4006967
Water Transfer Tube
Cummins®

Introduction

The Cummins 4006967 Water Transfer Tube is designed to facilitate efficient coolant transfer within the cooling system of commercial trucks. This component is essential for maintaining optimal engine temperature, ensuring the engine operates within safe thermal limits, and enhancing overall performance and longevity of the vehicle ¹.

Basic Concepts of Water Transfer Tubes

A Water Transfer Tube is a conduit within a truck’s cooling system that allows coolant to circulate between the engine and the radiator. This circulation is vital for dissipating heat generated by the engine, thus maintaining engine temperature within specified operational ranges. The proper function of a Water Transfer Tube is fundamental to the cooling system’s effectiveness, directly impacting engine efficiency and durability ².

Purpose of the 4006967 Water Transfer Tube

The Cummins 4006967 Water Transfer Tube specifically serves to enhance the transfer of coolant in the truck’s cooling system. By providing a direct and unobstructed path for coolant flow, it ensures that the engine remains adequately cooled under various operating conditions. This component plays a role in the cooling system by facilitating efficient coolant circulation, which is crucial for thermal management in commercial trucks ³.

Key Features

The Cummins 4006967 Water Transfer Tube is characterized by several key features that contribute to its performance. It is constructed from durable materials designed to withstand the high temperatures and pressures within the cooling system. Its design includes precise fittings and connections that ensure a secure and leak-free installation. Additionally, the tube may feature unique characteristics such as reinforced sections to prevent kinking or collapse under pressure, enhancing its reliability and longevity.

Benefits

The installation of the Cummins 4006967 Water Transfer Tube offers several benefits. It improves coolant flow within the system, leading to more effective heat dissipation from the engine. This enhanced coolant circulation contributes to better engine protection against overheating, potentially extending the engine’s operational life. Furthermore, the reliable performance of this component increases the overall reliability of the truck’s cooling system, reducing the likelihood of overheating-related issues.

Installation Process

Installing the Cummins 4006967 Water Transfer Tube involves several steps to ensure proper fit and function. Preparatory steps include draining the coolant system to prevent spills and ensuring the engine is cool to the touch. The necessary tools for installation may include wrenches, sealant, and possibly a torque wrench for tightening connections. Best practices for installation include carefully aligning the tube with its fittings, using the appropriate sealant to prevent leaks, and ensuring all connections are securely tightened to the manufacturer’s specifications.

Common Issues and Troubleshooting

Common issues with the Cummins 4006967 Water Transfer Tube may include leaks at connections or blockages within the tube. Troubleshooting these problems involves inspecting the tube and connections for signs of wear or damage, checking for proper alignment and secure fittings, and ensuring there are no obstructions within the tube that could impede coolant flow. Addressing these issues promptly can prevent more serious problems related to engine overheating.

Maintenance Tips

Regular maintenance of the Cummins 4006967 Water Transfer Tube is important for ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear, corrosion, or leaks, and cleaning the tube and its connections as part of routine coolant system maintenance. Following the manufacturer’s recommendations for inspection intervals and maintenance procedures can help prevent issues and ensure the cooling system operates efficiently.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the commercial truck industry. The company’s product range includes a variety of engines and components designed to meet the demanding requirements of commercial vehicles, ensuring optimal performance, efficiency, and durability.

Water Transfer Tube Part 4006967 in Cummins Engines

The Water Transfer Tube part number 4006967 is a critical component in the cooling systems of several Cummins engines. This part is designed to facilitate the transfer of coolant between different sections of the engine, ensuring efficient heat dissipation and maintaining optimal operating temperatures.

QSK78 Engine

In the QSK78 engine, the Water Transfer Tube part 4006967 plays a vital role in the engine’s cooling system. It connects the water pump to various parts of the engine, ensuring that coolant flows smoothly and effectively. This tube is essential for maintaining the engine’s thermal balance and preventing overheating.

CM500 Engine

Similarly, in the CM500 engine, the Water Transfer Tube part 4006967 is integral to the engine’s cooling mechanism. It ensures that coolant is distributed evenly throughout the engine, which is crucial for performance and longevity. This part is designed to withstand the high pressures and temperatures typical of diesel engines, providing reliable service over extended periods.

Grouping of Engines

The Water Transfer Tube part 4006967 is compatible with both the QSK78 and CM500 engines, highlighting its versatility and importance in Cummins’ engine lineup. The design and specifications of this part are tailored to meet the specific cooling requirements of these engines, ensuring that they operate efficiently and reliably.

Role of Part 4006967 Water Transfer Tube in Engine Systems

The part 4006967 Water Transfer Tube is an essential component in the efficient operation of various engine systems, particularly in those that require precise water management. This component is integral in the plumbing system, ensuring that water is accurately and efficiently transferred between different parts of the engine.

Plumbing System Integration

In the plumbing system, the Water Transfer Tube facilitates the movement of water from the coolant reservoir to the engine block and other critical areas that require cooling. This ensures that the engine maintains optimal operating temperatures, preventing overheating and potential damage. The tube’s design allows for consistent water flow, which is vital for the radiator’s effectiveness in dissipating heat.

Intercooler Water System

The Water Transfer Tube also plays a significant role in the intercooler water system. Intercoolers are used in turbocharged engines to cool the compressed air before it enters the combustion chamber. Efficient water transfer is necessary to maintain the intercooler’s performance, ensuring that the air remains at the desired temperature. This not only enhances engine efficiency but also contributes to better overall performance and reliability.

Enhanced Engine Performance

By ensuring consistent and reliable water transfer, the 4006967 Water Transfer Tube contributes to the stability and performance of the engine. Proper water circulation helps in maintaining uniform temperatures across the engine components, which is essential for longevity and efficiency.

Maintenance and Reliability

The integration of the Water Transfer Tube in these systems also simplifies maintenance procedures. Its role in ensuring proper water flow means that issues such as leaks or blockages can be quickly identified and addressed, reducing the risk of more severe engine problems. Regular inspection and maintenance of the tube can prevent potential failures, ensuring the engine operates smoothly over time.

Conclusion

In summary, the 4006967 Water Transfer Tube is a vital component in the plumbing and intercooler water systems, playing a key role in the efficient and reliable operation of the engine. Its design and functionality are crucial for maintaining optimal engine temperature, enhancing performance, and ensuring the longevity of commercial truck engines.