4387623
Diesel Exhaust Fluid Tank
Cummins®

The Cummins Diesel Exhaust Fluid Tank, part number 4387623, is a component designed to store Diesel Exhaust Fluid (DEF), which is used in the Selective Catalytic Reduction (SCR) system of heavy-duty trucks. This part is integral to the operation of modern diesel engines, particularly in ensuring compliance with stringent emissions regulations. By facilitating the reduction of nitrogen oxides (NOx) in exhaust gases, the 4387623 tank contributes to cleaner air quality and helps maintain environmental standards ¹.

Basic Concepts of Diesel Exhaust Fluid Tanks

A Diesel Exhaust Fluid Tank is a reservoir that holds DEF, a solution of urea and deionized water. Within the SCR system, DEF is injected into the exhaust stream where it decomposes into ammonia and carbon dioxide. The ammonia then reacts with NOx in the presence of a catalyst, converting these harmful emissions into nitrogen and water vapor. This process significantly reduces the amount of NOx released into the atmosphere, playing a key role in emission control strategies for diesel engines ².

Purpose and Role of the 4387623 Diesel Exhaust Fluid Tank

The 4387623 Diesel Exhaust Fluid Tank is specifically designed to store DEF for use in the SCR system of heavy-duty trucks. Its role involves ensuring a consistent supply of DEF to the injection system, which is crucial for the effective reduction of NOx emissions. By maintaining the DEF reservoir, the tank supports the SCR system’s function, contributing to lower emissions and helping trucks meet regulatory requirements ³.

Key Features of the 4387623 Diesel Exhaust Fluid Tank

The 4387623 Diesel Exhaust Fluid Tank is constructed with durability and performance in mind. It is made from high-quality materials that resist corrosion and withstand the demands of heavy-duty applications. The tank’s design includes a sufficient capacity to accommodate the DEF needs of the truck, ensuring prolonged operation without frequent refills. Additionally, it features a secure fitting system to prevent leaks and maintain the integrity of the DEF supply ⁴.

Benefits of Using the 4387623 Diesel Exhaust Fluid Tank

Utilizing the 4387623 Diesel Exhaust Fluid Tank offers several advantages. It enhances emission control by ensuring a reliable DEF supply for the SCR system, which is vital for reducing NOx emissions. This contributes to compliance with environmental regulations, avoiding potential fines and penalties. Furthermore, efficient emission control can lead to improvements in fuel efficiency, as the SCR system operates optimally with a consistent DEF supply ¹.

Installation and Integration

When installing the 4387623 Diesel Exhaust Fluid Tank, it is important to consider compatibility with the truck’s exhaust system and engine type. Proper integration involves securing the tank in a location that is easily accessible for refilling and maintenance, while also ensuring it is protected from physical damage and extreme temperatures. Following manufacturer guidelines for installation helps ensure the tank functions effectively within the SCR system ².

Maintenance and Troubleshooting

Regular maintenance of the 4387623 Diesel Exhaust Fluid Tank includes inspecting for leaks, checking the DEF level, and ensuring the injection system is functioning correctly. Common issues may involve DEF contamination or leaks in the tank or its fittings. Addressing these problems promptly helps maintain the efficiency of the SCR system and ensures continued compliance with emissions standards ³.

Environmental Impact

The use of the 4387623 Diesel Exhaust Fluid Tank plays a role in reducing the environmental impact of heavy-duty trucks by facilitating the SCR system’s ability to lower NOx emissions. This contributes to improved air quality and helps mitigate the effects of diesel exhaust on the environment. By enabling trucks to meet and exceed emissions regulations, the tank supports broader efforts towards sustainability in the transportation sector ⁴.

Regulatory Compliance

The 4387623 Diesel Exhaust Fluid Tank aids in ensuring that heavy-duty trucks comply with emissions regulations set by environmental agencies. By effectively reducing NOx emissions through the SCR system, the tank helps trucks meet the standards required to operate legally and sustainably. This compliance is crucial for avoiding penalties and contributing to a cleaner environment ¹.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history of innovation in diesel engine technology, Cummins is committed to advancing sustainability and efficiency in the automotive industry. The company’s expertise in engine systems and emission control solutions underscores its role in providing reliable and high-performance components like the 4387623 Diesel Exhaust Fluid Tank ².

Cummins Diesel Exhaust Fluid Tank (Part 4387623) Compatibility

The Cummins Diesel Exhaust Fluid (DEF) Tank, part number 4387623, is designed to be compatible with a range of Cummins engines, ensuring efficient and reliable operation across various models. This DEF tank is integral to the Selective Catalytic Reduction (SCR) system, which helps reduce nitrogen oxide (NOx) emissions in diesel engines.

Compatibility with Specific Engine Models

• F3.8 CM2350: The DEF tank is engineered to seamlessly integrate with the F3.8 CM2350 engine, providing the necessary DEF storage and delivery for optimal SCR performance.

• F128C, QSB6.7 CM2350 B105: This part is also compatible with the F128C and QSB6.7 CM2350 B105 engines. The DEF tank ensures that the SCR system functions effectively, maintaining emission standards and engine performance.

• QSL9 CM2350 L102: The QSL9 CM2350 L102 engine benefits from the DEF tank’s precise DEF management, ensuring that the SCR system operates efficiently and reliably.

• QSX15 CM2350 X105: For the QSX15 CM2350 X105 engine, the DEF tank is designed to provide the necessary DEF storage and delivery, supporting the SCR system in reducing NOx emissions.

The Cummins Diesel Exhaust Fluid Tank is a critical component for maintaining the environmental compliance and performance of these engines. Its compatibility with the listed models ensures that the SCR system functions as intended, contributing to lower emissions and better engine efficiency ³.

Integration of Part 4387623 Diesel Exhaust Fluid Tank in Engine Systems

The Diesel Exhaust Fluid (DEF) tank, identified by part number 4387623, is an integral component in modern diesel engine systems designed to meet stringent emissions regulations. This tank stores DEF, a solution of urea and deionized water, which is essential for the Selective Catalytic Reduction (SCR) system.

When DEF is required, it is pumped from the tank through a series of lines and filters to ensure purity before it reaches the SCR system. The SCR system injects DEF into the exhaust stream where it decomposes into ammonia. This ammonia reacts with nitrogen oxides (NOx) in the presence of a catalyst, converting them into harmless nitrogen and water vapor.

The DEF tank is connected to the DEF pump, which ensures a consistent flow of fluid to the injector. The system includes sensors that monitor the DEF level and quality, providing feedback to the engine control unit (ECU). The ECU uses this data to adjust the injection rate and to alert the operator if DEF is low or if there is a system malfunction.

In summary, the DEF tank plays a significant role in the overall emissions control strategy of diesel engines, working in concert with the DEF pump, injectors, SCR catalyst, and the ECU to ensure efficient and compliant operation ⁴.

Conclusion

The Cummins Diesel Exhaust Fluid Tank, part number 4387623, is a vital component in the SCR system of heavy-duty trucks. It ensures a consistent supply of DEF, which is crucial for reducing NOx emissions and maintaining compliance with environmental regulations. The tank’s durable construction, secure fitting system, and compatibility with various Cummins engines make it an essential part of modern diesel engine systems. Regular maintenance and proper integration are key to maximizing its effectiveness and ensuring the continued efficiency of the SCR system.