Cummins has some of the best research, development, and engineering minds in the industry. Our advanced, world-class fuel system technologies help you get the most out of your engine.
Cummins leverages over 80 years of fuel systems experience in its current operations, located in Columbus, Indiana; El Paso, Texas; and Juarez, Mexico. We produce and remanufacture both unit injectors and common rail systems. Cummins is expanding fuel system manufacturing capabilities in other areas of the world to ensure future growth and support in emerging global markets.
The new product line of fuel systems supports engine applications ranging from 6 to 78 liters. The remanufacturing business supplies fully reconditioned products for engine remanufacturing and field service needs.
Click on the 'blue' spots on this interactive and find out more about the components of the fuel delivery system. Click on Dive Deeper to explore in detail.
Unit injectors play a crucial role in modern diesel fuel systems, especially those employing common rail fuel systems. These precision-engineered components are integral to the fuel injection process in diesel engines, ensuring efficient combustion and optimal fuel economy. As part of the fuel system, unit injectors work in conjunction with fuel pumps, fuel lines, and injection pumps to deliver diesel fuel from the fuel tank through primary and secondary fuel filters. The process begins with a transfer pump drawing diesel fuel from the fuel tank, passing it through the primary fuel filter, and then through the injection pump. The injection pump pressurizes the fuel and delivers it to individual unit injectors, which, in turn, precisely inject the fuel directly into each cylinder's combustion chamber.
This technology represents a significant advancement in diesel engine performance, as it allows for more precise control of fuel delivery, enhancing combustion efficiency. The intricate design and manufacturing of unit injectors incorporate advanced technologies to achieve this level of precision. In addition to improving fuel efficiency, unit injectors also contribute to reduced emissions and protect the engine components. As Cummins continues to develop and apply cutting-edge technologies in diesel fuel systems, our unit injectors play an important role in meeting the demand for cleaner, more fuel-efficient engines.
Common rail fuel systems revolutionize the diesel fuel injection process in modern engines, significantly improving performance, fuel economy, and emissions control. At the heart of these systems are common rail injectors, which play a pivotal role in delivering precise amounts of diesel fuel to the combustion chambers. In a common rail setup, diesel fuel is stored in a high-pressure rail that supplies fuel to each injector independently. This approach ensures a constant and consistent high pressure, allowing for precise control over fuel injection timing and quantity. The common rail injectors operate in conjunction with other fuel system components, such as fuel pumps, fuel lines, and filters, ensuring a clean and efficient fuel supply.
The technology behind Cummins' common rail fuel systems represents a breakthrough in diesel engine design, as it allows for more flexible and precise fuel delivery, leading to improved fuel economy and reduced emissions. These systems contribute to enhanced combustion efficiency by delivering fuel at high pressure directly to the combustion chamber. The development of these systems is a result of extensive research and the application of advanced technologies in the manufacturing process. Cummins invests in these technologies to meet stringent emission standards and provide vehicles with optimal fuel efficiency and performance.
Cummins Fuel System Key Offerings
Industry-leading technology
Cummins leads the industry with its cutting-edge fuel pumps, injectors, and systems. The incorporation of advanced technology ensures optimal efficiency and performance, staying true to Cummins' reputation for innovation.
Custom solutions for varied applications
Our fuel systems demonstrate an exceptional capability to address specialized needs across diverse applications. Whether in primary fuel filters, secondary fuel filters, or fuel tanks, we tailor solutions with precision.
Fully integrated solutions for optimal performance
Beyond standalone components, Cummins excels in providing fully integrated solutions. This holistic approach optimizes engine performance and fuel economy, leveraging the synergy of various fuel system components.
