3967055
V Ribbed Belt
Cummins®

Introduction

The Cummins 3967055 V Ribbed Belt is a component designed for use in commercial trucks. It plays a role in the operation of these vehicles by facilitating the transfer of power from the engine to various auxiliary components. Understanding its purpose and significance can help in maintaining the efficiency and reliability of truck operations.

Basic Concepts of V Ribbed Belts

V Ribbed Belts are a type of drive belt characterized by their trapezoidal cross-section, which allows them to run in matching grooves on pulleys. This design enhances grip and reduces slippage compared to flat belts ¹. V Ribbed Belts are commonly used in automotive systems to drive multiple components such as alternators, water pumps, and air conditioning compressors. They differ from timing belts, which are toothed and synchronize the rotation of the crankshaft and camshaft, and flat belts, which have a simpler design and are less commonly used in modern vehicles ².

Purpose of the Cummins 3967055 V Ribbed Belt

This Cummins part plays a role in the operation of a truck by driving essential components such as the alternator, water pump, and other auxiliary systems. It ensures these components receive the necessary power to function, which contributes to the overall performance and efficiency of the vehicle. The belt’s design allows it to handle multiple drives simultaneously, making it a crucial part of the truck’s power transmission system.

Key Features

The Cummins 3967055 V Ribbed Belt features a robust design that includes high-quality materials to enhance its performance and durability. It is constructed with a durable rubber compound and reinforced with polyester cords, which provide strength and flexibility. The belt’s unique characteristics, such as its trapezoidal ribs and optimized tension, ensure efficient power transmission and reduced wear over time ³.

Benefits

Using the Cummins 3967055 V Ribbed Belt offers several benefits, including improved efficiency in power transmission, enhanced durability under demanding conditions, and increased reliability. Compared to other types of belts, V Ribbed Belts generally provide better performance and longevity, making them a preferred choice for commercial truck applications ⁴.

Installation Process

Installing the Cummins 3967055 V Ribbed Belt requires careful attention to ensure proper fitting. The process involves removing the old belt, inspecting the pulleys and tensioners for wear, and routing the new belt according to the manufacturer’s specifications. Tools such as belt tensioners and wrenches may be required. It is important to ensure the belt is correctly aligned and tensioned to prevent slippage and ensure optimal performance.

Troubleshooting Common Issues

Common problems associated with V Ribbed Belts include slippage, noise, and wear. Slippage can occur if the belt is not properly tensioned or if the pulleys are worn. Noise may indicate misalignment or excessive wear. Regular inspection and maintenance can help identify and resolve these issues effectively, ensuring the belt continues to perform reliably.

Maintenance Tips

To prolong the life of the Cummins 3967055 V Ribbed Belt, regular maintenance practices are recommended. This includes periodic inspections for signs of wear or damage, checking the tension to ensure it is within the manufacturer’s specifications, and replacing the belt according to the recommended intervals or when signs of significant wear are observed.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product range includes a variety of engines and components designed to meet the demanding requirements of commercial applications.

Cummins V Ribbed Belt 3967055 Compatibility

The Cummins V Ribbed Belt part number 3967055 is a critical component in the engine systems of various Cummins engines. This belt is designed to efficiently transfer power from the engine’s crankshaft to the various ancillary systems, ensuring that essential functions such as the alternator, water pump, and air conditioning compressor operate correctly.

Compatibility with Cummins Engines

6B5.9 Engine

The 6B5.9 engine is one of the models that benefit from the use of the Cummins V Ribbed Belt 3967055. This belt is engineered to fit seamlessly within the engine’s layout, providing a reliable connection between the crankshaft and the engine accessories. Its robust design ensures that it can withstand the high rotational speeds and torques typical of the 6B5.9 engine, contributing to the engine’s overall efficiency and longevity.

6C8.3 Engine

Similarly, the 6C8.3 engine is another model that is compatible with the Cummins V Ribbed Belt 3967055. This belt is specifically designed to handle the unique demands of the 6C8.3 engine, ensuring that all connected components receive the necessary power to function correctly. The belt’s precision engineering allows it to maintain optimal tension and alignment, reducing wear and tear on the engine components and enhancing the engine’s performance.

Grouped Compatibility

Both the 6B5.9 and 6C8.3 engines share a commonality in their requirement for the Cummins V Ribbed Belt 3967055. This belt’s design ensures that it fits perfectly within the engine’s architecture, providing a seamless integration that is crucial for the efficient operation of the engine’s ancillary systems. The belt’s compatibility with these engines underscores its versatility and reliability, making it a preferred choice for maintaining the functionality and performance of these engines.

Role of Part 3967055 V Ribbed Belt in Engine Systems

The V ribbed belt, specifically part 3967055, is integral to the efficient operation of several engine components. It serves as the primary means of transferring rotational force from the engine’s crankshaft to auxiliary components, ensuring they function correctly.

Drive Mechanism

In the engine system, the V ribbed belt is responsible for driving various components. It wraps around the crankshaft pulley and transfers this motion to other parts. This transfer of motion is essential for the operation of the alternator, among other components.

Alternator Functionality

The alternator is a key component that relies on the V ribbed belt for its operation. As the belt rotates the alternator’s pulley, it drives the internal rotor, which in turn generates electrical power. This electrical power is vital for charging the battery and powering the vehicle’s electrical systems while the engine is running.

The V ribbed belt’s design, with its multiple ribs, allows it to handle the load from these components efficiently. The ribbed structure provides a larger contact area, enhancing grip and reducing slippage, which is essential for consistent performance of the alternator and other driven components.

Conclusion

The Cummins 3967055 V Ribbed Belt is a critical component in the efficient operation of commercial trucks. Its robust design, compatibility with various Cummins engines, and role in powering essential engine components make it indispensable. Regular maintenance and proper installation are key to ensuring its longevity and performance.