3034721
Shaft Retainer
Cummins®

The Cummins 3034721 Shaft Retainer is a component designed to ensure the proper functioning of heavy-duty trucks. It plays a role in maintaining the alignment and stability of rotating shafts within the engine or transmission system. Understanding its purpose and operation is important for ensuring the efficient and reliable performance of these vehicles.

Basic Concepts of Shaft Retainers

A shaft retainer is a mechanical component that secures a shaft in place, preventing it from moving out of its intended position. In the context of a truck’s engine or transmission, shaft retainers are important for maintaining the precise alignment of rotating parts. This alignment is necessary for the smooth operation of the engine, as it ensures that all moving parts interact correctly without undue wear or friction.

Purpose of the 3034721 Shaft Retainer

This Cummins part is specifically designed to maintain the alignment and stability of rotating shafts within a truck’s engine or transmission. By securing the shaft in place, it helps to ensure that the shaft operates within its designed parameters, reducing the risk of misalignment that could lead to increased wear, decreased efficiency, or even failure of the component.

Key Features

This part is characterized by its robust design and the use of high-quality materials. These features contribute to its durability and performance. The retainer is engineered to withstand the high stresses and temperatures encountered in heavy-duty truck applications, ensuring long-term reliability.

Benefits of Using the 3034721 Shaft Retainer

Incorporating this Cummins part into a truck’s engine or transmission system offers several advantages. It contributes to improved efficiency by ensuring that rotating shafts remain aligned, which reduces friction and wear on associated components. Additionally, it enhances the overall performance and reliability of the truck, leading to potentially lower maintenance costs and increased uptime.

Installation and Integration

Proper installation of this part is crucial for its effective operation. The process involves ensuring that the retainer is correctly positioned and secured within the truck’s system. This may require specific tools and adherence to manufacturer guidelines to ensure that the retainer is fitted correctly and functions as intended.

Maintenance and Troubleshooting

Regular maintenance of this part is important for its longevity and optimal performance. This includes periodic inspections for signs of wear or damage and ensuring that it remains securely in place. Common issues may include misalignment or wear, which can often be addressed through readjustment or replacement of the retainer.

Performance Under Various Conditions

This part is designed to perform reliably under a range of operating conditions. It can withstand varying temperatures, load conditions, and driving environments, making it suitable for use in diverse heavy-duty truck applications. Its robust design and high-quality materials ensure that it maintains its function and integrity even under demanding conditions.

Compatibility and Applications

This part is compatible with a variety of heavy-duty trucks and engine models. Its versatility makes it a valuable component in the industry, suitable for use in a wide range of applications where reliable shaft retention is required.

Cummins: A Brief Overview

Cummins Inc. is a global leader in the design, manufacture, and distribution of engines and related technologies. With a history of innovation and quality, Cummins has established a strong reputation in the automotive and heavy-duty truck industry. The company’s commitment to excellence is reflected in its wide range of products, including the 3034721 Shaft Retainer, which is trusted by professionals for its reliability and performance ¹.

Cummins Shaft Retainer Part 3034721 Compatibility

The Cummins Shaft Retainer part number 3034721 is designed to fit a variety of Cummins engines, ensuring secure retention of the shaft within the engine assembly. This part is integral to maintaining the operational integrity of the engine by preventing shaft displacement, which could lead to severe mechanical failures.

K19 Series

The K19 engine series benefits from the use of the Shaft Retainer part 3034721. This part is engineered to fit seamlessly within the K19 engine’s design, providing reliable retention and contributing to the engine’s overall performance and longevity.

KTA19 Series

For the KTA19GC engines, the Shaft Retainer part 3034721 is a critical component. This part is specifically designed to fit the KTA19GC, ensuring that the shaft remains securely in place, which is essential for the engine’s smooth operation.

QSK19 Series

The QSK19 engines, including the QSK19 CM2350 K105, QSK19 CM2350 K114, QSK19 CM2350 K144G, QSK19 CM500, and QSK19 CM850 MCRS, all utilize the Shaft Retainer part 3034721. This part is compatible with the QSK19 series, providing a robust solution for shaft retention across these various engine models. The design ensures that the shaft is held firmly, which is crucial for the high-performance demands of these engines.

QSK19G Series

The QSK19G engine also incorporates the Shaft Retainer part 3034721. This part is tailored to fit the QSK19G engine, ensuring that the shaft is retained securely, which is vital for the engine’s performance and reliability.

Role of Part 3034721 Shaft Retainer in Engine Systems

The Shaft Retainer, identified by part number 3034721, is an integral component in various engine systems, ensuring the proper functioning and alignment of several key parts.

In the context of a Gear Cover Conversion Kit, the Shaft Retainer plays a significant role in maintaining the structural integrity of the gear cover. It ensures that the shaft remains securely in place, preventing any misalignment that could lead to gear damage or failure.

When dealing with a Gear Cover Conv. Kit, the Shaft Retainer is essential for the smooth operation of the conversion process. It helps in securing the shaft during the installation or modification of the gear cover, ensuring that all moving parts interact correctly.

For On Board Spares, the Shaft Retainer is often included to facilitate quick repairs. It allows for the easy replacement of a failed shaft, minimizing downtime and ensuring that the engine can be quickly returned to operational status.

In the assembly of a Pump, particularly a Water Pump, the Shaft Retainer is vital. It secures the Water Pump Shaft in place, ensuring that the shaft does not wobble or move out of alignment, which could impair the pump’s efficiency and lead to overheating issues.

The Water Pump Top Level Assembly Shaft also benefits from the presence of the Shaft Retainer. It ensures that the top-level components of the water pump are held firmly in place, allowing for consistent water flow and preventing leaks that could damage the engine.

Overall, the Shaft Retainer (part 3034721) is a key component in maintaining the alignment and operational efficiency of various engine systems, from gear covers to water pumps ².

Conclusion

The Cummins 3034721 Shaft Retainer is a critical component in the maintenance and operation of heavy-duty trucks. Its role in ensuring the alignment and stability of rotating shafts within the engine or transmission system is vital for the efficient and reliable performance of these vehicles. With its robust design, high-quality materials, and compatibility with a variety of engine models, this part offers significant benefits in terms of efficiency, performance, and reliability. Proper installation, regular maintenance, and understanding its role in various engine systems are key to maximizing the benefits of this Cummins part.