4922591
Coupling Disc
Cummins®

The 4922591 Coupling Disc, manufactured by Cummins, is a component designed for use in heavy-duty truck operations. Cummins, a well-established name in the automotive and heavy-duty truck industries, produces this coupling disc to enhance the efficiency and reliability of truck drivetrains. Understanding the role and functionality of this Cummins part is important for maintaining and optimizing the performance of heavy-duty trucks.

Basic Concepts of Coupling Discs

A coupling disc is a mechanical component that facilitates the transfer of power and motion between two shafts or components within a system. Its primary function is to connect rotating parts, allowing them to operate in unison while accommodating slight misalignments and absorbing shocks. This ensures smooth operation and reduces wear on connected components ¹.

Role of the 4922591 Coupling Disc in Truck Operation

Within the drivetrain of a heavy-duty truck, the 4922591 Coupling Disc plays a specific role by connecting the transmission to the driveshaft. This connection is vital for transmitting power from the engine to the wheels, enabling the truck to move. The coupling disc is positioned between these components and interacts with them to ensure efficient power transfer, accommodating any misalignments that may occur due to the truck’s operation on varied terrains ².

Key Features of the 4922591 Coupling Disc

The 4922591 Coupling Disc is engineered with specific design and material characteristics to enhance its performance and durability. It is constructed from high-strength materials that can withstand the rigors of heavy-duty truck operations. The disc’s dimensional specifications are precise, ensuring a proper fit within the drivetrain. Additionally, unique design elements may include features that improve alignment, reduce vibration, and enhance the overall efficiency of power transmission ³.

Benefits of Using the 4922591 Coupling Disc

The use of the 4922591 Coupling Disc offers several advantages. It contributes to improved efficiency in power transmission, ensuring that the engine’s power is effectively transferred to the wheels. The disc’s design enhances the reliability of the drivetrain, reducing the likelihood of unexpected failures. Additionally, it may offer performance enhancements over alternative components, such as better shock absorption and reduced wear on connected parts.

Installation and Integration

Proper installation of the 4922591 Coupling Disc is important for ensuring its correct function within the truck’s drivetrain. Installation guidelines typically include prerequisites such as ensuring the mating surfaces are clean and free of debris. Tools required may include torque wrenches for securing bolts to the manufacturer’s specifications. Following the recommended steps ensures that the coupling disc is correctly integrated, maintaining the integrity of the drivetrain.

Maintenance and Troubleshooting

Routine maintenance practices are important for prolonging the lifespan of the 4922591 Coupling Disc. This may include regular inspections for signs of wear or damage, ensuring that all connections are secure, and cleaning the disc to remove any contaminants. Common issues that may arise include misalignment or excessive wear, which can be diagnosed through visual inspection and operational testing. Potential solutions may involve realigning components or replacing worn parts.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the automotive and heavy-duty truck industries, known for its wide range of products including engines, filtration systems, and drivetrain components. With a history of innovation and quality, Cummins has established a strong reputation for producing reliable and high-performance parts. The company’s commitment to excellence is reflected in its product offerings, including the 4922591 Coupling Disc, which is designed to meet the demanding requirements of heavy-duty truck operations.

Compatibility with Cummins Engines

The 4922591 Coupling Disc is designed to fit seamlessly with several Cummins engine models. This part is crucial for ensuring the proper connection and operation of the engine’s components. Below is a detailed description of its compatibility with various Cummins engines:

G855 and GTA38 G CMEICS G116C Engines

The 4922591 is engineered to fit the G855 and GTA38 G CMEICS G116C engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The coupling disc ensures a secure and efficient connection between the engine and its auxiliary components, maintaining the integrity of the power transmission system.

KTA19GC and N14 G Engines

Similarly, the KTA19GC and N14 G engines are compatible with the 4922591. These engines are widely recognized for their durability and efficiency, making them suitable for various industrial applications. The coupling disc plays a vital role in these engines by providing a reliable interface that minimizes wear and ensures smooth operation.

Grouping of Compatible Engines

The engines listed above can be grouped based on their typical applications and performance characteristics. The G855 and GTA38 G CMEICS G116C engines are often used in heavy-duty industrial settings, while the KTA19GC and N14 G engines are favored for their versatility and efficiency in both industrial and transportation sectors. The 4922591 is designed to meet the demands of these varied applications, ensuring optimal performance and longevity.

Role of 4922591 in Engine Systems

The 4922591 is an integral component that facilitates the smooth operation of various engine systems. It serves as a vital link in the drive mechanism, ensuring efficient power transmission from the engine to the front gear train accessory. This accessory, in turn, powers essential components such as the generator, which relies on consistent and reliable rotational force to produce electricity.

In the context of generator mounting, the Coupling Disc ensures that the generator remains securely attached and operates in sync with the engine’s rotational speed. This synchronization is essential for stable power output and prevents mechanical stress on the generator.

The governor system benefits from the precise control offered by the Coupling Disc. By maintaining a consistent connection between the engine and the governor, it helps in regulating the engine speed, ensuring it operates within the desired parameters. This is particularly important in fuel management, as stable engine speed contributes to efficient fuel consumption and reduced emissions.

Furthermore, the Coupling Disc plays a role in the fuel module by ensuring that the fuel pump, which is often driven by the engine, receives a steady supply of power. This consistency is vital for the fuel module to deliver the correct fuel-air mixture to the engine, enhancing performance and reliability.

In engine control systems, the Coupling Disc aids in the seamless integration of various sensors and actuators. It ensures that these components receive the necessary rotational input to function correctly, contributing to the overall efficiency and responsiveness of the engine control system.

Lastly, in ignition systems, the Coupling Disc ensures that the ignition components, such as the distributor or direct ignition coils, receive a consistent drive. This consistency is essential for timely spark delivery, which is critical for combustion efficiency and engine performance.

Conclusion

The 4922591 Coupling Disc by Cummins is a critical component in the drivetrain of heavy-duty trucks, ensuring efficient power transmission and reliable operation. Its design and material characteristics enhance durability and performance, making it a valuable part for maintaining and optimizing truck performance. Proper installation, routine maintenance, and understanding its role within engine systems are essential for maximizing the benefits of this Cummins part.