3906747
Flexible Hose
Cummins®

The Cummins 3906747 Flexible Hose is a component designed for use in commercial truck systems. It serves a specific function within these systems, facilitating the transfer of fluids or gases between different parts of the truck. Cummins, the manufacturer, is well-regarded in the industry for its commitment to quality and innovation in automotive and industrial solutions.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in various automotive and industrial applications to connect different system components, allowing for the transfer of fluids or gases. They are designed to accommodate movement and vibration, which are common in vehicle operations. These hoses are typically made from materials such as rubber, thermoplastic, or metal, each offering distinct properties like flexibility, resistance to chemicals, and durability ¹.

Purpose and Function of the 3906747 Flexible Hose

The 3906747 Flexible Hose is integral to the operation of commercial trucks. It connects specific systems within the truck, enabling the transport of fluids or gases. This hose is designed to withstand the dynamic conditions present in truck operations, ensuring reliable performance.

Key Features

The 3906747 Flexible Hose incorporates several design elements and materials that enhance its performance. These include a robust construction to resist wear and tear, materials chosen for their durability and flexibility, and unique characteristics that improve its functionality in demanding environments ².

Benefits of Using the 3906747 Flexible Hose

Incorporating the 3906747 Flexible Hose into truck systems offers several advantages. Its flexibility allows it to accommodate movement and vibration, reducing the risk of damage. Additionally, its design contributes to enhanced durability compared to rigid hoses, ensuring long-term reliability ³.

Installation Considerations

When installing the 3906747 Flexible Hose, it is important to follow guidelines and best practices. This includes ensuring proper fitting, using appropriate securing methods, and verifying compatibility with existing systems to maintain efficient operation.

Maintenance and Troubleshooting

Regular maintenance practices are recommended to ensure the longevity and efficient operation of the 3906747 Flexible Hose. This includes periodic inspections for signs of wear or damage. Common issues that may arise can often be addressed through troubleshooting steps, such as checking connections or replacing worn sections.

Safety Considerations

When working with the 3906747 Flexible Hose, it is important to adhere to safety guidelines. This includes handling precautions to prevent damage during installation or maintenance, inspection protocols to identify potential issues early, and replacement recommendations to prevent failures and ensure safe operation.

Environmental Impact and Sustainability

The use of flexible hoses, including the 3906747, involves considerations for environmental impact. This includes the recyclability of materials, disposal methods, and any eco-friendly features incorporated into the design of the hose.

Cummins Overview

Cummins Inc. has a long-standing history in the automotive and industrial sectors, known for its innovative products and commitment to quality. The company offers a wide range of products designed to meet the needs of various industries, demonstrating a dedication to advancing technology and sustainability in its offerings.

Cummins Engine Part 3906747: Flexible Hose Compatibility

The Cummins part number 3906747, a Flexible Hose, is designed to fit a variety of Cummins engines. This part is engineered to provide a reliable and durable connection between different components of the engine system, ensuring smooth operation and minimizing the risk of leaks or failures.

ISC Series Engines

The ISC series engines, including:

• ISC CM2150
• ISC CM554
• ISC CM850
• ISC8.3 CM2250

are compatible with the part 3906747. This hose is crucial for maintaining the integrity of the engine’s cooling and exhaust systems, ensuring that these components function efficiently and safely.

ISL Series Engines

The ISL series engines, which include:

• ISL CM2150
• ISL CM554
• ISL G CM2180
• ISL9 CM2150 SN
• ISL9 CM2250
• ISL9.5 CM2880 L138

also utilize the part 3906747. This flexible hose is essential for connecting various parts of the engine, such as the intake and exhaust manifolds, to the turbocharger and other critical components.

L Series Engines

The L series engines, which include:

• L GAS PLUS CM556
• L8.9 CM2670 L134C
• L8.9G CMOH2.0 L125B
• L9 CM2670 L128B

are also compatible with the part 3906747. This hose is vital for ensuring that the engine’s various systems are properly connected and sealed, which is crucial for maintaining performance and reliability.

QSC and QSL Series Engines

The QSC and QSL series engines, which include:

• QSC8.3 CM554
• QSC8.3 CM850(CM2850)
• QSL8.9 CM2150 L141
• QSL9 CM554
• QSL9 CM850(CM2850)

also require the part 3906747. This flexible hose is essential for connecting the engine’s exhaust and intake systems, ensuring that these components work together seamlessly.

Other Compatible Engines

Additionally, the part 3906747 is compatible with the following engines:

• 4B3.9
• 6B5.9
• 6C8.3
• B5.9 G
• C8.3 G

This hose is designed to fit a wide range of engine configurations, ensuring that it can be used in various applications and environments. Its flexibility and durability make it an essential component for maintaining the performance and reliability of these engines.

Role of Part 3906747 Flexible Hose in Engine Systems

The part 3906747 Flexible Hose is an integral component in various engine systems, facilitating the transfer of fluids and gases under varying conditions. Its applications span across multiple subsystems, ensuring efficient operation and durability.

Fuel System Integration

In the fuel system, the Flexible Hose connects the Base Fuel Pump to the Fuel Pump Coupling. This connection is vital for maintaining a consistent fuel flow from the pump to the engine. Additionally, it interfaces with Fuel Pump Service Parts and the Fuel Pump Conv Kit, allowing for easy maintenance and replacement without disrupting the overall fuel delivery system.

Compressor and Air Exchanger Systems

Within the Compressor and Air Exchanger systems, the Flexible Hose plays a significant role in managing the flow of air and refrigerant. It ensures that the compressor can efficiently transfer compressed air to the exchanger, where heat exchange processes occur. This hose is also connected to the Heat Exchanger, aiding in the regulation of temperatures within the system.

Oil Supply and Injection Systems

For the Injection Pump Oil Supply, the Flexible Hose provides a reliable pathway for oil to reach the injection pump, ensuring that the pump operates smoothly and efficiently. This is particularly important in high-pressure injection systems where consistent oil supply is necessary for optimal performance.

Engine Installation and On-Board Spares

During Engine Installation, the Flexible Hose is used in conjunction with various kits to ensure that all fluid pathways are correctly established. It is also included in On-Board Spares kits, providing a readily available replacement for any hose that may fail during operation.

Plumbing and Lubrication Systems

In the Plumbing and Fuel Pump Lubrication systems, the Flexible Hose is employed to route lubricants to moving parts, reducing friction and wear. It is also used in the Keel Cooler system, where it helps in cooling the engine oil by transferring it through the cooler before returning it to the engine.

The Flexible Hose’s versatility and reliability make it a key component in maintaining the integrity and efficiency of these complex engine systems.

Conclusion

The Cummins 3906747 Flexible Hose is a critical component in commercial truck and engine systems, offering flexibility, durability, and efficient fluid transfer. Its compatibility with a wide range of Cummins engines underscores its versatility and importance in maintaining engine performance and reliability. Regular maintenance and adherence to safety guidelines are essential for ensuring the longevity and safe operation of this part.