4003564
Expansion Tank
Cummins®

Introduction

The Cummins 4003564 Expansion Tank is a component designed for use in the cooling systems of commercial trucks. Its primary function is to manage the fluctuations in coolant volume that occur due to thermal expansion and contraction. By accommodating these changes, the expansion tank helps maintain the efficiency and reliability of the cooling system.

Basic Concepts of Expansion Tanks

An expansion tank is a vital component in any liquid cooling system. It serves as a reservoir that allows for the expansion of coolant as it heats up and contracts as it cools down. This process is governed by the principles of thermal expansion and contraction, where liquids increase in volume when heated and decrease in volume when cooled ¹. The expansion tank ensures that these volume changes do not cause excessive pressure within the cooling system, which could lead to leaks or damage to system components.

Purpose of the Cummins 4003564 Expansion Tank

The Cummins 4003564 Expansion Tank plays a significant role in the cooling system by regulating pressure and managing coolant volume. It maintains a stable environment within the system, preventing pressure build-up that could otherwise lead to leaks or component failure. Additionally, it ensures that the coolant level remains consistent, which is crucial for optimal cooling efficiency and engine protection.

Key Features

The Cummins 4003564 Expansion Tank is engineered with specific design and construction features to enhance its performance and durability. It is constructed using high-quality materials that are resistant to corrosion and wear, ensuring long-term reliability ². The tank’s design includes robust connections and seals to prevent leaks, and it may feature unique elements such as integrated pressure relief mechanisms to further enhance its functionality.

Benefits of Using the Cummins 4003564 Expansion Tank

Utilizing the Cummins 4003564 Expansion Tank offers several advantages. It contributes to improved engine longevity by ensuring consistent and efficient cooling. The tank’s design helps maintain optimal coolant levels, which enhances the overall cooling efficiency of the system. Additionally, its durable construction reduces the need for frequent maintenance, providing a cost-effective solution for commercial truck operators.

Installation Considerations

When installing the Cummins 4003564 Expansion Tank, it is important to follow guidelines and best practices to ensure proper functionality. Compatibility with various truck models should be verified to ensure a seamless integration into the existing cooling system. Proper installation techniques, including secure mounting and correct connection of hoses and fittings, are crucial to prevent issues such as leaks or inefficient cooling.

Troubleshooting Common Issues

Expansion tanks can encounter issues such as leaks or pressure irregularities. Common problems may include damaged seals, corroded connections, or blockages within the tank. Diagnostic procedures involve inspecting the tank for visible signs of damage, checking connection points for leaks, and ensuring that the pressure relief mechanisms are functioning correctly. Repair procedures may include replacing damaged components, tightening connections, or cleaning blockages.

Maintenance Tips

Regular maintenance practices are key to ensuring the longevity and efficiency of the Cummins 4003564 Expansion Tank. This includes periodic inspection of the tank for signs of wear or damage, checking connection points for leaks, and ensuring that the coolant level is within the recommended range. Coolant checks should be performed regularly to maintain the proper mixture and concentration, which is vital for effective cooling.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and aftermarket parts. With a history spanning over a century, Cummins is committed to innovation and quality, providing reliable and efficient products for various industries, including automotive and heavy-duty trucking. The company’s dedication to excellence is reflected in its comprehensive product range and ongoing efforts to advance technology and sustainability in the power industry.

Cummins Expansion Tank 4003564 Compatibility

The Cummins Expansion Tank part number 4003564 is designed to work seamlessly with a variety of Cummins engines, ensuring optimal performance and longevity. This expansion tank is integral to the engine’s cooling system, managing the thermal expansion of the coolant and preventing overheating.

Engine Compatibility

• 6B5.9 Series: The 4003564 expansion tank is specifically engineered to fit the 6B5.9 engine series. This compatibility ensures that the tank can effectively handle the thermal dynamics of the engine, maintaining the coolant at the appropriate pressure levels.

• Other Cummins Engines: While the primary focus is on the 6B5.9 series, the 4003564 expansion tank is also compatible with other Cummins engines that share similar design and operational parameters. This includes various industrial and commercial engines where thermal management is critical.

Installation and Integration

The installation of the 4003564 expansion tank is straightforward, designed to integrate easily into the engine’s existing cooling system. Proper installation ensures that the tank can efficiently manage coolant expansion, reducing the risk of system failures and extending the engine’s operational life.

Performance Benefits

Using the 4003564 expansion tank with Cummins engines provides several performance benefits:

• Enhanced Thermal Management: The tank helps maintain optimal coolant pressure, preventing overheating and ensuring efficient heat dissipation.
• Increased Reliability: By managing thermal expansion, the tank reduces stress on engine components, leading to fewer breakdowns and longer service intervals.
• Improved Efficiency: Efficient thermal management contributes to overall engine efficiency, reducing fuel consumption and operational costs.

Role of Part 4003564 Expansion Tank in Engine Systems

The 4003564 Expansion Tank is an integral component in maintaining the efficiency and reliability of engine systems, particularly in relation to the heat exchanger.

When the engine operates, it generates a significant amount of heat. The heat exchanger is designed to dissipate this heat, ensuring the engine remains within optimal operating temperatures. As the coolant circulates through the heat exchanger, it absorbs heat from the engine and transfers it to the surrounding air.

The 4003564 Expansion Tank plays a key role in this process by providing a reservoir for the coolant. As the coolant heats up, it expands, and the expansion tank accommodates this increase in volume, preventing excessive pressure within the cooling system. This helps maintain a consistent flow of coolant through the heat exchanger, enhancing its effectiveness in dissipating heat.

Additionally, the expansion tank allows for the safe release of pressure when the system is hot, and it draws coolant back into the system when the engine cools down, ensuring the system remains properly filled. This dynamic interaction between the expansion tank and the heat exchanger is essential for the sustained performance and longevity of the engine system.

Conclusion

The Cummins 4003564 Expansion Tank is a critical component in the cooling systems of commercial trucks, designed to manage the fluctuations in coolant volume due to thermal expansion and contraction. Its role in maintaining optimal coolant pressure and volume ensures the efficiency and reliability of the cooling system. The tank’s durable construction and robust design features contribute to its long-term reliability and reduced maintenance needs. Proper installation and regular maintenance are essential to maximize the benefits of this Cummins part, ensuring consistent and efficient cooling for the engine.