4006855
Water Transfer Tube
Cummins®

The Water Transfer Tube (Part #4006855) by Cummins is a component designed to facilitate the efficient transfer of coolant within the cooling system of commercial trucks. Its role is significant in maintaining the optimal operating temperature of the engine, thereby contributing to the overall performance and longevity of the vehicle ¹.

Function and Operation

The Water Transfer Tube operates by channeling coolant from the engine to the radiator and back. This continuous circulation helps in dissipating heat generated by the engine, ensuring that it remains within safe operating temperatures. The tube is engineered to withstand the pressures and temperatures inherent in the cooling system, providing a reliable pathway for coolant flow ².

Key Features

This Cummins part is characterized by its durable construction, which is vital for withstanding the harsh conditions within a truck’s engine compartment. It is precisely engineered to fit seamlessly within Cummins engines, ensuring compatibility and efficient operation. The material used in its construction is resistant to corrosion and wear, contributing to its longevity and reliability ³.

Benefits

Utilizing the Water Transfer Tube in a truck’s cooling system offers several advantages. It contributes to improved engine performance by ensuring consistent coolant flow, which is crucial for maintaining engine temperature. The tube’s durable construction enhances the overall durability of the cooling system, while its efficient design ensures reliable cooling efficiency, reducing the risk of overheating ⁴.

Installation and Maintenance

Proper installation of the Water Transfer Tube is crucial for ensuring optimal performance. It should be installed according to the manufacturer’s guidelines to avoid leaks and ensure proper coolant flow. Regular maintenance, including inspection for wear or damage, is recommended to prevent issues. Inspection intervals should be in line with the manufacturer’s recommendations or based on the operating conditions of the vehicle.

Common Issues and Troubleshooting

Common issues with the Water Transfer Tube may include leaks or blockages, which can impede the efficient transfer of coolant. Troubleshooting these issues involves inspecting the tube for signs of wear, corrosion, or damage. Addressing these issues promptly can prevent more severe problems, such as engine overheating.

Manufacturer Overview

Cummins Inc. is a renowned manufacturer with a long-standing reputation in the automotive and heavy-duty truck industry. The company is committed to producing high-quality components that meet the demanding requirements of commercial vehicles. Cummins’ expertise in engine technology and component manufacturing ensures that their products, including the Water Transfer Tube, are designed for reliability, performance, and durability.

Water Transfer Tube (Part 4006855) in Cummins Engines

The Water Transfer Tube, part number 4006855, is a critical component in several Cummins engine models, ensuring efficient thermal management by facilitating the transfer of coolant between different parts of the engine. This part is integral to maintaining optimal operating temperatures and preventing overheating, which is crucial for the longevity and performance of the engine.

QSK78 Series

In the QSK78 series, the Water Transfer Tube is designed to work seamlessly with the engine’s complex cooling system. This series is known for its robust construction and high power output, making it suitable for heavy-duty applications. The tube ensures that coolant is effectively circulated, maintaining the engine’s efficiency and reliability under demanding conditions.

CM500 Series

The CM500 series engines also benefit from the Water Transfer Tube, which is engineered to fit precisely within the engine’s cooling architecture. This series is typically used in marine and industrial applications, where consistent performance and durability are paramount. The tube’s design allows for efficient heat dissipation, helping to maintain the engine’s operational integrity in various environments.

Integration and Functionality

The Water Transfer Tube is meticulously designed to integrate with the engine’s cooling system, ensuring that coolant flows smoothly and efficiently. This part is crucial in preventing hotspots and ensuring that the engine operates within its optimal temperature range. Its precise fit and high-quality construction make it a reliable component in both the QSK78 and CM500 series engines.

Role of Part 4006855 Water Transfer Tube in Engine Systems

The part 4006855 Water Transfer Tube is an essential component in the efficient operation of engine systems, particularly in ensuring the proper circulation of water within the system.

In the context of the manifold, the Water Transfer Tube facilitates the movement of water from the manifold to other parts of the engine. This is important for maintaining consistent water pressure and flow, which in turn helps in evenly distributing coolant throughout the engine. Proper coolant distribution is key to preventing hotspots and ensuring that all parts of the engine remain within optimal operating temperatures.

Regarding the water system of the engine, the Water Transfer Tube plays a significant role in connecting various water passages. It ensures that water is efficiently transferred from the water pump to the cylinder heads, and subsequently to the radiator. This continuous circulation is vital for dissipating heat generated during combustion, thereby protecting engine components from thermal damage.

Additionally, the Water Transfer Tube aids in the effective operation of the thermostat. By ensuring a steady flow of water, it helps the thermostat accurately regulate the engine’s temperature. This regulation is essential for the engine’s performance and longevity, as it prevents both overheating and inefficient operation at lower temperatures.

Conclusion

In summary, the 4006855 Water Transfer Tube is integral to the engine’s water management system, contributing to the overall efficiency and reliability of the engine by ensuring proper coolant circulation and temperature regulation.