3640555
Water Transfer Tube
Cummins®

The Cummins 3640555 Water Transfer Tube is a component designed to facilitate the efficient transfer of coolant within the cooling system of commercial trucks. Its role is significant in maintaining optimal engine temperature, which is vital for the performance and longevity of the vehicle.

Basic Concepts of Water Transfer Tubes

A water transfer tube is a conduit within the cooling system that allows coolant to circulate between the engine and the radiator. This circulation helps dissipate heat generated by the engine, ensuring that the engine operates within safe temperature ranges. The tube operates by providing a pathway for coolant to flow, driven by the water pump, which circulates the coolant through the engine block, where it absorbs heat, and then to the radiator, where the heat is released into the atmosphere ¹.

Purpose of the 3640555 Water Transfer Tube

This Cummins part specifically plays a role in the truck’s cooling system by enabling the movement of coolant between the engine and radiator. This facilitates efficient heat exchange, which is crucial for maintaining engine temperature under various operating conditions. By ensuring a consistent flow of coolant, the tube helps prevent overheating, which can lead to engine damage.

Key Features

The design and construction of the 3640555 incorporate several features that enhance its performance and durability. It is typically made from high-quality materials resistant to corrosion and high temperatures. The tube features secure connection points that ensure a leak-free seal, and its design may include reinforcements to withstand the pressures within the cooling system.

Benefits

The 3640555 offers several advantages. It provides improved coolant flow, which enhances the efficiency of the cooling system. This results in better engine protection against overheating, especially in demanding operating conditions. Additionally, the tube’s durable construction contributes to the overall reliability of the truck’s cooling system.

Installation Considerations

When installing this part, it is important to follow guidelines and best practices to ensure proper setup. Compatibility with various truck models should be verified, and any specific requirements for installation, such as torque specifications for connection points, should be adhered to. Proper installation is key to ensuring the tube functions effectively within the cooling system.

Troubleshooting Common Issues

Typical problems associated with water transfer tubes include leaks and blockages. These issues can be identified through regular inspections and diagnostic procedures. For leaks, checking connection points and seals for integrity is recommended. Blockages may require flushing the cooling system to remove any debris that could impede coolant flow. Addressing these issues promptly helps maintain the efficiency of the cooling system.

Maintenance Tips

To ensure the longevity and optimal performance of the 3640555, routine maintenance practices are recommended. This includes regular inspections for signs of wear or damage, ensuring connection points remain secure, and cleaning the tube as part of routine cooling system maintenance. Adhering to manufacturer-recommended inspection intervals can help prevent issues before they become problematic.

Cummins Corporation Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of products, including engines, filtration systems, and aftermarket parts. The company has a reputation for quality and innovation, which is reflected in its manufacturing of components like the 3640555. Cummins’ commitment to excellence ensures that its products meet the high standards required for commercial truck applications.

Water Transfer Tube Part 3640555 in Cummins Engines

The Water Transfer Tube part number 3640555 is a component in the cooling system of certain Cummins engines. This part is designed to facilitate the transfer of coolant between different parts of the engine, ensuring efficient heat dissipation and maintaining optimal operating temperatures.

Application in QSK38 Engines

In the QSK38 series engines, the Water Transfer Tube part 3640555 is integral to the cooling system architecture. These engines, which include the QSK38 CM2150 K106 and QSK38 CM2150 MCRS, benefit from this component’s precise engineering. The tube ensures that coolant flows smoothly from the water pump to the radiator and other cooling components, enhancing the engine’s overall thermal management.

Application in CM850 Engines

The QSK38 CM850 MCRS engine also utilizes the Water Transfer Tube part 3640555. This engine, known for its robust performance and reliability, depends on the efficient transfer of coolant to maintain its operational integrity. The tube’s design allows for optimal coolant flow, which is crucial for preventing overheating and ensuring the longevity of the engine.

Common Functionality Across Models

Across the QSK38 CM2150 K106, QSK38 CM2150 MCRS, and QSK38 CM850 MCRS engines, the Water Transfer Tube part 3640555 performs a similar function. It is engineered to withstand the high pressures and temperatures typical of these engines, ensuring that the coolant circulates effectively. This part’s reliability and performance are critical for the engines’ efficiency and durability.

By integrating the Water Transfer Tube part 3640555 into their cooling systems, Cummins ensures that these engines operate at peak efficiency, providing the performance and reliability that users expect.

Role of Part 3640555 Water Transfer Tube in Engine Systems

The part 3640555 water transfer tube is integral to the efficient operation of both the primary engine system and the auxiliary cooling system. In the primary engine system, this component facilitates the smooth transfer of coolant from the engine block to the radiator. This ensures that the engine maintains optimal operating temperatures, preventing overheating and potential damage to engine components.

In the auxiliary cooling system, the water transfer tube plays a similarly important role. It aids in the circulation of coolant to additional components that require temperature regulation, such as turbochargers, aftercoolers, or intercoolers. This helps in maintaining the performance and longevity of these components by ensuring they operate within their specified temperature ranges.

The effective functioning of the water transfer tube is dependent on its precise fit within the engine’s coolant passages and its secure connection to both the engine block and the radiator. It must also interface correctly with the auxiliary cooling system’s components, ensuring a consistent flow of coolant throughout the system. This integration is essential for the overall thermal management of the engine, contributing to its reliability and efficiency.

Conclusion

The Cummins 3640555 Water Transfer Tube is a vital component in the cooling systems of commercial trucks, particularly in Cummins engines. Its role in facilitating efficient coolant transfer is crucial for maintaining optimal engine temperatures, preventing overheating, and ensuring the longevity and reliability of the engine. Proper installation, regular maintenance, and prompt troubleshooting of common issues are essential practices to maximize the performance and durability of this part.