4935014
Fuel Transfer Pump
Cummins®

Introduction

The Cummins 4935014 Fuel Transfer Pump is a critical component designed to facilitate the efficient transfer of fuel within the fuel system of commercial trucks. It ensures that the engine receives a consistent supply of fuel, which is essential for the truck’s operation and performance.

Basic Concepts of Fuel Transfer Pumps

A fuel transfer pump is a device that moves fuel from the tank to the engine by creating a pressure differential that allows fuel to flow through the system. In the context of a truck, the fuel transfer pump ensures that fuel is delivered at the correct pressure and volume to meet the engine’s demands ¹.

Purpose of the Cummins 4935014 Fuel Transfer Pump

The Cummins 4935014 Fuel Transfer Pump is designed to maintain a steady flow of fuel to the engine, ensuring that it operates efficiently under various conditions. By providing consistent fuel delivery, the pump helps to maintain engine performance and reduce the risk of fuel-related issues ².

Key Features

The Cummins 4935014 Fuel Transfer Pump is characterized by its robust design and the use of high-quality materials. It incorporates advanced technology that enhances its performance, such as precision engineering for optimal fuel flow and durability. The pump’s construction is tailored to withstand the demanding conditions typical of commercial truck operations ³.

Benefits of Using the Cummins 4935014 Fuel Transfer Pump

Incorporating the Cummins 4935014 Fuel Transfer Pump into a truck’s fuel system offers several advantages. These include improved fuel efficiency due to consistent fuel delivery, enhanced reliability under various operating conditions, and increased durability that contributes to the longevity of the fuel system ⁴.

Installation and Integration

Proper installation of the Cummins 4935014 Fuel Transfer Pump is crucial for its effective operation. It should be integrated into the truck’s fuel system according to the manufacturer’s guidelines, which may include specific prerequisites or considerations to ensure compatibility and optimal performance ⁵.

Troubleshooting Common Issues

Fuel transfer pumps, including the Cummins 4935014 model, may encounter issues such as fuel leaks, inconsistent fuel delivery, or pump failure. Troubleshooting these problems involves checking for proper installation, inspecting fuel lines for damage, and ensuring the pump is receiving adequate power. Regular maintenance can help prevent many of these issues ⁶.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 4935014 Fuel Transfer Pump, regular maintenance is recommended. This includes inspecting the pump and fuel lines for wear or damage, ensuring proper fuel filtration to prevent contaminants from entering the system, and following the manufacturer’s service intervals for any necessary replacements or adjustments ⁷.

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 diverse product range, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance components ⁸.

Cummins Fuel Transfer Pump 4935014 Compatibility

The Cummins Fuel Transfer Pump part number 4935014 is designed to fit a variety of Cummins engines, ensuring efficient fuel transfer across different engine models. Here is a detailed overview of its compatibility:

ISX Series Engines

• ISX CM554: This engine model is compatible with the Fuel Transfer Pump 4935014, ensuring optimal fuel delivery.
• ISX CM871: This higher displacement engine also fits the part, maintaining the same efficiency in fuel transfer.
• ISX15 CM2250: The larger ISX15 engine is designed to work seamlessly with this fuel transfer pump, providing robust performance.

QSX Series Engines

• QSX15 CM2250 ECF: This engine variant is engineered to integrate the Fuel Transfer Pump 4935014, ensuring reliable fuel transfer and performance.

Other Cummins Engines

• ISC CM554: This engine model is also compatible with the Fuel Transfer Pump 4935014, providing consistent fuel delivery.
• ISL CM554: The ISL engine model fits this fuel transfer pump, ensuring efficient fuel management.
• QSC8.3 CM554: This engine variant is designed to work with the Fuel Transfer Pump 4935014, maintaining optimal fuel transfer.
• QSL9 CM554: The QSL9 engine model is compatible with this fuel transfer pump, ensuring reliable fuel delivery.

This compatibility ensures that the Cummins Fuel Transfer Pump 4935014 can be used across a range of engine models, providing a reliable solution for fuel management in various applications.

Role of Part 4935014 Fuel Transfer Pump in Engine Systems

The 4935014 Fuel Transfer Pump is an integral component within the fuel system, designed to facilitate the efficient movement of fuel from the fuel tank to the fuel control module and subsequently to the fuel pump. This pump ensures a consistent and reliable fuel supply, which is essential for the optimal operation of the engine.

When the engine is started, the fuel transfer pump works in conjunction with the priming pump to draw fuel from the tank. The priming pump initially creates a vacuum, which helps in drawing fuel towards the transfer pump. Once the fuel transfer pump is operational, it maintains a steady flow of fuel, ensuring that the fuel control module receives a continuous supply.

The fuel control module, in turn, regulates the amount of fuel that is delivered to the fuel pump. This regulation is vital for maintaining the correct fuel-to-air ratio, which is necessary for efficient combustion within the engine. The fuel pump then pressurizes the fuel and delivers it to the engine’s injectors.

In summary, the 4935014 Fuel Transfer Pump plays a significant role in the fuel delivery process. It ensures that fuel is efficiently transferred from the tank to the fuel control module, supporting the overall functionality and performance of the engine system ⁹.

Conclusion

The Cummins 4935014 Fuel Transfer Pump is a vital component in the fuel system of commercial trucks, ensuring efficient and reliable fuel delivery to the engine. Its robust design, advanced technology, and compatibility with various Cummins engines make it a reliable choice for maintaining engine performance and longevity.