3973779
Plain Hose
Cummins®

The Cummins 3973779 Plain Hose is a component designed for use in commercial trucks. It serves a specific function within the truck’s fluid transfer systems, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and role is fundamental for maintaining and optimizing the performance of heavy-duty trucks.

Basic Concepts of Plain Hoses

Plain hoses are flexible tubes used in various fluid transfer systems. They are designed to transport liquids or gases from one point to another within a system. In the context of heavy-duty trucks, plain hoses play a vital role in connecting different components, allowing for the smooth operation of various systems such as the engine, transmission, and hydraulic systems. Their flexibility and durability are key attributes that enable them to withstand the dynamic conditions present in commercial truck operations ¹.

Purpose of the Cummins 3973779 Plain Hose

The Cummins 3973779 Plain Hose is specifically engineered to transport fluids within the truck’s system. It supports critical systems by ensuring the efficient transfer of fluids, which may include coolant, fuel, or hydraulic fluid. This hose is integral to maintaining the operational integrity of these systems, facilitating the continuous and reliable performance of the truck ².

Key Features

The Cummins 3973779 Plain Hose boasts several key characteristics that enhance its performance and longevity. It is composed of materials that offer superior flexibility and durability, allowing it to endure the harsh conditions typical of commercial truck environments. Its design specifications are tailored to ensure a secure fit and efficient fluid transfer, contributing to the overall reliability of the truck’s systems ³.

Benefits

Utilizing the Cummins 3973779 Plain Hose offers several advantages. Its design contributes to improved system efficiency and reliability. Additionally, the hose is engineered for ease of installation, reducing downtime during maintenance procedures. Compared to other hose options, it provides a balance of performance, durability, and simplicity in installation, making it a preferred choice for commercial truck applications ⁴.

Installation Considerations

When installing the Cummins 3973779 Plain Hose, it is important to follow guidelines and best practices to ensure proper fitting and securement. This includes verifying compatibility with the truck’s existing systems to prevent leaks and ensure efficient fluid transfer. Careful attention to these details during installation can enhance the hose’s performance and longevity.

Maintenance and Troubleshooting

Regular maintenance practices are recommended to ensure the longevity and optimal performance of the Cummins 3973779 Plain Hose. This includes periodic inspections for signs of wear or damage and addressing any issues promptly. Common problems may include leaks or reduced flexibility, which can often be resolved through proper maintenance or, if necessary, replacement of the hose.

Safety Precautions

Observing important safety measures when handling, installing, and maintaining the Cummins 3973779 Plain Hose is crucial to prevent accidents and ensure safe operation. This includes wearing appropriate personal protective equipment, ensuring the truck is properly secured during maintenance, and following all manufacturer guidelines for installation and use.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the commercial truck industry, with a history of innovation and commitment to quality. The company’s reputation is built on its dedication to producing reliable and high-performance truck components, including the Cummins 3973779 Plain Hose. Cummins’ focus on quality and innovation underscores its position as a leader in the industry, providing components that contribute to the efficiency and reliability of commercial trucks.

Cummins Engine Compatibility with Part 3973779

This Cummins part is designed to fit seamlessly within a variety of Cummins engine models. It is integral to the engine’s operation, ensuring the proper flow of fluids and gases, which is essential for maintaining optimal performance.

Engine Models Compatible with Part 3973779

• 6B5.9
• 6C8.3
• B5.9 GAS PLUS CM556
• ISB5.9G CM2180

Grouping of Compatible Engines

The engines listed above can be grouped based on their specific applications and configurations. The 6B5.9 and 6C8.3 engines are part of the 6B and 6C series, respectively, and are known for their robust performance in various industrial applications. The B5.9 GAS PLUS CM556 and ISB5.9G CM2180 engines, on the other hand, are part of the B5.9 and ISB5.9G series, which are designed for both gas and diesel applications, offering versatility and efficiency.

The Plain Hose part 3973779 is engineered to meet the specific needs of these engines, ensuring compatibility and reliability across different models. This part is crucial for maintaining the integrity of the engine’s fluid and gas systems, contributing to the overall performance and longevity of the engine.

Role of Part 3973779 Plain Hose in Various Engine Systems

The 3973779 Plain Hose is integral to the efficient operation of several engine systems. Its role can be observed in the following components:

Air Compressor Hose Kit

In an air compressor hose kit, the 3973779 Plain Hose facilitates the transfer of compressed air from the compressor to various tools and equipment. This ensures a consistent and reliable air supply, which is essential for the performance of pneumatic tools.

Air Compressor Kit

Within an air compressor kit, the 3973779 Plain Hose connects the compressor to the storage tank and distribution lines. This connection is vital for maintaining the pressure and flow of compressed air throughout the system, ensuring that all connected devices receive the necessary air pressure to function correctly.

Arrangement

In engine arrangements where multiple components require fluid transfer, the 3973779 Plain Hose serves as a versatile connector. It links different parts of the engine system, allowing for the smooth transfer of fluids or gases without leakage, which is important for the overall efficiency and safety of the engine.

Compressor Coolant System

In systems where compressors generate significant heat, the 3973779 Plain Hose is used to circulate coolant. This helps in dissipating heat away from critical components, maintaining optimal operating temperatures and preventing overheating, which can lead to component failure.

The 3973779 Plain Hose, through its applications in these components, plays a significant role in ensuring the smooth and efficient operation of engine systems. Its reliability and durability are key factors in maintaining the performance and longevity of the equipment it serves.

Conclusion

The Cummins 3973779 Plain Hose is a critical component in the fluid transfer systems of commercial trucks, designed to enhance efficiency and reliability. Its key features, benefits, and compatibility with various Cummins engine models underscore its importance in maintaining optimal performance. Proper installation, maintenance, and adherence to safety precautions are essential for maximizing the hose’s effectiveness and longevity.