4936980
Air Transfer Tube
Cummins®

Introduction

The Cummins 4936980 Air Transfer Tube is a critical component for heavy-duty trucks, facilitating the transfer of compressed air within the truck’s air system. This ensures efficient operation of air-dependent subsystems, including the air brake system, contributing to the vehicle’s overall performance and safety ¹.

Basic Concepts of Air Transfer Tubes

An Air Transfer Tube serves as a conduit for compressed air, essential for maintaining consistent air pressure and flow in a truck’s air system. This is vital for the proper functioning of air brakes, suspension systems, and other pneumatic components, reducing air loss and ensuring these systems receive the necessary pressure to operate correctly ².

Purpose of the 4936980 Air Transfer Tube

Designed to enhance the efficiency of a truck’s air brake system and other air-dependent subsystems, the 4936980 ensures reliable delivery of compressed air. Its design allows for secure connections between air system components, facilitating smooth and uninterrupted air flow ³.

Key Features

Constructed from durable materials, the 4936980 is designed to withstand high pressures and temperatures. Features such as reinforced connections and a smooth interior minimize air resistance, contributing to efficient air flow and resistance to wear and tear ⁴.

Benefits

Utilizing the 4936980 can improve efficiency within the truck’s air system. Its durable construction and design elements enhance system reliability and longevity. By ensuring consistent air flow and pressure, it contributes to maintaining overall truck performance and safety, particularly for the air brake system ¹.

Installation Considerations

Proper installation of the 4936980 is crucial for maximizing its performance and durability. Following Cummins’ guidelines, including specific torque settings for connections and ensuring all seals are intact, is essential for the overall efficiency of the truck’s air system ².

Troubleshooting Common Issues

Common issues with the 4936980 may include air leaks, blockages, or damage. Troubleshooting involves inspecting the tube for damage, checking connections for tightness, and ensuring there are no obstructions. Promptly addressing these issues maintains the efficiency and reliability of the truck’s air system ³.

Maintenance Tips

Regular maintenance of the 4936980 is important for optimal performance and longevity. This includes periodic inspection for wear or damage, cleaning to remove debris, and checking connections to ensure they remain secure. Adhering to a maintenance schedule can prevent issues and ensure continued efficiency ⁴.

Cummins Overview

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. With a century-long history, Cummins is renowned for quality and innovation in the heavy-duty truck industry, offering a range of components and systems to enhance vehicle performance, efficiency, and reliability ¹.

Compatibility with Cummins Engines

The Air Transfer Tube (4936980) is compatible with Cummins’ ISB CM2150 and ISB6.7 CM2250 engines, ensuring efficient air transfer to the turbocharger. Proper installation and maintenance of this part are crucial for maintaining optimal engine performance and efficiency ².

Role in Engine Systems

In engine plumbing systems, the 4936980 facilitates air movement between components, maintaining pressure balance vital for the proper functioning of fuel injectors and carburetors. In exhaust recirculation air systems, it routes recirculated exhaust gases back into the intake system, reducing nitrogen oxides (NOx) emissions and enhancing engine performance while meeting environmental standards ³.

Conclusion

The Cummins 4936980 Air Transfer Tube is a vital component for the efficient operation of heavy-duty trucks and Cummins engines. Its role in ensuring efficient air transfer contributes to improved engine performance, efficiency, and compliance with environmental regulations. Proper installation, maintenance, and understanding of its function are essential for maximizing its benefits ⁴.