5256461
Air Transfer Tube
Cummins®

The Cummins 5256461 Air Transfer Tube is a component designed for use in commercial trucks. It serves a specific function within the vehicle’s air 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 Tubes

An Air Transfer Tube is a component that facilitates the movement of compressed air within a truck’s air system. This system is vital for various functions, including the operation of air brakes, suspension systems, and other air-dependent mechanisms. The efficiency of the air transfer process directly impacts the performance and reliability of these systems ¹.

Purpose of the 5256461 Air Transfer Tube

The 5256461 Air Transfer Tube plays a role in the air brake system and other air-dependent functions of a truck. It is involved in the distribution of compressed air, ensuring that air reaches the necessary components at the required pressure and volume. This component is integral to maintaining the functionality and safety of the truck’s braking system ².

Key Features

The 5256461 Air Transfer Tube is constructed from durable materials, designed to withstand the pressures and conditions within a truck’s air system. Its design includes features that enhance performance and longevity, such as reinforced connections and a streamlined shape to reduce air resistance and improve flow efficiency.

Benefits

Using the 5256461 Air Transfer Tube can lead to improved air system efficiency and reliability. Fleet operators may experience potential cost savings due to reduced maintenance needs and enhanced system performance. The tube’s design contributes to a more responsive and efficient air system, benefiting overall truck operation ³.

Installation and Compatibility

Proper installation of the 5256461 Air Transfer Tube is important for ensuring its effectiveness and compatibility with the truck’s air system. Guidelines for installation should be followed to maintain system integrity and performance. Compatibility with various truck models and air systems should be considered to ensure optimal function.

Maintenance and Troubleshooting

Regular maintenance of the 5256461 Air Transfer Tube, including inspections for wear and damage, is recommended to ensure continued performance. Common issues may include leaks or blockages, which can be identified through routine checks. Troubleshooting tips can help address these problems, ensuring the tube remains in good working condition.

Performance Impact

The 5256461 Air Transfer Tube affects the overall performance of the truck by contributing to the efficiency of the air brake system and other air-dependent functions. Improvements in braking efficiency, air system responsiveness, and driver safety can be observed with the proper functioning of this component.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its wide range of products and commitment to quality and reliability. The company’s history and reputation provide context for the quality and performance of the 5256461 Air Transfer Tube, reflecting Cummins’ dedication to enhancing the efficiency and safety of commercial vehicles.

Compatibility with Cummins Engines

The Air Transfer Tube, identified by part number 5256461, is a critical component in the air management system of certain Cummins engines. This part is designed to facilitate the transfer of air within the engine’s system, ensuring optimal performance and efficiency. Below is a detailed description of how this part fits with the specified Cummins engines.

QSC9 CM2250/QSL9 CM2250

The Air Transfer Tube (5256461) is compatible with the QSC9 CM2250 and QSL9 CM2250 engines. This part is integral to the air intake system, ensuring that the air is properly directed and managed within the engine. Its placement and design are tailored to fit seamlessly with the architecture of these engines, providing a reliable connection between various air management components.

QSL9 CM2250

Similar to the QSC9 CM2250/QSL9 CM2250, the QSL9 CM2250 engine also utilizes the Air Transfer Tube (5256461). This part is essential for maintaining the integrity of the air intake system, ensuring that the engine receives the correct air-fuel mixture for optimal combustion. Its design is specific to the QSL9 CM2250, ensuring a precise fit and function.

QSL9 CM2350 L102

The Air Transfer Tube (5256461) is also compatible with the QSL9 CM2350 L102 engine. This part plays a crucial role in the air transfer system, ensuring that air is efficiently managed within the engine. Its design and placement are tailored to the specific requirements of the QSL9 CM2350 L102, ensuring that it integrates smoothly with the engine’s architecture.

Grouping of Engines

The Air Transfer Tube (5256461) is compatible with the following engines:

• QSC9 CM2250
• QSL9 CM2250
• QSL9 CM2350 L102

These engines share common design elements in their air management systems, making the Air Transfer Tube (5256461) a versatile and essential component for maintaining optimal engine performance.

Role in Exhaust Recirculation Air Plumbing

The 5256461 Air Transfer Tube is integral to the efficient operation of exhaust recirculation (EGR) air plumbing systems. In these systems, the Air Transfer Tube facilitates the movement of exhaust gases from the exhaust manifold to the intake manifold. This process is essential for reducing nitrogen oxides (NOx) emissions, which are harmful pollutants.

In the EGR system, the Air Transfer Tube connects to the EGR valve, which controls the flow of exhaust gases. The tube then routes these gases to the intake manifold, where they are mixed with the incoming air-fuel mixture. This dilution reduces the peak combustion temperature, thereby lowering NOx production.

Additionally, the Air Transfer Tube interacts with the EGR cooler, which is designed to cool the recirculated exhaust gases before they enter the intake manifold. This cooling process enhances the efficiency of the EGR system by ensuring that the gases are at an optimal temperature for mixing with the fresh air-fuel mixture.

The tube also plays a role in maintaining system pressure. It ensures that the pressure differential between the exhaust and intake manifolds is managed effectively, preventing backflow and ensuring smooth operation of the EGR system.

In summary, the 5256461 Air Transfer Tube is a key component in the EGR air plumbing, contributing to emissions reduction, system efficiency, and overall engine performance.

Conclusion

The Cummins 5256461 Air Transfer Tube is a vital component in the air management systems of commercial trucks, particularly those equipped with Cummins engines. Its role in facilitating the efficient transfer of air within the engine and EGR systems underscores its importance in maintaining optimal engine performance, reducing emissions, and ensuring the reliability of air-dependent systems such as brakes and suspensions. Proper installation, maintenance, and understanding of its compatibility with specific engine models are crucial for maximizing the benefits of this component.