4387619
Diesel Exhaust Fluid Tank
Cummins®

The Diesel Exhaust Fluid Tank (Part #4387619) by Cummins is a component designed to store and deliver Diesel Exhaust Fluid (DEF) in heavy-duty trucks. It plays a role in the Selective Catalytic Reduction (SCR) system, which is integral to the operation of modern diesel engines. This tank ensures that DEF is available for injection into the exhaust stream, where it aids in the reduction of nitrogen oxide (NOx) emissions, helping trucks meet stringent environmental regulations 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 environmental impact of diesel engines ².

Purpose and Function of the 4387619 Diesel Exhaust Fluid Tank

This Cummins part is specifically engineered to store and deliver DEF within the SCR system. It ensures a consistent supply of DEF to the injection system, which is crucial for the effective reduction of NOx emissions. By maintaining the correct DEF levels, this tank helps heavy-duty trucks adhere to emissions standards, ensuring environmental compliance and optimal engine performance ³.

Key Features of the 4387619 Diesel Exhaust Fluid Tank

The 4387619 Diesel Exhaust Fluid Tank is constructed from high-quality materials that resist corrosion and ensure durability. It is designed to withstand the harsh conditions typically encountered in heavy-duty truck applications. The tank features a robust construction, adequate capacity to meet the demands of long-haul operations, and incorporates design elements that enhance its performance and longevity.

Benefits of Using the 4387619 Diesel Exhaust Fluid Tank

Incorporating this Cummins part into heavy-duty truck fleets offers several advantages. It contributes to improved emissions control, ensuring compliance with environmental regulations. Additionally, efficient DEF delivery can lead to potential fuel efficiency gains, as the SCR system operates more effectively. The tank’s reliable performance also reduces the likelihood of downtime due to emissions-related issues.

Installation and Integration

When installing the 4387619 Diesel Exhaust Fluid Tank, it is important to follow manufacturer guidelines to ensure proper integration with the truck’s emissions control system. Compatibility with various truck models should be verified to ensure seamless installation. Integration considerations include proper placement within the vehicle, secure mounting, and correct connection to the DEF injection system.

Maintenance and Troubleshooting

Routine maintenance of the 4387619 Diesel Exhaust Fluid Tank involves regular inspections for signs of wear, corrosion, or leaks. Cleaning protocols should be followed to prevent contamination of the DEF. Troubleshooting common issues, such as sensor malfunctions or leaks, requires a systematic approach to identify and resolve problems promptly, ensuring the continued efficient operation of the SCR system.

Environmental Impact and Regulations

The use of Diesel Exhaust Fluid Tanks like the 4387619 plays a role in reducing nitrogen oxide (NOx) emissions from diesel engines. This reduction contributes to improved air quality and compliance with environmental regulations governing emissions in the trucking industry. Understanding and adhering to these regulations is vital for operators to maintain legal and environmental compliance.

Cummins: A Brief 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 and a commitment to sustainability, Cummins offers a comprehensive portfolio of products and services designed to meet the needs of various industries, including heavy-duty trucking. The company’s focus on advancing emissions control technologies underscores its dedication to environmental stewardship and regulatory compliance.

Cummins Diesel Exhaust Fluid Tank (Part 4387619) Compatibility

The Cummins Diesel Exhaust Fluid (DEF) Tank, identified by part number 4387619, is designed to be compatible with a range of Cummins engines. This part is integral for the Selective Catalytic Reduction (SCR) system, which reduces nitrogen oxide emissions in diesel engines.

Compatible Engines

• F3.8 CM2350: The DEF tank is engineered to integrate seamlessly with the F3.8 CM2350 engine, ensuring optimal performance and emission control.
• F128C, QSB6.7 CM2350 B105: This part is also suitable for the F128C and QSB6.7 CM2350 B105 engines. Its design allows for effective DEF storage and delivery, crucial for maintaining the SCR system’s efficiency.
• QSL9 CM2350 L102: The DEF tank is compatible with the QSL9 CM2350 L102 engine, providing a reliable solution for managing DEF levels and ensuring the engine operates within emission standards.
• QSX15 CM2350 X105: The part is also designed to fit the QSX15 CM2350 X105 engine, supporting the SCR system’s requirements for reducing harmful emissions.

The DEF tank’s compatibility across these engines underscores its versatility and importance in maintaining the SCR system’s functionality.

Integration of Diesel Exhaust Fluid Tank (Part 4387619) in Engine Systems

The Diesel Exhaust Fluid (DEF) tank, identified by part number 4387619, is an integral component in modern diesel engine systems, specifically those equipped with Selective Catalytic Reduction (SCR) technology. This tank stores DEF, a solution of urea and deionized water, which is essential for the reduction of nitrogen oxides (NOx) emissions.

When DEF is injected into the exhaust stream upstream of the SCR catalyst, it decomposes into ammonia and carbon dioxide. The ammonia then reacts with NOx in the presence of the catalyst, converting them into harmless nitrogen and water vapor. The DEF tank is connected to the DEF dosing system, which includes the DEF pump, injector, and associated sensors and control units.

The DEF pump draws DEF from the tank and delivers it to the injector, which precisely meters the fluid into the exhaust stream. Sensors monitor the DEF level in the tank and the quality of the fluid, ensuring that the SCR system operates efficiently. The control unit processes data from these sensors and adjusts the DEF dosage as needed to maintain optimal emission reduction.

In summary, the DEF tank (part 4387619) works in concert with the DEF dosing system and the SCR catalyst to ensure that diesel engines meet stringent emission standards, contributing to cleaner air and compliance with environmental regulations.

Conclusion

The 4387619 Diesel Exhaust Fluid Tank by Cummins is a critical component in the SCR system of modern diesel engines. It ensures the efficient reduction of NOx emissions, contributing to environmental compliance and improved engine performance. Proper installation, maintenance, and understanding of its role in emissions control are essential for operators to maximize the benefits of this technology.