2879640
Fuel Pump
Cummins®

Introduction

The Cummins 2879640 Fuel Pump is a critical component designed for use in commercial trucks. It ensures the efficient delivery of fuel from the tank to the engine, maintaining the performance and reliability of the truck’s fuel system.

Basic Concepts of Fuel Pumps

A fuel pump is a device that moves fuel from the tank to the engine by creating pressure. This pressure pushes the fuel through the lines and into the engine’s fuel system. In trucks, the fuel pump ensures the engine receives a consistent and adequate supply of fuel, which is necessary for combustion and power generation ¹.

Purpose of the Cummins 2879640 Fuel Pump

This Cummins part is designed to deliver fuel from the tank to the engine in commercial trucks. It maintains the necessary pressure and flow rate to support the engine’s fuel requirements under various operating conditions, ensuring efficient and reliable engine operation.

Key Features

The Cummins 2879640 Fuel Pump is characterized by durable materials designed to withstand the demanding conditions of commercial truck operations. It may also include advanced filtration systems to ensure clean fuel delivery and enhanced performance.

Benefits

This part offers several advantages, including improved fuel efficiency by ensuring optimal fuel delivery to the engine. Its reliable operation supports consistent engine performance, and its design may include features that enhance durability and longevity in demanding applications.

Installation and Integration

Installing the Cummins 2879640 Fuel Pump involves integrating it into the truck’s fuel system. This process requires attention to specific requirements and considerations to ensure proper fitment and function. It is important to follow manufacturer guidelines to achieve a secure and efficient installation.

Troubleshooting Common Issues

Common issues with the Cummins 2879640 Fuel Pump may include fuel delivery inconsistencies or pump failures. Identifying these problems involves checking for symptoms such as engine misfires or reduced performance. Addressing these issues may require inspecting the pump and its connections, and in some cases, replacement or repair.

Maintenance Tips

Maintaining the Cummins 2879640 Fuel Pump is important for ensuring its longevity and optimal performance. Regular inspection intervals should be observed to check for signs of wear or damage. Additionally, following manufacturer guidelines for replacement and upkeep can help prevent issues and ensure reliable operation.

Cummins Overview

Cummins Inc. is a well-established company with a significant presence in the commercial truck industry. Founded with a commitment to innovation and quality, Cummins has built a reputation for producing reliable and high-performance engine components. Their fuel pumps, including the 2879640 model, are designed with these principles in mind, offering solutions that meet the demanding requirements of commercial trucking.

Cummins Fuel Pump 2879640 Compatibility

The Cummins Fuel Pump part number 2879640 is designed to fit seamlessly with a variety of engine models, ensuring optimal fuel delivery and engine performance. This fuel pump is engineered to meet the stringent requirements of the NH/NT 855 engine series, providing reliable and efficient fuel management.

NH/NT 855 Engine Series

The NH/NT 855 engines are known for their robust design and high performance, making them a popular choice in various industrial and commercial applications. The Cummins Fuel Pump 2879640 is specifically tailored to integrate with these engines, ensuring that they operate at peak efficiency.

• NH 855: This engine variant benefits from the precise fuel delivery provided by the 2879640 fuel pump, enhancing overall performance and reliability.
• NT 855: Similarly, the NT 855 engine is optimized with the 2879640 fuel pump, ensuring consistent fuel supply and smooth operation.

Installation and Integration

The installation of the Cummins Fuel Pump 2879640 in the NH/NT 855 engines is straightforward, thanks to its precise engineering and compatibility with the engine’s fuel system architecture. This ensures that the fuel pump can be easily integrated into the existing setup without requiring extensive modifications.

Performance and Reliability

The Cummins Fuel Pump 2879640 is built to deliver high performance and reliability, critical for the demanding operations of the NH/NT 855 engines. Its design ensures that it can handle the rigorous demands of these engines, providing a stable and efficient fuel supply that contributes to the engine’s overall longevity and efficiency.

Compatibility with Other Models

While the primary focus is on the NH/NT 855 engines, the Cummins Fuel Pump 2879640 is also compatible with other models within the Cummins engine family. This versatility makes it a valuable component for maintaining and upgrading various engine systems.

By ensuring that the Cummins Fuel Pump 2879640 is correctly installed and integrated with the NH/NT 855 engines, operators can expect enhanced performance, reliability, and efficiency, making it an essential part of their engine maintenance and upgrade strategy.

Role of Part 2879640 Fuel Pump in Engine Systems

The part 2879640 Fuel Pump is integral to the operation of the fuel delivery system within an engine. It works in conjunction with several key components to ensure efficient and reliable fuel supply to the engine.

Fuel Tank

The fuel pump draws fuel from the fuel tank, where it is stored. The pump’s location within the tank allows it to maintain a consistent fuel level, ensuring a steady supply to the engine.

Fuel Lines

Once the fuel is drawn from the tank, it travels through the fuel lines. The fuel pump provides the necessary pressure to push the fuel through these lines, overcoming any resistance and ensuring a smooth flow.

Fuel Filter

Before reaching the engine, the fuel passes through the fuel filter. The fuel pump’s consistent pressure helps in maintaining the efficiency of the fuel filter by ensuring that contaminants are effectively trapped and do not reach the engine.

Fuel Injectors

The pressurized fuel delivered by the pump is then sent to the fuel injectors. The fuel pump’s role here is to provide the precise pressure required for the injectors to atomize the fuel properly, facilitating better combustion within the engine cylinders.

Engine Control Unit (ECU)

The ECU monitors the fuel system’s performance and adjusts the fuel pump’s operation as needed. The fuel pump must respond accurately to these signals to maintain optimal fuel delivery under varying engine loads and conditions.

Return Line

In some systems, excess fuel is returned to the tank via a return line. The fuel pump’s pressure management is vital in this process, ensuring that only the necessary amount of fuel is delivered to the engine, with the remainder efficiently returned to the tank.

Pressure Regulator

The pressure regulator works in tandem with the fuel pump to maintain consistent fuel pressure within the system. The pump’s ability to provide stable pressure is essential for the regulator to function correctly.

In summary, the part 2879640 Fuel Pump is a key component that interacts with various parts of the fuel system to ensure the engine receives the correct amount of fuel at the right pressure, contributing to overall engine performance and efficiency.

Conclusion

The Cummins 2879640 Fuel Pump plays a vital role in the fuel delivery system of commercial trucks, ensuring efficient and reliable fuel supply to the engine. Its durable design, advanced features, and compatibility with various engine models make it a valuable component for maintaining and upgrading engine systems. Regular maintenance and proper installation are essential for ensuring the longevity and optimal performance of this part.