3913590
V Belt
Cummins®

The Cummins 3913590 V Belt is a component designed for use in commercial trucks. It plays a role in the operation of these vehicles by facilitating the transmission of power from the engine to various auxiliary components. Understanding its function and importance can help in maintaining the efficiency and reliability of truck operations.

Basic Concepts of V Belts

V Belts are a type of belt drive that uses a trapezoidal cross-section to transmit power between two pulleys. They operate on the principle of friction, where the belt’s V-shape fits into the groove of the pulley, enhancing grip and reducing slippage. V Belts are commonly used in automotive systems to drive accessories such as alternators, water pumps, and air conditioning compressors ¹.

Purpose of the 3913590 V Belt

The Cummins 3913590 V Belt is specifically designed to transmit power from the engine to various components within a truck’s system. It ensures that essential accessories receive the necessary power to function correctly. This belt plays a role in maintaining the operational integrity of the truck by ensuring that all driven components operate efficiently and reliably.

Key Features

The Cummins 3913590 V Belt is characterized by its robust design and the materials used in its construction. It is made from high-quality rubber compounds reinforced with textile cords, which provide strength and flexibility. The belt’s unique trapezoidal shape enhances its grip on the pulleys, reducing the likelihood of slippage and improving power transmission efficiency.

Benefits

Using the Cummins 3913590 V Belt offers several advantages. Its design and material composition contribute to improved efficiency in power transmission. The belt is engineered for reliability, ensuring consistent performance under various operating conditions. Additionally, its durability helps in prolonging the service life of the belt, reducing the frequency of replacements and maintenance costs ².

Installation Considerations

When installing the Cummins 3913590 V Belt, it is important to follow guidelines to ensure optimal performance. Proper tensioning is crucial to prevent slippage and ensure efficient power transmission. Alignment of the belt on the pulleys should be checked to avoid uneven wear and potential damage to the belt or the pulleys. Adhering to these installation practices helps in maintaining the belt’s efficiency and longevity.

Troubleshooting Common Issues

Common issues with V Belts include slippage and wear. Slippage can occur if the belt is not properly tensioned or if it has become glazed due to excessive heat. Wear may result from prolonged use or improper installation. To address these issues, checking the tension and condition of the belt regularly is recommended. If slippage or wear is detected, adjusting the tension or replacing the belt may be necessary ³.

Maintenance Tips

To prolong the lifespan of the Cummins 3913590 V Belt and ensure continued reliable performance, regular maintenance is advised. This includes inspecting the belt for signs of wear or damage, ensuring it is properly tensioned, and cleaning it to remove any buildup that could affect its performance. Following a scheduled replacement plan based on the manufacturer’s recommendations or the belt’s condition can help in preventing unexpected failures.

Cummins Overview

Cummins is a well-established manufacturer with a strong reputation in the automotive components industry. The company has a history of innovation and commitment to quality, which is reflected in its wide range of products, including the Cummins 3913590 V Belt. Cummins’ dedication to excellence in manufacturing ensures that its components meet the high standards required for commercial truck applications.

V Belt 3913590 Compatibility with Cummins Engines

The V Belt part number 3913590, manufactured by Cummins, is designed to fit a range of Cummins engines. This belt is crucial for the proper functioning of the engine’s ancillary systems, ensuring that components such as the alternator, air conditioning compressor, and water pump operate efficiently.

Compatibility with Specific Engine Models

• 4B3.9 and 6B5.9 Engines: The V Belt 3913590 is compatible with both the 4B3.9 and 6B5.9 engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The belt’s design ensures a snug fit and optimal power transmission, reducing wear and tear on the engine components.

• B5.9 G Engine: The B5.9 G engine also benefits from the use of the V Belt 3913590. This engine variant is typically found in various industrial and commercial applications, where durability and consistent performance are paramount. The belt’s precise dimensions and quality materials make it an ideal choice for maintaining the engine’s operational efficiency.

Grouping of Engine Models

The engines 4B3.9 and 6B5.9 share similar design principles and operational requirements, making them suitable candidates for the same V Belt. The B5.9 G engine, while distinct, also falls within the compatibility range of the 3913590 V Belt due to its similar operational demands and design specifications.

This compatibility ensures that users can confidently select the V Belt 3913590 for their Cummins engines, knowing it will provide reliable performance and longevity.

Role of Part 3913590 V Belt in Engine Systems

The V Belt, identified by part number 3913590, is a component in the efficient operation of various engine systems. Its primary function is to transmit power from the engine to other mechanical components, ensuring smooth and reliable performance.

Interaction with the Pump

In engine systems, the V Belt is instrumental in driving the pump. The pump, which circulates fluids such as coolant or hydraulic fluid, relies on consistent and precise power transmission to maintain optimal pressure and flow rates. The V Belt ensures that the pump operates at the correct speed, which is vital for the engine’s cooling system and other hydraulic functions. This consistent power transfer helps prevent overheating and ensures that the engine components are adequately lubricated and cooled.

Contribution to the Vacuum System

The V Belt also plays a significant role in the vacuum system of the engine. The vacuum pump, which creates the necessary vacuum for various engine functions such as brake boosters and emission control systems, depends on the V Belt for its operation. By maintaining a steady rotational force, the V Belt ensures that the vacuum pump can generate and maintain the required vacuum levels. This is particularly important for the brake system, where consistent vacuum pressure is essential for reliable brake performance.

Overall System Integration

Beyond its direct interactions with the pump and vacuum system, the V Belt is a key element in the overall integration of engine components. It facilitates the synchronized operation of multiple systems, ensuring that each component receives the necessary power to function correctly. This interdependence highlights the V Belt’s importance in maintaining the engine’s efficiency and reliability.

Conclusion

In summary, the V Belt (part 3913590) is a fundamental component that enables the seamless operation of the pump and vacuum system within engine environments. Its role in power transmission is indispensable for the consistent and efficient performance of these critical systems.