4063062
Expansion Tank
Cummins®

The Cummins 4063062 Expansion Tank is a component designed to maintain the efficiency and reliability of the cooling system in heavy-duty trucks. Its role is significant as it helps manage the fluctuations in coolant volume that occur due to temperature changes, ensuring the system operates within optimal parameters.

Basic Concepts of Expansion Tanks

An expansion tank is a vital component in a vehicle’s cooling system. It functions by providing a reservoir for the coolant as it expands when heated and contracts when cooled. This process is governed by the principles of thermal expansion and contraction, which dictate that liquids increase in volume when heated and decrease in volume when cooled ¹. The expansion tank accommodates these volume changes, preventing pressure build-up within the cooling system that could lead to leaks or component failure.

Purpose of the Cummins 4063062 Expansion Tank

This Cummins part plays a role in the operation of a truck’s cooling system by managing the changes in coolant volume due to temperature variations. As the engine operates and generates heat, the coolant absorbs this heat and expands. The expansion tank provides a space for this expanded coolant, preventing excessive pressure within the system. Conversely, as the engine cools down, the coolant contracts, and the expansion tank allows coolant to flow back into the system, maintaining the proper coolant level and pressure ².

Key Features

The 4063062 is constructed with materials that offer durability and resistance to the harsh conditions within a heavy-duty truck’s cooling system. Its design includes a sufficient capacity to handle the volume changes of the coolant, ensuring efficient operation. Unique design elements may include reinforced walls to withstand pressure fluctuations and a secure mounting system to ensure stability during operation.

Benefits

This part offers several advantages within the cooling system. It contributes to improved system efficiency by maintaining optimal coolant levels and pressure. This stability reduces the risk of overheating, which can lead to engine damage. Additionally, by managing coolant volume changes effectively, the expansion tank enhances the longevity of cooling system components, contributing to the overall reliability of the truck.

Installation Considerations

When installing the 4063062, it is important to place it correctly within the cooling system to ensure it functions as intended. Compatibility with other components should be verified to avoid issues such as leaks or inefficient coolant flow. Following manufacturer guidelines for installation will help ensure the expansion tank operates effectively and contributes to the cooling system’s performance.

Maintenance and Troubleshooting

Routine maintenance of the 4063062 includes regular inspections for signs of wear, leaks, or damage. Common issues to watch for include cracks in the tank, loose connections, or signs of coolant contamination. Troubleshooting tips may involve checking the system for proper coolant levels, ensuring there are no obstructions in the coolant flow, and verifying that the expansion tank is securely mounted and properly sealed.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the automotive and heavy-duty truck industry. The company’s product range includes engines, powertrains, and related components, all designed to meet the demanding requirements of various applications.

Cummins Expansion Tank 4063062 Compatibility

The Cummins Expansion Tank part number 4063062 is designed to be compatible with a range of Cummins engines, ensuring efficient coolant management and system integrity. This part is crucial for maintaining the optimal performance of the cooling system in these engines.

G855 Engines

The G855 engine series benefits from the use of the 4063062 expansion tank. This part is engineered to fit seamlessly within the cooling system architecture of the G855 engines, providing a reliable reservoir for coolant expansion and contraction. Its integration ensures that the engine operates within its specified temperature range, preventing overheating and maintaining system pressure.

N14 G Engines

Similarly, the N14 G engine series is compatible with the Cummins Expansion Tank 4063062. This part is specifically designed to integrate with the cooling system of the N14 G engines, offering a robust solution for managing coolant levels and pressures. Its application in these engines helps to maintain the engine’s efficiency and longevity by preventing coolant-related issues.

By ensuring that the 4063062 expansion tank is correctly installed in these engines, operators can expect improved system reliability and reduced maintenance needs.

Role of Part 4063062 Expansion Tank in Engine Systems

The expansion tank, designated as part 4063062, is integral to the cooling system of an engine. It is connected to the radiator and the coolant reservoir, allowing for the expansion and contraction of coolant as it heats up and cools down. This helps maintain consistent pressure within the system, preventing leaks and ensuring efficient heat transfer ³.

When the engine operates, it generates significant heat, which is absorbed by the coolant circulating through the engine block and cylinder heads. As the coolant heats up, it expands and is directed into the expansion tank. This tank provides additional space for the coolant, accommodating the increased volume without causing pressure build-up in the system.

Conversely, as the engine cools down, the coolant contracts, and the excess volume is drawn back into the primary cooling circuit. This dynamic process is essential for maintaining optimal coolant levels and pressure, which in turn supports the radiator’s ability to dissipate heat effectively.

The expansion tank also plays a role in preventing airlocks within the cooling system. By allowing coolant to move freely between the radiator and the tank, it ensures that air pockets do not form, which could impede the flow of coolant and reduce the efficiency of the cooling process.

Furthermore, the expansion tank is often equipped with a pressure cap that regulates the system’s pressure. This cap allows excess pressure to be released when necessary, while also preventing coolant from boiling over at high temperatures. The cap also ensures that the system operates under a slight vacuum when cool, which helps draw coolant back into the engine after it has expanded into the tank.

In summary, part 4063062 expansion tank is a vital component that supports the overall functionality and reliability of the engine’s cooling system by managing coolant volume, pressure, and airlock prevention.

Conclusion

The Cummins 4063062 Expansion Tank is a critical component in the cooling system of heavy-duty trucks, designed to manage coolant volume fluctuations due to temperature changes. Its proper installation, maintenance, and compatibility with specific engine models ensure optimal system performance, reliability, and longevity. By understanding its role and benefits, operators can maintain efficient cooling systems, reducing the risk of engine damage and enhancing overall vehicle performance.