4086840
Water Transfer Tube
Cummins®

Introduction

The Cummins 4086840 Water Transfer Tube is a component designed for use in heavy-duty trucks. Its purpose is to facilitate the efficient transfer of coolant within the engine cooling system. This part contributes to maintaining optimal engine temperature, which is vital for the reliable operation of heavy-duty trucks under various operating conditions ¹.

Basic Concepts of Water Transfer Tubes

A Water Transfer Tube is a conduit within the engine cooling system that allows coolant to circulate between different parts of the engine. Its function is to ensure that heat generated by the engine is effectively dissipated, thereby maintaining the engine within its optimal operating temperature range. The tube operates by directing coolant flow from the water pump to various engine components, such as the cylinder head and block, where heat absorption is required ².

Purpose of the 4086840 Water Transfer Tube

The Cummins 4086840 Water Transfer Tube plays a role in the operation of a truck by ensuring efficient coolant circulation within the engine cooling system. This contributes to consistent engine temperature regulation, which is important for engine performance and longevity. By facilitating the transfer of coolant, the tube helps to prevent overheating, which can lead to engine damage ³.

Key Features

The Cummins 4086840 Water Transfer Tube is characterized by its robust design and the materials used in its construction. It is made from high-quality materials that are resistant to corrosion and wear, ensuring durability under the demanding conditions typical of heavy-duty truck operation. The tube’s design allows for efficient coolant flow, which enhances the overall effectiveness of the engine cooling system.

Benefits

Using the Cummins 4086840 Water Transfer Tube offers several advantages. It contributes to improved engine cooling efficiency, which can lead to better engine performance and reduced risk of overheating. The tube’s durable construction ensures long-term reliability, minimizing the need for frequent replacements. Additionally, its efficient design helps to maintain optimal engine temperature, which is beneficial for the overall health and longevity of the engine.

Installation

Proper installation of the Cummins 4086840 Water Transfer Tube involves several steps. It is important to ensure that the engine is cool before beginning the installation process. The necessary tools include a socket wrench set and a torque wrench. The tube should be aligned with the engine’s coolant passages and secured in place according to the manufacturer’s specifications. Care should be taken to avoid cross-threading or over-tightening, which could damage the tube or the engine components.

Maintenance

To ensure the longevity and performance of the Cummins 4086840 Water Transfer Tube, routine maintenance practices should be followed. This includes regular inspection for signs of wear or corrosion, and cleaning the tube as necessary to remove any buildup that could impede coolant flow. Inspection intervals should be in accordance with the manufacturer’s recommendations or as dictated by the operating conditions of the truck.

Troubleshooting

Common issues with the Cummins 4086840 Water Transfer Tube may include leaks, blockages, or corrosion. If a leak is detected, the tube should be inspected for damage and replaced if necessary. Blockages can often be resolved by cleaning the tube and ensuring that coolant passages are clear. Corrosion may require the replacement of the tube to prevent further degradation and ensure efficient coolant flow.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions control technologies. With a strong reputation in the industry, Cummins is known for its commitment to quality and innovation in the manufacturing of automotive components. The company’s products are designed to meet the demanding requirements of various applications, including heavy-duty trucks.

Water Transfer Tube (Part 4086840) Compatibility with Cummins Engines

The Water Transfer Tube (Part 4086840) manufactured by Cummins is designed to fit seamlessly within several of their engine models. This part is crucial for maintaining the optimal temperature of the engine by facilitating the transfer of coolant between different components.

QSK60 Engine Series

The QSK60 engine series, known for its robust performance and reliability, incorporates the Water Transfer Tube to ensure efficient thermal management. This part is integral to the engine’s cooling system, ensuring that the engine operates within its optimal temperature range, thereby enhancing longevity and performance.

CM500 Engine Series

Similarly, the CM500 engine series benefits from the Water Transfer Tube. This part is engineered to fit precisely within the cooling system architecture of the CM500 engines, providing a reliable pathway for coolant flow. This ensures that the engine maintains its operational efficiency and durability, even under demanding conditions.

Grouping of Engines

The Water Transfer Tube (Part 4086840) is compatible with both the QSK60 and CM500 engine series, highlighting its versatility and importance in Cummins’ engine lineup. This compatibility underscores the importance of using genuine Cummins parts to maintain the integrity and performance of these engines.

Role of Part 4086840 Water Transfer Tube in Engine Systems

The part 4086840 Water Transfer Tube is an essential component in the efficient operation of engine systems, particularly in the context of the manifold and water management within the engine.

In the engine’s manifold system, the Water Transfer Tube facilitates the smooth and consistent flow of coolant. This is important for maintaining optimal temperatures across the manifold, ensuring that the air-fuel mixture is properly regulated. By providing a dedicated pathway for coolant, the tube helps prevent hotspots and ensures that the manifold operates within its designed thermal parameters.

Additionally, within the broader water management system of the engine, the Water Transfer Tube plays a significant role. It connects various coolant passages, allowing for the circulation of coolant throughout the engine block and head. This ensures that all critical components, such as the cylinders and combustion chambers, receive adequate cooling. The consistent flow of coolant helps in dissipating heat generated during combustion, thereby protecting the engine from overheating and potential damage.

The integration of the Water Transfer Tube into these systems underscores its importance in maintaining the overall health and performance of the engine. Its role in facilitating efficient coolant flow directly contributes to the engine’s reliability and longevity.

Conclusion

The Cummins 4086840 Water Transfer Tube is a vital component in the engine cooling system of heavy-duty trucks. Its role in facilitating efficient coolant circulation ensures optimal engine temperature regulation, which is crucial for engine performance and longevity. The tube’s robust design and durable construction contribute to its reliability and effectiveness in demanding operating conditions. Proper installation, maintenance, and troubleshooting practices are essential to ensure the longevity and performance of this Cummins part.