The Ring Dowel aids in the accurate positioning of the lever within the engine system. By providing a fixed reference point, it ensures that the lever is correctly aligned, which is essential for the proper functioning of the engine’s mechanical systems.

• Rocker: Similarly, for the rocker, the Ring Dowel plays a significant role in maintaining the alignment. This is particularly important in valve train mechanisms where the rocker’s movement must be consistent and precise to ensure efficient valve operation.

• Mounting Rocker Lever Shaft: When it comes to the mounting of the rocker lever shaft, the Ring Dowel ensures that the shaft is installed at the correct angle and position. This is vital for the smooth operation of the rocker lever and, by extension, the entire valve train system.

• Rocker Lever Housing: The housing of the rocker lever also benefits from the use of the Ring Dowel. It ensures that the housing is securely and accurately positioned, which is necessary for the stability and durability of the rocker lever assembly.

In summary, the 3066270 Ring Dowel is a key component in the assembly and maintenance of these engine parts, contributing to the overall efficiency and reliability of the engine system ¹¹.

Conclusion

The Cummins 3066270 Ring Dowel is a vital component in the assembly and operation of heavy-duty truck engines. By ensuring precise alignment and secure positioning of engine components, this part contributes to the overall efficiency, reliability, and longevity of the engine. Regular maintenance and inspection of the ring dowel are essential to maintain optimal engine performance and prevent potential issues related to misalignment or wear.