4959387
Fuel Transfer Tube
Cummins®

Introduction

The Cummins 4959387 Fuel Transfer Tube is a component designed for use in heavy-duty trucks. Its purpose is to facilitate the efficient transfer of fuel from the tank to the engine, ensuring that the vehicle operates smoothly and reliably. This part is integral to the fuel system, contributing to the overall performance and efficiency of the truck ².

Purpose and Function

The Cummins 4959387 Fuel Transfer Tube plays a role in the fuel system by enabling the movement of fuel from the storage tank to the engine. It ensures a consistent fuel supply, which is vital for the engine’s combustion process. The tube is designed to handle the pressures and temperatures associated with fuel transfer, maintaining the integrity of the fuel as it moves through the system ³.

Key Features

The Cummins 4959387 Fuel Transfer Tube is constructed from high-quality materials that are resistant to corrosion and wear. Its design includes robust connections that ensure a secure fit within the fuel system. The tube is engineered to withstand the demands of heavy-duty applications, providing a reliable fuel transfer solution. Unique attributes may include reinforced sections to prevent kinking and specialized coatings to enhance durability ⁴.

Benefits

The Cummins 4959387 Fuel Transfer Tube offers several advantages. It contributes to improved fuel efficiency by ensuring a smooth and uninterrupted fuel flow. The tube’s reliable construction enhances the overall durability of the fuel system, reducing the likelihood of leaks or failures. Additionally, its design supports the consistent delivery of fuel, which can lead to better engine performance and longevity ¹.

Installation Process

Installing the Cummins 4959387 Fuel Transfer Tube requires careful attention to detail. The process involves disconnecting the old tube, ensuring the fuel system is clean and free of debris, and then securely attaching the new tube. Tools such as wrenches and possibly a fuel system cleaner may be required. It is important to follow the manufacturer’s instructions to ensure proper installation and to avoid damaging the fuel system components ².

Common Issues and Troubleshooting

Typical problems with the Fuel Transfer Tube may include leaks, blockages, or damage to the tube itself. Troubleshooting steps involve inspecting the tube for visible signs of wear or damage, checking connections for tightness, and ensuring that the fuel system is free of contaminants. Solutions may range from simple re-tightening of connections to replacement of the tube if it is found to be compromised ³.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 4959387 Fuel Transfer Tube, regular maintenance is recommended. This includes periodic inspection for signs of wear or damage, cleaning the fuel system to prevent buildup of contaminants, and ensuring that all connections are secure. Following the manufacturer’s maintenance schedule can help prevent issues and extend the life of the tube ⁴.

Safety Considerations

When working with the Fuel Transfer Tube, it is important to observe safety guidelines. This includes handling fuel with care to avoid spills and ensuring that the fuel system is properly vented to prevent the buildup of hazardous vapors. Additionally, all work should be performed with the engine off and the fuel system depressurized to minimize the risk of injury or fire ¹.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for innovation and quality in the automotive and heavy-duty truck industry. The company’s commitment to excellence is reflected in its wide range of products, including the Cummins 4959387 Fuel Transfer Tube, which is designed to meet the rigorous demands of heavy-duty applications ².

Cummins Fuel Transfer Tube 4959387 Compatibility

The Cummins Fuel Transfer Tube part number 4959387 is designed to fit seamlessly within a range of Cummins engine models. This part is integral to the proper functioning of the fuel system, ensuring efficient fuel transfer from the tank to the engine.

KTA38 Series

The KTA38GC CM558 engine is part of the KTA38 series, which is known for its robust performance and reliability in various industrial applications. The Fuel Transfer Tube 4959387 is specifically engineered to fit within the KTA38GC CM558 engine, ensuring optimal fuel flow and system integrity.

KTA50 Series

Similarly, the KTA50 series engines, which include models like the KTA50-G3, also benefit from the use of the Cummins Fuel Transfer Tube 4959387. This part is designed to integrate with the KTA50 series, providing a reliable solution for fuel transfer needs.

Cummins QSK Series

The Cummins QSK series engines, such as the QSK50, are another group where the Fuel Transfer Tube 4959387 is compatible. This part ensures that the fuel transfer process is smooth and efficient, contributing to the overall performance and longevity of the engine.

Cummins L10 Series

The Cummins L10 series engines, including the L10-3300, are also part of the engine lineup that can utilize the Fuel Transfer Tube 4959387. This part is designed to fit these engines, ensuring that the fuel system operates as intended.

Cummins M11 Series

Lastly, the Cummins M11 series engines, such as the M11-330E, are compatible with the Fuel Transfer Tube 4959387. This part is engineered to fit these engines, providing a reliable solution for fuel transfer within the system.

Role of Part 4959387 Fuel Transfer Tube in Engine Systems

The Fuel Transfer Tube (part 4959387) is integral to the efficient operation of engine systems, particularly in ensuring the seamless movement of fuel between various components.

Interaction with the Valve

In conjunction with the valve, the Fuel Transfer Tube facilitates the controlled flow of fuel. The valve, which can be a solenoid or mechanical type, regulates the opening and closing of the fuel passage. The tube connects to the valve outlet, allowing fuel to be directed either to the combustion chamber or to a storage tank, depending on the engine’s operational requirements. This interaction ensures that fuel is delivered precisely when needed, optimizing engine performance and fuel efficiency ³.

Coordination with the Pressure Regulator

The Fuel Transfer Tube also works in tandem with the pressure regulator. The pressure regulator maintains a consistent fuel pressure within the system, which is essential for stable engine operation. The tube transports fuel from the regulator to other parts of the engine, such as the fuel injectors. This consistent pressure helps in achieving uniform fuel atomization, which is vital for complete combustion and reduced emissions.

By effectively linking these components, the Fuel Transfer Tube plays a significant role in maintaining the overall efficiency and reliability of the engine system ⁴.

Conclusion

The Cummins 4959387 Fuel Transfer Tube is a critical component in the fuel system of heavy-duty trucks, ensuring efficient and reliable fuel transfer from the tank to the engine. Its robust construction, compatibility with various Cummins engine models, and integration with other fuel system components contribute to the overall performance and longevity of the engine. Regular maintenance and adherence to safety guidelines are essential to maximize the benefits of this Cummins part.