5341460
Diesel Exhaust Fluid Tank
Cummins®

Introduction

The Cummins 5341460 Diesel Exhaust Fluid (DEF) Tank is a component designed for use in heavy-duty trucks. Its purpose is to store DEF, which is used in the Selective Catalytic Reduction (SCR) system to reduce emissions. This tank plays a role in the overall operation of the truck by ensuring that the SCR system functions efficiently, thereby helping to meet environmental regulations and improve air quality ³.

Basic Concepts of Diesel Exhaust Fluid Tanks

A Diesel Exhaust Fluid (DEF) tank is a reservoir that holds DEF, a solution of urea and deionized water. In the SCR system, DEF is injected into the exhaust stream where it decomposes into ammonia. This ammonia reacts with nitrogen oxides (NOx) in the presence of a catalyst to form nitrogen (N2) and water (H2O), thereby reducing harmful emissions. The DEF tank is integral to this process as it provides a consistent supply of DEF to the SCR system ¹.

Purpose and Role of the Cummins 5341460 DEF Tank

The Cummins 5341460 DEF tank is specifically designed to store and deliver DEF to the exhaust stream in heavy-duty trucks. It ensures that the SCR system has a steady supply of DEF, which is necessary for the conversion of NOx into N2 and H2O. This process is vital for reducing the environmental impact of diesel engines by lowering their emission levels ².

Key Features

The Cummins 5341460 DEF tank is constructed with durability in mind, featuring materials and design elements that enhance its performance and reliability. It has a specific capacity tailored to the needs of heavy-duty trucks, ensuring that there is sufficient DEF for extended periods of operation. Unique design elements may include features that prevent DEF contamination and ensure efficient delivery to the SCR system ³.

Benefits of Using the Cummins 5341460 DEF Tank

Using the Cummins 5341460 DEF tank offers several benefits. It contributes to improved emission control by ensuring that the SCR system has a consistent supply of DEF. This helps in complying with environmental regulations and can lead to potential cost savings due to efficient DEF usage. The tank’s design also supports reliable operation, reducing the likelihood of downtime due to DEF-related issues ³.

Installation and Integration

Proper installation and integration of the Cummins 5341460 DEF tank into a heavy-duty truck’s exhaust system require attention to detail. This includes ensuring that all necessary components are in place and that the tank is correctly positioned to avoid DEF contamination and ensure efficient delivery. Adjustments may be needed to accommodate the tank within the truck’s existing exhaust system layout ³.

Troubleshooting Common Issues

Common issues with the Cummins 5341460 DEF tank may include leaks, contamination, or sensor malfunctions. Troubleshooting these issues involves inspecting the tank and its connections for signs of damage or wear, checking the DEF for contamination, and verifying the functionality of sensors and other components within the SCR system. Addressing these issues promptly can help maintain the efficiency of the emission control system ³.

Maintenance and Care

Regular maintenance and care of the Cummins 5341460 DEF tank are important for ensuring optimal performance and longevity. This includes routine inspections for leaks or damage, cleaning the tank to prevent DEF contamination, and checking the quality of the DEF to ensure it meets the required specifications. Adhering to recommended inspection intervals and maintenance procedures can help prevent issues and ensure reliable operation ³.

Environmental Impact

The use of the Cummins 5341460 DEF tank contributes to reducing the environmental impact of heavy-duty trucks by enabling the SCR system to effectively convert NOx into N2 and H2O. This process significantly lowers the emission of harmful pollutants, contributing to cleaner air quality and compliance with environmental regulations ².

Compatibility

This Cummins part is designed to be compatible with several Cummins engine models, ensuring efficient and reliable operation across various applications.

ISB/ISD4.5 CM2150 B119 and ISL9 CM2150 SN

These engines are part of Cummins’ mid-range power series, commonly used in medium-duty trucks, buses, and industrial applications.

ISBE4 CM850

This high-performance model is typically found in heavy-duty on-highway and vocational applications.

ISG12 CM2880 G107 and ISL9.5 CM2880 L138

These engines are part of Cummins’ heavy-duty series, often used in long-haul trucking and heavy industrial machinery.

ISZ13 CM2150 Z105

This engine is another member of Cummins’ mid-range power series, frequently used in medium-duty applications such as refuse trucks and construction equipment.

Role in Engine Systems

The Diesel Exhaust Fluid (DEF) tank, identified by part number 5341460, is integral to the operation of modern diesel engines equipped with Selective Catalytic Reduction (SCR) systems. This component is designed to store DEF, which is a solution of urea and deionized water. The DEF is utilized to reduce harmful nitrogen oxides (NOx) emissions produced by diesel engines.

In the engine arrangement, the DEF tank is connected to the doser fluid supply module. This module is responsible for metering and injecting the DEF into the exhaust stream upstream of the SCR catalyst. The DEF, when introduced into the exhaust, decomposes into ammonia and carbon dioxide. The ammonia then reacts with NOx in the presence of the SCR catalyst, converting them into harmless nitrogen and water vapor.

The DEF tank must be adequately sized and positioned within the engine compartment to ensure a consistent supply of DEF to the doser fluid supply module. This ensures the SCR system operates efficiently, maintaining compliance with emissions regulations. The tank is typically equipped with a level sensor that monitors the DEF quantity, providing feedback to the engine control unit (ECU). This allows the ECU to manage the DEF injection process and alert the operator when the tank requires refilling ³.

Conclusion

The Cummins 5341460 Diesel Exhaust Fluid Tank plays a crucial role in the emissions control strategy of diesel engines. Its proper function and integration with the doser fluid supply module are essential for the effective reduction of NOx emissions, contributing to a cleaner and more environmentally friendly operation of diesel-powered vehicles ³.