3094773
Fuel Manifold
Cummins®

Introduction

The Cummins 3094773 Fuel Manifold is a critical component in heavy-duty truck engines, designed to manage the distribution of fuel to various engine components. Understanding its function and importance provides valuable insights into the performance and reliability of these vehicles.

Basic Concepts of Fuel Manifolds

A fuel manifold is part of the engine system that distributes fuel to different components, ensuring each part receives the necessary amount for optimal operation. It acts as a junction point where fuel lines converge and then branch out to supply fuel injectors or carburetors. The role of a fuel manifold is vital for maintaining consistent fuel delivery, which directly impacts engine performance and efficiency ¹.

Purpose of the Cummins 3094773 Fuel Manifold

The Cummins 3094773 Fuel Manifold is engineered to enhance the fuel distribution process in heavy-duty trucks. It ensures that fuel is evenly distributed to the engine’s cylinders, which is essential for maintaining balanced combustion and overall engine performance. This component supports the truck’s performance in demanding applications by ensuring efficient operation under various load conditions ².

Key Features

This Cummins part is characterized by its robust design and the use of high-quality materials, contributing to its durability and performance. It is engineered to withstand the high pressures and temperatures typical in heavy-duty truck engines. Additionally, its design may include features that enhance fuel flow and reduce the risk of fuel leaks, further ensuring reliable operation ³.

Benefits of Using the Cummins 3094773 Fuel Manifold

Incorporating this part into a truck’s engine system can lead to several advantages. These include improved fuel efficiency due to more precise fuel distribution, enhanced engine performance through balanced combustion, and increased reliability in heavy-duty applications. The manifold’s design and construction also contribute to its longevity, reducing the need for frequent replacements.

Installation and Integration

Proper installation of the Cummins 3094773 Fuel Manifold is key to ensuring optimal performance. It should be integrated into the engine system according to the manufacturer’s guidelines, which may include specific torque settings for bolts and proper alignment with fuel lines and injectors. Careful attention to these details during installation can help prevent issues such as fuel leaks or inefficient fuel distribution.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3094773 Fuel Manifold is important for its continued reliable operation. This includes periodic inspections for signs of wear, corrosion, or fuel leaks. Common issues may involve clogged fuel lines or damaged seals, which can be addressed through cleaning or replacement as necessary. Troubleshooting steps should follow a systematic approach to identify and resolve any problems affecting fuel distribution.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the automotive and heavy-duty truck components industry. With a history of innovation and a strong reputation for quality, Cummins is committed to producing reliable and high-performance parts. Their components, including the 3094773 Fuel Manifold, are designed with the aim of enhancing vehicle efficiency, performance, and durability.

Compatibility

The Cummins fuel manifold part number 3094773 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal fuel delivery and engine performance. This part is engineered to work with the following engines:

QST30 CM552 Engines

The Cummins fuel manifold 3094773 is specifically tailored for the QST30 CM552 engines. This engine series is known for its robust design and reliability, making it a popular choice in various industrial applications. The fuel manifold ensures that the fuel is distributed evenly across the engine’s cylinders, enhancing combustion efficiency and overall engine performance.

Grouping of Compatible Engines

While the primary focus is on the QST30 CM552 engines, the Cummins fuel manifold 3094773 is also compatible with other similar Cummins engine models. These engines share common design features and specifications, allowing the fuel manifold to integrate smoothly and effectively. By ensuring compatibility across these engine groups, Cummins maintains a high standard of performance and reliability for its customers.

Integration with Fuel System Components

The 3094773 Fuel Manifold is an integral component in the fuel delivery system of an engine, facilitating the distribution of fuel to various engine components. Its primary function is to ensure a consistent and regulated supply of fuel, which is essential for the efficient operation of the engine.

1. Fuel Injectors: The Fuel Manifold is directly connected to the fuel injectors. It supplies pressurized fuel to each injector, allowing for precise control over the fuel-air mixture delivered to the combustion chambers. This ensures optimal combustion efficiency and performance.

2. Fuel Rail: In many engine systems, the Fuel Manifold is part of the fuel rail assembly. The fuel rail distributes fuel to the injectors, and the manifold helps maintain consistent fuel pressure throughout the rail. This is vital for uniform fuel delivery across all cylinders.

3. Fuel Pressure Regulator: The Fuel Manifold often interfaces with the fuel pressure regulator. This regulator maintains the desired fuel pressure within the manifold, ensuring that the injectors receive the correct amount of fuel under varying engine loads and conditions.

4. Fuel Return Line: Excess fuel not used by the injectors is returned to the fuel tank via the return line. The Fuel Manifold plays a role in this process by managing the flow of fuel and ensuring that the system operates within specified pressure ranges.

Interaction with Plumbing Components

1. Fuel Lines: The Fuel Manifold is connected to the fuel lines that transport fuel from the tank to the engine. It acts as a junction point, distributing fuel to the various components while also managing the flow and pressure.

2. O-Rings and Seals: To ensure a leak-free system, the Fuel Manifold is equipped with O-rings and seals. These components prevent fuel leaks at connection points, maintaining the integrity of the fuel delivery system.

3. Mounting Brackets: The manifold is secured to the engine using mounting brackets. These brackets ensure that the manifold remains stable and properly aligned with other fuel system components, contributing to the overall reliability of the fuel delivery process.

Conclusion

The Cummins 3094773 Fuel Manifold is a key component in the fuel delivery system, ensuring that fuel is distributed efficiently and consistently to the engine’s fuel injectors. Its integration with various fuel system and plumbing components is essential for maintaining optimal engine performance and reliability.