3289268
V Ribbed Belt
Cummins®

The Cummins 3289268 V Ribbed Belt is a critical component for commercial trucks, facilitating the transfer of power from the engine to various auxiliary components. Understanding its purpose and functionality is essential for maintaining the efficiency and reliability of truck engines.

Basic Concepts of V Ribbed Belts

V Ribbed Belts, characterized by their trapezoidal cross-section, offer superior grip on pulleys compared to flat belts. Constructed from multiple layers of rubber and fabric, these belts provide durability and flexibility. In truck engine systems, V Ribbed Belts transmit power from the crankshaft to components such as the alternator, water pump, and power steering pump, ensuring efficient operation ¹.

Role of the 3289268 V Ribbed Belt in Truck Operation

This Cummins part is vital for driving essential components within the engine system. It powers the alternator to generate electricity, the water pump to circulate coolant, and other auxiliary components. The efficient operation of this belt is crucial for maintaining engine efficiency and ensuring all driven components function as intended ².

Key Features of the 3289268 V Ribbed Belt

The 3289268 is distinguished by its material composition, including high-quality rubber and fabric layers designed for durability and performance. Its design elements, such as the precise angle of the V-shaped ribs, enhance grip and reduce slippage. These features contribute to the belt’s overall performance and longevity in demanding truck engine environments ³.

Benefits of Using the 3289268 V Ribbed Belt

Utilizing this Cummins part can lead to improved engine performance due to its efficient power transmission capabilities. Its durable construction offers increased longevity, reducing the frequency of replacements. Additionally, the enhanced performance and durability of this belt can result in potential cost savings for fleet operators by minimizing downtime and maintenance costs.

Troubleshooting Common Issues with V Ribbed Belts

Common issues with V Ribbed Belts, such as slippage, wear, and noise, can arise from various factors including improper tension, age, or contamination. Addressing these problems involves inspecting the belt for signs of wear, ensuring proper tension, and cleaning or replacing the belt as necessary. Regular maintenance practices can help prevent these issues and ensure the belt operates efficiently.

Maintenance Tips for V Ribbed Belts

To ensure optimal performance and longevity of V Ribbed Belts, regular inspection routines are recommended. This includes checking for signs of wear, ensuring the belt is properly tensioned, and looking for any contamination that could affect its operation. Following manufacturer guidelines for tension adjustments and replacement can help maintain the belt’s efficiency and extend its service life.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves commercial truck markets with a wide range of products designed to meet the demanding requirements of these applications. The company’s commitment to quality and performance is evident in its product offerings, including the Cummins 3289268 V Ribbed Belt.

Cummins V Ribbed Belt 3289268 Compatibility

The Cummins V Ribbed Belt part number 3289268 is designed to fit a variety of Cummins engines, ensuring efficient power transmission and reliable operation. This belt is engineered to meet the specific requirements of these engines, providing durability and performance in demanding conditions.

Compatible Engines

• 4B3.9 and QSB3.9 30 CM550 These engines benefit from the precision fit and robust construction of the V Ribbed Belt 3289268, ensuring smooth operation of the engine’s ancillary systems.

• 6B5.9 and QSB5.9 30 CM550 The belt’s design allows it to handle the higher power output and torque of these engines, maintaining consistent performance and longevity.

• B4.5 and QSB4.5 CM850 (CM2850) The V Ribbed Belt 3289268 is engineered to fit these engines, providing reliable power transmission and contributing to the overall efficiency of the engine.

• ISC CM554 and ISL CM554 These engines are equipped with the V Ribbed Belt 3289268, ensuring that the belt’s design supports the high-performance demands of these models.

• QSB6.7 CM850 (CM2850) The belt’s compatibility with this engine ensures that it can handle the increased power and torque, maintaining the engine’s efficiency and reliability.

The V Ribbed Belt 3289268 is a critical component for these engines, ensuring that the belt’s design and material properties meet the specific needs of each engine model.

Role of Part 3289268 V Ribbed Belt in Engine Systems

The V Ribbed Belt, identified by part number 3289268, is an essential component in the efficient operation of various engine systems. Its primary function is to transmit rotational force from the engine’s crankshaft to multiple auxiliary components, ensuring they operate in sync with the engine’s rhythm.

Integration with Alternator Drive

The V Ribbed Belt is instrumental in driving the alternator. As the belt engages with the alternator’s pulley, it facilitates the rotation of the alternator’s rotor. This rotation is vital for generating electrical power, which is then used to charge the battery and power the vehicle’s electrical systems. The consistent and smooth transfer of power by the V Ribbed Belt ensures that the alternator operates efficiently, maintaining a stable electrical supply.

Function in Water Pump Drive

In the cooling system, the V Ribbed Belt plays a significant role by driving the water pump. The belt’s engagement with the water pump drive pulley causes the pump to rotate. This rotation is essential for circulating coolant through the engine, absorbing heat, and dissipating it through the radiator. The V Ribbed Belt’s reliable performance in this application is key to maintaining optimal engine temperature, preventing overheating, and ensuring the longevity of engine components.

Interaction with Water Pump Drive Pulley

The V Ribbed Belt’s interaction with the water pump drive pulley is a testament to its design and functionality. The pulley, specifically designed to match the belt’s profile, ensures a secure grip and efficient power transmission. This interaction is vital for the water pump’s operation, as it relies on the consistent and precise transfer of rotational force from the belt to function correctly. The V Ribbed Belt’s durability and flexibility are paramount in withstanding the dynamic conditions within the engine compartment, ensuring the water pump operates under various driving conditions.

Conclusion

In summary, the V Ribbed Belt, part 3289268, is a pivotal component in the engine’s auxiliary systems. Its role in driving the alternator and water pump, through their respective pulleys, underscores its importance in maintaining the engine’s electrical and cooling systems’ efficiency and reliability.