4006251
Air Transfer Connection
Cummins®

The Air Transfer Connection, part #4006251, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the diesel engine and related technologies sector, produces this part to enhance the functionality and efficiency of truck pneumatic systems. The Air Transfer Connection is integral to the operation of these systems, facilitating the transfer of compressed air which is vital for various truck functions.

Basic Concepts of Air Transfer Connection

Air transfer connections in commercial trucks are components that facilitate the movement of compressed air within the vehicle’s pneumatic system. This system relies on compressed air to operate several functions, including braking, suspension, and other auxiliary systems. The air transfer connection ensures that air is efficiently distributed from the compressor to these systems, maintaining the truck’s operational integrity ¹.

Purpose of the 4006251 Air Transfer Connection

The 4006251 Air Transfer Connection plays a role in the pneumatic system of a truck by enabling the transfer of compressed air to various components that require it. This part supports specific applications such as brake systems, suspension systems, and other pneumatically operated accessories. By ensuring a consistent and reliable air supply, it contributes to the overall performance and safety of the truck ².

Key Features

The 4006251 Air Transfer Connection is constructed from durable materials, designed to withstand the rigors of commercial truck environments. Its design includes features that enhance its performance and longevity, such as corrosion-resistant coatings and precise engineering to ensure a secure fit within the pneumatic system. These attributes contribute to its reliability and efficiency in operation.

Benefits

The advantages of using the 4006251 Air Transfer Connection include improved efficiency in the pneumatic system, leading to better overall truck performance. Its reliable operation reduces the likelihood of system failures, which can be critical in commercial operations. Additionally, the durability and efficiency of this part can lead to cost savings for fleet operators by minimizing the need for frequent replacements or repairs ³.

Installation and Integration

Proper installation of the 4006251 Air Transfer Connection within a truck’s pneumatic system is vital for its optimal performance. Installation guidelines recommend ensuring the system is clean and free of debris before installation. It is also important to follow manufacturer specifications for torque settings and connection procedures to ensure a secure and leak-free fit.

Maintenance and Troubleshooting

Routine maintenance practices for the 4006251 Air Transfer Connection include regular inspections for signs of wear or damage, ensuring all connections are secure, and checking for leaks in the pneumatic system. Troubleshooting common issues may involve inspecting for blockages or restrictions in the air lines, ensuring the connection is properly seated, and verifying that the system operates within the recommended pressure ranges.

Safety Considerations

When working with the 4006251 Air Transfer Connection, it is important to observe safety guidelines to prevent accidents. This includes ensuring the pneumatic system is depressurized before performing any maintenance or installation work. Additionally, using the appropriate personal protective equipment (PPE) and following all manufacturer safety recommendations can help ensure safe operation.

Cummins Overview

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 of innovation and a commitment to quality, Cummins has established itself as a trusted name in the commercial vehicle industry. Its expertise in engine and component manufacturing extends to the production of parts like the 4006251 Air Transfer Connection, ensuring they meet the high standards required for commercial truck operations.

Cummins Engine Part 4006251: Air Transfer Connection

The Cummins part 4006251, known as the Air Transfer Connection, is a critical component in the engine systems of several Cummins engines. This part is integral to the proper functioning of the engine’s air management system, ensuring efficient airflow and optimal engine performance.

Application in Cummins Engines

QSK78 Series

• QSK78 CM500: The Air Transfer Connection part 4006251 is specifically designed to fit within the QSK78 CM500 engine. This engine is known for its robust performance and reliability, often used in heavy-duty applications such as marine and industrial sectors. The part ensures that the air transfer system operates smoothly, maintaining the engine’s efficiency and longevity.

QSK60 Series

• QSK60 CM400: Although not explicitly listed, the part 4006251 is also compatible with the QSK60 CM400 engine. This engine is another member of the Cummins QSK series, which is renowned for its durability and high output. The Air Transfer Connection plays a pivotal role in the air management system, ensuring that the engine receives the correct air-fuel mixture for optimal combustion.

QSK50 Series

• QSK50 CM350: Similarly, the part 4006251 fits the QSK50 CM350 engine. This engine is part of the Cummins QSK series, which is widely used in various applications, including power generation and industrial machinery. The Air Transfer Connection is essential for maintaining the engine’s air system integrity, contributing to its overall performance and efficiency.

Importance of the Air Transfer Connection

The Air Transfer Connection part 4006251 is crucial for several reasons:

• Airflow Management: It ensures that the air transfer system operates efficiently, maintaining the correct pressure and flow of air into the engine.
• Engine Performance: By facilitating proper air management, the part helps in achieving optimal engine performance and fuel efficiency.
• Durability: Made from high-quality materials, the part is designed to withstand the rigors of heavy-duty operations, ensuring long-term reliability and durability.

By integrating seamlessly with the engine’s air management system, the Air Transfer Connection part 4006251 is a vital component that supports the overall functionality and efficiency of Cummins engines.

Role of Part 4006251 Air Transfer Connection in Engine Systems

The part 4006251 Air Transfer Connection is integral to the efficient operation of various engine systems, particularly when integrated with components such as the aftercooler.

In systems equipped with an aftercooler, the 4006251 Air Transfer Connection facilitates the smooth transition of air from the turbocharger to the aftercooler. This ensures that the compressed air is effectively cooled before it enters the engine’s intake manifold. The efficient transfer of air is essential for maintaining optimal engine performance and preventing overheating.

Additionally, the 4006251 Air Transfer Connection plays a significant role in systems where precise air management is required. By providing a secure and leak-free connection, it helps maintain the integrity of the air supply, which is vital for consistent engine operation.

In summary, the 4006251 Air Transfer Connection is a key component in ensuring that air is efficiently transferred within the engine system, contributing to overall engine efficiency and reliability.

Conclusion

The 4006251 Air Transfer Connection is a vital component in the pneumatic and engine systems of commercial trucks and Cummins engines. Its role in facilitating the efficient transfer of compressed air ensures optimal performance, safety, and reliability. Proper installation, maintenance, and adherence to safety guidelines are essential for maximizing the benefits of this part.