4940105
Air Tube
Cummins®

Introduction

The Cummins 4940105 Air Tube is a component designed for use in commercial trucks, specifically within the air brake system. Its purpose is to facilitate the efficient and reliable transfer of compressed air, which is vital for the operation of the truck’s braking system. This part ensures that the air brake system functions correctly by directing and regulating the flow of air to various components.

Basic Concepts of Air Tubes

Air tubes are integral components in pneumatic systems, serving as conduits for compressed air. In the context of commercial trucks, these tubes contribute to the overall performance by enabling the operation of air-powered systems such as brakes, suspensions, and other pneumatic accessories. The efficient transfer of air through these tubes is essential for maintaining system pressure and ensuring responsive and safe operation of the truck ¹.

Purpose of the Cummins 4940105 Air Tube

The Cummins 4940105 Air Tube is specifically designed to play a role in the truck’s air brake system by directing and regulating the flow of compressed air. This ensures that the air reaches the brake components at the necessary pressure and volume, contributing to the effective operation of the braking system. The tube’s design allows for consistent air delivery, which is fundamental for the reliable performance of air brakes ².

Key Features

The 4940105 Air Tube is constructed from durable materials that are resistant to the pressures and temperatures encountered in a truck’s air brake system. Its design includes features that enhance performance and durability, such as reinforced connections and a smooth interior to minimize air resistance. These characteristics contribute to the tube’s ability to withstand the demands of commercial truck operations ³.

Benefits

The use of the 4940105 Air Tube offers several advantages. It contributes to improved air system efficiency by ensuring a consistent and reliable flow of air. This can lead to reduced maintenance needs, as the tube’s durable construction and design help prevent common issues such as leaks and blockages. Additionally, the reliable performance of the air tube enhances the overall safety of the truck by supporting the effective operation of the air brake system ⁴.

Installation and Integration

When installing the 4940105 Air Tube, it is important to consider compatibility with other components within the truck’s air brake system. The installation process may require specific tools or equipment to ensure a secure and proper fit. Following manufacturer guidelines during installation helps ensure that the air tube integrates seamlessly with the existing system, maintaining the integrity and performance of the air brake system.

Troubleshooting Common Issues

Common issues with air tubes, such as leaks, blockages, and connection failures, can affect the performance of the air brake system. Identifying these problems often involves inspecting the tube for signs of wear, damage, or improper connections. Resolving these issues may require repairing or replacing the affected section of the tube, ensuring that the air brake system continues to operate safely and efficiently.

Maintenance Tips

Regular maintenance of the 4940105 Air Tube is important for ensuring its longevity and optimal performance. This includes inspecting the tube for signs of wear or damage, cleaning it to remove any debris that could obstruct air flow, and checking connections for tightness and integrity. Adhering to a maintenance schedule helps prevent issues and ensures that the air brake system remains reliable.

Cummins Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its range of engines, components, and technologies. With a history of innovation and quality, Cummins products are designed to meet the demanding requirements of commercial trucking. The company’s reputation is built on a commitment to reliability, performance, and customer satisfaction, making it a trusted name in the industry.

Cummins Air Tube 4940105 Compatibility

The Cummins Air Tube part number 4940105 is designed to fit seamlessly within a range of Cummins diesel engines, ensuring optimal air flow and engine performance. This part is integral to the engine’s air intake system, providing a critical connection between various components.

QSB5.9 CM850 Engines

The 4940105 Air Tube is specifically engineered to integrate with the QSB5.9 CM850 engines. This engine model is known for its robust performance and reliability, often used in a variety of industrial and agricultural applications. The air tube ensures that the engine receives the correct air-fuel mixture, which is essential for maintaining efficiency and power output.

Grouping of Compatible Engines

While the primary focus here is on the QSB5.9 CM850, it is worth noting that the 4940105 Air Tube is also compatible with other Cummins engine models within the same series. These engines share similar design characteristics and operational requirements, making the air tube a versatile component across multiple engine types. The compatibility extends to engines that utilize similar air intake systems, ensuring that the air tube fits snugly and functions as intended.

Role of Part 4940105 Air Tube in Engine Systems

The 4940105 Air Tube is an essential component in the arrangement of various engine systems, particularly in turbocharged setups. It facilitates the efficient transfer of air between different parts of the engine, ensuring optimal performance and reliability.

Turbocharger Integration

In turbocharged engines, the 4940105 Air Tube plays a significant role by connecting the turbocharger to the intake manifold. This connection allows the pressurized air from the turbocharger to be delivered to the engine’s combustion chambers. The tube ensures that the air flow is smooth and uninterrupted, which is vital for maintaining the turbocharger’s efficiency and the engine’s overall performance.

Airflow Management

The 4940105 Air Tube is also integral to the engine’s airflow management system. It helps in directing the air from the turbocharger to the intake manifold with minimal loss of pressure. This efficient airflow management is key to achieving the desired air-fuel ratio, which is essential for combustion efficiency and power output.

Connection to Other Components

Beyond its role in turbocharger systems, the 4940105 Air Tube often connects to other critical components such as intercoolers and air filters. These connections are designed to enhance the engine’s performance by ensuring that the air entering the combustion chambers is at the optimal temperature and pressure.

Enhanced Engine Performance

By ensuring a consistent and efficient airflow, the 4940105 Air Tube contributes to the engine’s ability to deliver power smoothly across a range of operating conditions. This is particularly important in high-performance engines where every component must work in harmony to achieve peak efficiency and power output.

Conclusion

The Cummins 4940105 Air Tube is a critical component in the air brake system of commercial trucks, ensuring efficient and reliable transfer of compressed air. Its durable construction, compatibility with various Cummins engines, and role in enhancing engine performance make it a valuable part for maintaining the safety and efficiency of commercial truck operations.