4947594
Idler Shaft
Cummins®

The Cummins 4947594 Idler Shaft is a component designed for use in heavy-duty truck engines. Its purpose is to facilitate efficient engine operation by maintaining proper alignment and tension within the engine’s components. This part is integral to the smooth functioning of the engine, ensuring that power is distributed effectively and that components remain properly aligned.

Basic Concepts of Idler Shafts

An idler shaft is a mechanical component that plays a role in maintaining the alignment and tension of various parts within a system. In the context of an engine, idler shafts help to keep belts and other moving parts properly aligned and under the correct amount of tension. This ensures that power is transmitted efficiently and that components operate smoothly without undue wear or strain ¹.

Purpose of the 4947594 Idler Shaft

The Cummins 4947594 Idler Shaft is specifically designed to assist in the operation of truck engines. It plays a role in the distribution of power by ensuring that belts and other components remain properly aligned and under the correct tension. This helps to maintain the efficiency of the engine and reduces the likelihood of wear on other components ².

Key Features

The Cummins 4947594 Idler Shaft is characterized by its robust design and the use of high-quality materials. These features contribute to its performance and durability. The shaft is engineered to withstand the rigors of heavy-duty truck operation, ensuring reliable performance over time.

Benefits

Using the Cummins 4947594 Idler Shaft can lead to improved engine efficiency, as it helps to ensure that power is distributed effectively. Additionally, by maintaining proper alignment and tension, it reduces wear on other components, enhancing the overall reliability of the engine. These benefits contribute to the longevity and performance of the truck ³.

Installation and Integration

Proper installation of the Cummins 4947594 Idler Shaft is important for ensuring optimal performance. It should be installed according to the manufacturer’s guidelines, taking into account any prerequisites or considerations for integration with other engine components. This ensures that the idler shaft functions as intended within the engine system.

Troubleshooting and Maintenance

Common issues related to the Cummins 4947594 Idler Shaft may include noise, vibration, or abnormal wear. Troubleshooting these issues involves inspecting the shaft and its associated components for signs of damage or misalignment. Regular maintenance, such as checking for proper tension and alignment, can help to ensure the longevity and efficient operation of the idler shaft.

Common Failure Modes

Idler shafts, including the Cummins 4947594, may experience common failure modes such as bearing wear, misalignment, or belt slippage. These issues can be caused by factors like improper installation, lack of maintenance, or excessive wear. Identifying and addressing these problems early can help to prevent further damage to the engine.

Performance Enhancements

There are potential performance enhancements or upgrades available for the Cummins 4947594 Idler Shaft, including aftermarket options and modifications. These can improve engine performance by enhancing the efficiency of power distribution and reducing wear on other components.

Cummins Overview

Cummins Inc. is a well-established company in the automotive industry, known for its production of heavy-duty truck components. With a history of innovation and quality, Cummins has built a reputation for manufacturing reliable and high-performance parts, including the Cummins 4947594 Idler Shaft.

Idler Shaft 4947594 Compatibility with Cummins Engines

The Idler Shaft part number 4947594, manufactured by Cummins, is designed to fit seamlessly within a range of Cummins engines. This part is integral to the engine’s operation, ensuring smooth and efficient performance. Below is a detailed look at its compatibility with specific Cummins engines:

ISB CM2150

The Idler Shaft 4947594 is engineered to integrate perfectly with the ISB CM2150 engine. This engine is known for its robust design and reliability, making it a popular choice in various applications. The idler shaft’s role in this engine is to maintain proper tension and alignment of the timing belt, ensuring that the engine runs smoothly and efficiently.

ISB6.7 CM2250 and ISB6.7 CM2350 B101

The Idler Shaft 4947594 is also compatible with the ISB6.7 CM2250 and ISB6.7 CM2350 B101 engines. These engines are part of the Cummins ISB6.7 series, which is renowned for its power and durability. The idler shaft in these engines performs a similar function as in the ISB CM2150, maintaining the timing belt’s tension and alignment. This ensures that the engine operates at peak performance, reducing wear and tear on other components.

By using the Idler Shaft 4947594 in these engines, users can expect enhanced reliability and longevity, as this part is specifically designed to meet the demands of these high-performance engines.

Role of Part 4947594 Idler Shaft in Engine Systems

The 4947594 Idler Shaft is a component in maintaining the proper function and alignment of various engine systems. Its primary role is to support and guide the drive belt, ensuring efficient power transmission between different engine components.

Interaction with the Drive System

In the drive system, the 4947594 Idler Shaft helps maintain tension on the drive belt. This is vital for the seamless operation of components such as the water pump and other auxiliary systems. By keeping the belt properly aligned and tensioned, the Idler Shaft ensures that power is consistently transmitted, reducing the risk of belt slippage or failure.

Supporting the Water Pump Drive

The water pump drive relies on a consistent and reliable belt tension to function correctly. The 4947594 Idler Shaft plays a significant role here by providing the necessary support to the drive belt. This ensures that the water pump operates efficiently, maintaining proper coolant circulation throughout the engine. Effective coolant circulation is essential for regulating engine temperature and preventing overheating.

Coordination with the Idler Pulley

The 4947594 Idler Shaft works in conjunction with the idler pulley to manage the path of the drive belt. The idler pulley changes the direction of the belt, and the Idler Shaft assists in maintaining the correct tension and alignment. This collaboration is key to the smooth operation of the entire belt-driven system, ensuring that all connected components receive the necessary power without interruptions.

Importance of Location

The precise location of the 4947594 Idler Shaft within the engine compartment is also significant. It is strategically positioned to offer the best support and tension to the drive belt as it moves between the crankshaft, water pump, and other pulleys. This optimal placement ensures that the belt remains in the correct path, minimizing wear and tear on both the belt and the components it drives.

Conclusion

In summary, the 4947594 Idler Shaft is a fundamental component in the engine’s drive system, playing a key role in the efficient operation of the water pump drive and other belt-driven accessories. Its proper function is essential for the overall performance and reliability of the engine.