4939740
Air Transfer Pipe
Cummins®

The Cummins 4939740 Air Transfer Pipe is a component designed for use in commercial trucks. It serves a specific function within the vehicle’s air management system, contributing to the overall efficiency and performance of the truck. Understanding its purpose and significance is key to maintaining and optimizing the operation of commercial vehicles.

Basic Concepts of Air Transfer Pipes

An Air Transfer Pipe is a conduit that facilitates the movement of air within a truck’s system. It plays a role in ensuring that air is distributed efficiently to various components that require it for operation. This includes parts of the engine and other systems that depend on a consistent air supply to function correctly. The efficiency of air distribution can impact the performance and longevity of the truck’s engine and other air-dependent systems ¹.

Purpose of the 4939740 Air Transfer Pipe

This Cummins part is integral to the air management system of a truck. It is responsible for directing air to where it is needed, ensuring that the engine and other components receive the appropriate amount of air for combustion and operation. This part helps maintain the balance of air pressure and flow within the system, which is vital for the truck’s performance ².

Key Features

The 4939740 is constructed from materials that are resistant to the high temperatures and pressures found within a truck’s engine compartment. Its design includes features that enhance its durability and efficiency, such as reinforced connections and a smooth interior to reduce air resistance. These attributes contribute to the pipe’s ability to withstand the demands of commercial truck operation ³.

Benefits

The use of the 4939740 offers several advantages. It provides improved air flow, which can lead to better engine performance. Its durable construction ensures a longer service life, reducing the need for frequent replacements. Additionally, the pipe contributes to the overall efficiency of the air management system, which can result in enhanced truck operation.

Installation Considerations

When installing the 4939740, it is important to follow manufacturer guidelines to ensure proper fit and function. This may include checking for compatibility with the truck’s existing system and ensuring that all connections are secure. Special instructions may be provided to avoid common installation pitfalls that could affect performance.

Maintenance and Troubleshooting

Routine maintenance of the 4939740 involves inspecting it for signs of wear or damage and ensuring that all connections are tight. Troubleshooting common issues may involve checking for leaks in the air system or verifying that the pipe is not obstructed. Regular maintenance can help ensure the longevity and optimal performance of the pipe.

Compatibility and Applications

The 4939740 is designed for use with specific types of trucks and engine models. It is applied in various commercial settings where reliable air management is crucial for the operation of the vehicle. Understanding its compatibility with different systems is important for ensuring that it functions as intended.

Compatibility with Cummins Engines

The 4939740 is designed to fit a variety of Cummins engines, ensuring optimal air flow and performance. Here is a detailed breakdown of its compatibility:

ISB CM2150 Series

• ISB CM2150: This engine benefits from the air transfer pipe, enhancing its air intake system efficiency.
• ISB/ISD6.7 CM2150 SN: The part is compatible with this model, providing improved air management.

ISB6.7 Series

• ISB6.7 CM2250: The air transfer pipe is engineered to fit this engine, ensuring that it operates at peak efficiency.
• ISB6.7 CM2350 B101: This engine also utilizes the part for its air transfer needs, maintaining the integrity of the air intake system.

ISBE Series

• ISBE CM2150: The air transfer pipe is suitable for this engine, contributing to its overall performance.
• ISBE4 CM850: This engine model is also compatible with the part, ensuring that it receives the necessary air flow for optimal operation.

The Cummins Air Transfer Pipe 4939740 is a versatile component that enhances the air intake systems of these engines, ensuring they perform efficiently and reliably.

Role of Part 4939740 Air Transfer Pipe in Engine Systems

This part is an essential component in the air management system of various engine setups. It facilitates the smooth and efficient transfer of air between different parts of the engine, ensuring optimal performance and reliability.

Air Transfer

In the context of air transfer, this pipe plays a significant role in directing air flow from the air intake system to the combustion chambers. It ensures that the air, often mixed with fuel, reaches the cylinders at the right pressure and volume. This is important for maintaining the correct air-fuel ratio, which is vital for efficient combustion and power output. The pipe also helps in reducing turbulence and pressure drops in the air flow, contributing to smoother engine operation.

Connection

The 4939740 serves as a vital connection point between various components of the air induction system. It links the air filter housing to the throttle body, and in some setups, it may also connect to the intercooler in turbocharged engines. This connection ensures a sealed and secure pathway for air, preventing leaks that could affect engine performance. Additionally, it often incorporates mounting points for sensors that monitor air flow and pressure, providing essential data to the engine control unit for optimal management of the air intake process.

Conclusion

The Cummins 4939740 Air Transfer Pipe is a critical component for the efficient operation of commercial trucks. Its role in the air management system ensures that engines receive the necessary air flow for optimal performance. Understanding its features, benefits, and proper installation and maintenance procedures is essential for maximizing the efficiency and longevity of commercial vehicles.