4999174
Air Crossover Tube
Cummins®

The Cummins 4999174 Air Crossover Tube is a critical component in the air brake systems of heavy-duty trucks. It facilitates the distribution of air pressure between different brake circuits, ensuring balanced and efficient braking performance. This part significantly contributes to the safety and operational efficiency of heavy-duty vehicles.

Basic Concepts of Air Crossover Tubes

An Air Crossover Tube is a vital component within the air brake system that allows air pressure to be shared between separate brake circuits. This sharing of air pressure helps maintain balanced braking force across the vehicle, which is essential for safe and effective operation. The tube contributes to the overall performance and safety of the vehicle by ensuring that each brake circuit receives the necessary air pressure to function correctly ¹.

Purpose and Role of the 4999174 Air Crossover Tube

The 4999174 Air Crossover Tube plays a specific role in the air brake system of heavy-duty trucks by distributing air pressure between different brake circuits. This distribution ensures that each circuit operates with the required pressure, which is crucial for maintaining balanced braking force. The tube helps in equalizing the pressure, which can vary due to different load conditions or brake wear, thus contributing to consistent braking performance ².

Key Features

The 4999174 Air Crossover Tube is characterized by several key features that enhance its functionality and durability. These include a robust construction that withstands the harsh conditions typical of heavy-duty truck environments, precise engineering to ensure accurate air pressure distribution, and compatibility with Cummins engines, making it a reliable choice for these applications ³.

Benefits

The benefits provided by the 4999174 Air Crossover Tube include improved brake performance due to balanced air pressure distribution, enhanced safety through consistent braking force, and increased reliability in heavy-duty truck applications. These advantages contribute to the overall efficiency and safety of the vehicle, making the tube a valuable component in the air brake system.

Installation and Compatibility

Proper installation of the 4999174 Air Crossover Tube involves following manufacturer guidelines to ensure it is correctly fitted within the air brake system. Compatibility with various Cummins engine models and truck makes and models is a key consideration, ensuring that the tube functions effectively within the specific system it is installed in.

Maintenance and Troubleshooting

Maintaining the 4999174 Air Crossover Tube involves regular inspection for signs of wear or damage, cleaning to remove any contaminants that could affect performance, and replacing worn or damaged components to ensure continued optimal operation. Troubleshooting common issues such as air leaks or reduced brake performance may involve checking connections, inspecting for damage, and ensuring the tube is correctly installed and functioning as intended.

Regulatory Compliance

The 4999174 Air Crossover Tube complies with industry regulations and standards for safety and performance in commercial vehicle applications. This compliance ensures that the tube meets the necessary requirements for use in heavy-duty trucks, contributing to the overall safety and reliability of the vehicle.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a strong reputation in the commercial vehicle industry, Cummins offers a wide range of products designed to meet the demanding requirements of heavy-duty applications. The company’s commitment to quality and performance is evident in its product offerings, including the 4999174 Air Crossover Tube.

Understanding the Role of Part 4999174 Air Crossover Tube in Engine Systems

The 4999174 Air Crossover Tube is an essential component in the arrangement of various engine systems, particularly those equipped with turbochargers. This component facilitates the connection between different parts of the air intake system, ensuring efficient airflow management.

In turbocharged engines, the Air Crossover Tube plays a significant role by connecting the turbocharger to the intake manifold. This connection allows for the smooth transfer of pressurized air from the turbocharger to the engine’s cylinders. The tube ensures that the air, which has been compressed by the turbocharger, is evenly distributed to all cylinders, promoting balanced combustion and optimal engine performance.

Additionally, the Air Crossover Tube contributes to the overall efficiency of the air intake system by minimizing air leaks. Its design and placement help maintain a sealed pathway for the air, preventing any loss of pressure that could otherwise reduce the effectiveness of the turbocharger. This sealed environment is vital for maintaining the desired air-fuel ratio, which is essential for efficient combustion and power output.

Furthermore, the tube’s role extends to thermal management within the engine bay. By routing the air crossover path, it helps in dissipating heat away from sensitive components, contributing to the longevity and reliability of the engine system.

Conclusion

In summary, the 4999174 Air Crossover Tube is a key element in the intricate network of components that make up modern turbocharged engine systems. Its proper function ensures that the engine receives a consistent supply of pressurized air, leading to enhanced performance and efficiency.