4935005
Fuel Transfer Pump
Cummins®

Introduction

The Cummins 4935005 Fuel Transfer Pump is designed to facilitate the movement of fuel from the tank to the engine in heavy-duty trucks. This component ensures that the engine receives a consistent supply of fuel under various driving conditions, contributing to the efficient operation of the vehicle.

Basic Concepts of Fuel Transfer Pumps

A fuel transfer pump is a device that moves fuel from the storage tank to the engine by creating a pressure differential. This allows fuel to flow through the system, maintaining the necessary fuel pressure and flow rate for optimal engine performance ¹.

Purpose of the Cummins 4935005 Fuel Transfer Pump

This Cummins part is specifically designed to transfer fuel from the tank to the engine in heavy-duty trucks. It ensures a steady supply of fuel, which is essential for maintaining performance and efficiency. The pump operates under various conditions, providing the necessary fuel pressure and flow to support the engine’s demands ².

Key Features

The Cummins 4935005 Fuel Transfer Pump is characterized by its robust design and the use of high-quality materials. It features a durable construction that can withstand the rigors of heavy-duty truck operation. Additionally, the pump incorporates advanced technology to enhance its performance, ensuring reliable fuel delivery ³.

Benefits

This part offers several benefits, including improved fuel efficiency, enhanced reliability, and performance enhancements for the truck. By ensuring a consistent fuel supply, the pump contributes to the overall efficiency and performance of the vehicle. Its reliable operation reduces the likelihood of fuel-related issues, contributing to a smoother driving experience ⁴.

Installation and Integration

Installing the Cummins 4935005 Fuel Transfer Pump involves several steps and considerations. It is important to ensure that the pump is compatible with the truck’s fuel system and that any necessary modifications are made. Proper installation is crucial for the pump to function effectively and integrate seamlessly into the vehicle’s fuel system ⁵.

Troubleshooting Common Issues

Common issues associated with the Cummins 4935005 Fuel Transfer Pump may include leaks, pump failure, and fuel delivery problems. Identifying these issues early and addressing them promptly can prevent more significant problems. Regular inspections and maintenance can help mitigate these issues, ensuring the pump operates efficiently ⁶.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 4935005 Fuel Transfer Pump, regular maintenance is recommended. This includes conducting regular inspections, changing filters as needed, and performing pump tests to ensure it is functioning correctly. Adhering to a maintenance schedule can help prevent issues and extend the life of the pump ⁷.

Safety Considerations

When working with the Cummins 4935005 Fuel Transfer Pump, it is important to follow safety practices. This includes handling fuel safely, wearing appropriate protective equipment, and adhering to maintenance schedules. Safety is paramount when working with fuel systems to prevent accidents and ensure a safe working environment ⁸.

Cummins Overview

Cummins Inc. is a well-established company with a strong reputation in the automotive and heavy-duty truck industry. With a history of innovation and quality, Cummins has become a trusted name in the production of engines and related components. The company’s commitment to excellence is reflected in its products, including the Cummins 4935005 Fuel Transfer Pump ⁹.

Compatibility

The Cummins Fuel Transfer Pump part number 4935005 is designed to be compatible with a range of Cummins engines, ensuring efficient fuel transfer and system integrity. This part is integral to the operation of the engines it supports, facilitating the movement of fuel from the tank to the engine.

Compatibility with ISC CM554 and ISL CM554 Engines

The ISC CM554 and ISL CM554 engines are part of Cummins’ lineup of medium-duty diesel engines. The Fuel Transfer Pump 4935005 is specifically engineered to fit these engines, providing a reliable solution for maintaining fuel flow. This compatibility ensures that both the ISC and ISL variants can operate smoothly, with the pump playing a crucial role in the fuel delivery system ¹⁰.

Compatibility with QSC8.3 CM554 and QSL9 CM554 Engines

The QSC8.3 CM554 and QSL9 CM554 engines are also designed to work seamlessly with the Cummins Fuel Transfer Pump 4935005. These engines are known for their robust performance and efficiency, and the fuel transfer pump is a critical component in ensuring that they function optimally. The pump’s design allows for precise fuel delivery, which is essential for the high-performance demands of these engines ¹¹.

Grouping of Compatible Engines

The Cummins Fuel Transfer Pump 4935005 is versatile and compatible with both the ISC CM554 and ISL CM554 engines, as well as the QSC8.3 CM554 and QSL9 CM554 engines. This grouping highlights the pump’s broad applicability across different engine models, making it a valuable part for maintaining the integrity and performance of these engines. The compatibility ensures that users can rely on a single part for multiple engine types, simplifying maintenance and inventory management ¹².

Role of Part 4935005 Fuel Transfer Pump in Engine Systems

The 4935005 Fuel Transfer Pump is an essential component in various engine systems, facilitating the efficient movement of fuel from the storage tank to the engine’s fuel injection system. This pump ensures a consistent and reliable fuel supply, which is fundamental for the engine’s performance and longevity.

In diesel engines, the fuel transfer pump works in conjunction with the fuel filter, fuel lines, and the high-pressure injection pump. It draws fuel from the tank and delivers it to the fuel filter, where impurities are removed. The clean fuel then moves through the fuel lines to the high-pressure injection pump, which pressurizes it before delivery to the injectors. This sequence ensures that the engine receives clean, pressurized fuel, optimizing combustion efficiency and reducing emissions ¹³.

In gasoline engines, the fuel transfer pump plays a similar role, though the system may include additional components such as the fuel rail and injectors. The pump draws fuel from the tank and sends it through the fuel filter to remove contaminants. The filtered fuel then travels through the fuel lines to the fuel rail, where it is distributed to the injectors. This system ensures that each cylinder receives the precise amount of fuel needed for efficient combustion, enhancing engine performance and fuel economy ¹⁴.

Overall, the 4935005 Fuel Transfer Pump is integral to maintaining the proper fuel flow within engine systems, supporting both diesel and gasoline engines in delivering optimal performance.

Conclusion

The Cummins 4935005 Fuel Transfer Pump is a critical component for ensuring the efficient operation of heavy-duty trucks. Its robust design, compatibility with various Cummins engines, and role in maintaining fuel flow make it an essential part for engine performance and longevity. Regular maintenance and adherence to safety practices are crucial for maximizing the benefits of this part.