3999796
Air Transfer Pipe
Cummins®

The 3999796 Air Transfer Tube, manufactured by Cummins, is a component designed for use in commercial trucks. It serves a specific function within the truck’s air system, contributing to the overall operation and efficiency of the vehicle. Cummins, a well-established manufacturer in the industry, produces this part to meet the demanding requirements of commercial trucking.

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. It plays a role in ensuring that air is efficiently distributed to various air-dependent systems, such as the air brake system, suspension systems, and other pneumatic controls. The efficient flow of air is vital for the proper functioning of these systems, and the air transfer tube is integral to this process ¹.

Purpose of the 3999796 Air Transfer Tube

The 3999796 Air Transfer Tube is specifically designed to enhance the operation of a truck’s air brake system and other air-dependent systems. It ensures that compressed air is reliably transferred from the air compressor to these systems, allowing for effective braking, suspension adjustments, and operation of other pneumatic components. This tube is engineered to maintain consistent air pressure and flow, which is crucial for the safe and efficient operation of the truck ².

Key Features

The 3999796 Air Transfer Tube boasts several key features that contribute to its performance. It is constructed from durable materials that can withstand the high pressures and temperatures of a truck’s air system. The design includes reinforced sections to prevent kinking and ensure a smooth airflow. Additionally, the tube may feature unique connectors or fittings that enhance its compatibility with other components in the system ³.

Benefits

The use of the 3999796 Air Transfer Tube offers several benefits. It contributes to improved air system efficiency by ensuring a consistent and reliable flow of compressed air. The durable construction of the tube enhances its longevity, reducing the need for frequent replacements. Furthermore, its reliable performance in various operating conditions supports the overall reliability of the truck’s air-dependent systems.

Installation Considerations

When installing the 3999796 Air Transfer Tube, it is important to consider its compatibility with other components in the truck’s air system. Proper installation involves ensuring that all connections are secure and that the tube is routed to avoid any potential damage from moving parts or heat sources. Following manufacturer guidelines and taking necessary precautions during installation will help maintain the integrity of the air system.

Troubleshooting Common Issues

Common issues with the 3999796 Air Transfer Tube may include leaks, blockages, or damage to the tube itself. Troubleshooting these issues involves inspecting the tube for visible signs of wear or damage, checking connections for tightness, and ensuring that there are no obstructions in the airflow. Addressing these issues promptly can help maintain the efficiency and safety of the truck’s air system.

Maintenance Tips

To ensure the longevity and optimal performance of the 3999796 Air Transfer Tube, regular maintenance is recommended. This includes inspecting the tube for signs of wear or damage, cleaning any debris that may accumulate around the connections, and ensuring that all fittings are secure. Adhering to a maintenance schedule will help prevent unexpected failures and contribute to the overall reliability of the truck’s air system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes 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 industry. The company’s expertise in manufacturing diesel engines and related components, including the 3999796 Air Transfer Tube, underscores its dedication to providing reliable and efficient solutions for commercial trucking.

Air Transfer Tube (Part 3999796) Compatibility with Cummins Engines

The Air Transfer Tube, identified by part number 3999796, is a critical component in the air intake system of several Cummins engines. This part is designed to facilitate the transfer of air from the turbocharger to the engine’s intake manifold, ensuring efficient and reliable engine operation.

QSB3.3 CM2150 and QSB4.5 CM2250

The Air Transfer Tube (3999796) is compatible with both the QSB3.3 CM2150 and QSB4.5 CM2250 engines. These engines are part of Cummins’ QSB series, known for their robust performance and reliability in various applications, including industrial and marine settings. The tube’s design ensures that it fits seamlessly into the air intake systems of these engines, maintaining the integrity of the air flow and contributing to optimal engine performance.

QSB4.5 CM850 (CM2850)

Similarly, the Air Transfer Tube (3999796) is also compatible with the QSB4.5 CM850 (CM2850) engine. This engine is another variant in the QSB series, offering a balance of power and efficiency. The tube’s fit and function in this engine are crucial for maintaining the air intake system’s efficiency, ensuring that the engine operates at peak performance levels.

Part 3999796 Air Transfer Tube Component Usage

The 3999796 Air Transfer Tube is an essential component in the efficient operation of various engine systems. Its primary function is to facilitate the smooth and reliable transfer of air between different components within the engine system.

In the context of the air intake system, the Air Transfer Tube connects the air filter to the throttle body. This connection ensures that the air entering the engine is clean and free from contaminants, which is vital for optimal engine performance and fuel efficiency.

Within the intercooler system of turbocharged engines, the Air Transfer Tube plays a significant role. It connects the turbocharger to the intercooler, allowing the compressed air to be cooled before it enters the engine’s combustion chambers. This cooling process increases the air density, leading to better engine performance and reduced thermal stress on engine components.

In emission control systems, the Air Transfer Tube is used to connect various components such as the catalytic converter, oxygen sensors, and the exhaust manifold. This ensures that the air-fuel mixture is properly regulated and that emissions are kept within acceptable limits.

Additionally, in secondary air injection systems, the Air Transfer Tube is responsible for directing fresh air into the exhaust stream to aid in the combustion of unburned fuel, thereby reducing emissions and improving overall engine efficiency.

Overall, the 3999796 Air Transfer Tube is a versatile component that enhances the functionality and performance of multiple engine systems by ensuring proper air transfer and connection between critical components.

Conclusion

The 3999796 Air Transfer Tube is a vital component in the air systems of commercial trucks, particularly those equipped with Cummins engines. Its role in ensuring efficient air distribution and maintaining consistent air pressure is crucial for the safe and reliable operation of the vehicle. With its durable construction, compatibility with various Cummins engines, and the benefits it offers in terms of system efficiency and longevity, this Cummins part is an essential element in the maintenance and performance of commercial trucking fleets.