3913740
Flexible Hose
Cummins®

Introduction

The Cummins 3913740 Flexible Hose is a vital component in commercial trucks, designed to facilitate the transfer of various fluids within the vehicle’s systems. This part ensures smooth and leak-free fluid transport, contributing to the truck’s operational efficiency.

Basic Concepts of Flexible Hoses

Flexible hoses are crucial in automotive systems for connecting components requiring fluid transfer. Unlike rigid pipes, they can accommodate movement and vibration, common in vehicle operations. They are made from materials offering flexibility, durability, and resistance to the fluids they carry. In automotive applications, flexible hoses are used in fuel, coolant, brake, and hydraulic systems ¹.

Purpose of the Cummins 3913740 Flexible Hose

The Cummins 3913740 Flexible Hose is designed to connect components within a truck’s system, transporting fluids such as coolant, fuel, or hydraulic fluid. It provides a reliable and flexible pathway for these fluids, accommodating the dynamic movements and vibrations inherent in truck operations ².

Key Features

This Cummins part is constructed from high-quality materials, offering excellent flexibility and durability. Its design includes reinforced layers to withstand pressure and abrasion, ensuring it can endure the harsh conditions typical of commercial truck environments. Its flexibility allows it to adapt to the movements of the truck, reducing stress on connected components.

Benefits

The use of the Cummins 3913740 Flexible Hose offers several advantages. Its flexibility over rigid hoses allows for better accommodation of the truck’s movements, reducing the risk of damage to the hose and connected components. This flexibility also helps in minimizing stress on the system, leading to improved overall performance. Furthermore, the hose’s durable construction ensures it can withstand harsh operating conditions, providing long-term reliability and reducing the need for frequent replacements ³.

Installation Considerations

When installing the Cummins 3913740 Flexible Hose, it is important to follow guidelines and best practices to ensure optimal performance and longevity. Proper fitting techniques should be employed to secure the hose in place, ensuring a tight and leak-free connection. It is also crucial to align the hose correctly and maintain the appropriate tension to prevent kinks or undue stress on the hose. Careful attention to these details during installation will help in achieving a secure and efficient fluid transfer system.

Troubleshooting Common Issues

Common issues with flexible hoses include leaks, kinks, and degradation over time. To address these problems, regular inspections should be conducted to identify any signs of wear or damage. If a leak is detected, the connection points should be checked for proper sealing, and any damaged sections of the hose should be replaced. Kinks can often be resolved by rerouting the hose to avoid sharp bends. Degradation may require replacement of the hose to ensure continued reliable operation.

Maintenance Tips

Regular maintenance of the Cummins 3913740 Flexible Hose is key to ensuring its longevity and performance. Inspection routines should be established to check for signs of wear and tear, such as cracks, abrasions, or softening of the material. Any detected issues should be addressed promptly to prevent further damage. Additionally, monitoring the hose for proper alignment and tension can help in identifying potential problems before they lead to failure. Replacement should be considered when the hose shows significant signs of wear or if it has reached the end of its service life.

Cummins Overview

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 strong reputation in the commercial truck industry for producing reliable and high-performance components. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicles. Cummins’ commitment to innovation and quality has made it a trusted name among truck manufacturers and operators worldwide.

Flexible Hose 3913740 Compatibility with Cummins Engines

The Cummins Flexible Hose part number 3913740 is designed to fit a variety of Cummins engines, ensuring a secure and reliable connection in various applications. This part is engineered to meet the specific needs of the engines it supports, providing durability and flexibility.

Compatible Engines

• 6C8.3
• C GAS PLUS CM556
• C8.3 G
• QSC8.3 CM850 (CM2850)

Grouping of Compatible Engines

The engines listed can be grouped based on their compatibility with the Flexible Hose 3913740. The grouping is based on similar engine configurations and operational requirements.

Group 1: 6C8.3 and C8.3 G

These engines share a similar architecture, which makes them compatible with the same flexible hose. The 6C8.3 and C8.3 G engines are often used in applications where flexibility and reliability are critical.

Group 2: C GAS PLUS CM556 and QSC8.3 CM850 (CM2850)

The C GAS PLUS CM556 and QSC8.3 CM850 (CM2850) engines, while different in some specifications, are also compatible with the Flexible Hose 3913740. These engines are typically used in more demanding environments, and the hose’s design ensures it can handle the rigors of these applications.

Role of Part 3913740 Flexible Hose in Engine Systems

Part 3913740 Flexible Hose is a critical component in various engine systems, facilitating the efficient transfer of fluids and contributing to the overall performance and reliability of these systems. Here’s how it integrates with specific components:

Cooler Systems

In cooler systems, the Flexible Hose connects the cooler to the engine and other components, allowing for the circulation of coolant. This ensures that the engine maintains optimal operating temperatures, preventing overheating and enhancing efficiency.

Marine Gear Oil Systems

Within marine gear oil systems, the Flexible Hose plays a significant role in transferring marine gear oil between the gearbox and the oil reservoir. This ensures that the gearbox is consistently lubricated, reducing friction and wear on moving parts, and contributing to the longevity of the marine gear system.

Filter Systems

In filter systems, particularly those involving full-flow oil filtration, the Flexible Hose is used to connect the oil filter to the engine. This allows for the continuous flow of oil through the filter, ensuring that contaminants are effectively removed from the oil, which in turn protects the engine from damage caused by impurities.

Plumbing Systems

In general plumbing applications within engine systems, the Flexible Hose provides a versatile and durable solution for connecting various components. Its flexibility allows for easier installation and maintenance, accommodating the dynamic movements and vibrations inherent in engine operations.

Marine Gear Oil Cooler Systems

For marine gear oil cooler systems, the Flexible Hose is instrumental in circulating marine gear oil through the cooler. This process helps in dissipating heat from the oil, ensuring that the gear oil remains within the desired temperature range, which is vital for the efficient operation of marine gearboxes.

Conclusion

The Cummins 3913740 Flexible Hose is a critical component in commercial trucks and various engine systems, ensuring efficient fluid transfer and contributing to the overall performance and reliability of these systems. Its flexibility, durability, and compatibility with a range of Cummins engines make it an essential part for maintaining the operational efficiency of commercial vehicles.