3289875
V Ribbed Belt
Cummins®

The Cummins 3289875 V-Ribbed Belt is a component designed for use in commercial trucks. It serves to transfer power from the engine to various auxiliary components, ensuring the efficient operation of the vehicle. This belt is integral to maintaining the functionality of several systems within the truck, contributing to its overall performance and reliability.

Basic Concepts of V-Ribbed Belts

V-Ribbed Belts are characterized by their trapezoidal cross-section, which allows them to engage more effectively with pulleys compared to flat belts. This design enhances grip and reduces slippage, leading to more efficient power transmission ¹. V-Ribbed Belts are constructed from multiple layers of rubber and fabric, providing durability and flexibility. They differ from other belt types, such as flat or timing belts, in their construction and application within an engine system. V-Ribbed Belts are commonly used to drive multiple components simultaneously, making them suitable for complex engine setups.

Role of the 3289875 V-Ribbed Belt in Truck Operation

The Cummins 3289875 V-Ribbed Belt plays a role in the operation of a truck by driving components such as the alternator, water pump, and air conditioning compressor. It supports systems that are vital for the truck’s performance, including electrical power generation, engine cooling, and climate control. The efficient transfer of power by this belt ensures that these systems operate smoothly, contributing to the truck’s overall functionality.

Key Features of the 3289875 V-Ribbed Belt

The Cummins 3289875 V-Ribbed Belt is composed of high-quality materials that enhance its performance and durability. Its design includes multiple ribs that increase the contact surface with pulleys, improving power transmission efficiency. Unique characteristics such as reinforced edges and a specialized rubber compound contribute to its longevity and resistance to wear.

Benefits of Using the 3289875 V-Ribbed Belt

Utilizing the Cummins 3289875 V-Ribbed Belt offers several advantages. It provides improved efficiency in power transmission, leading to better performance of driven components. The belt’s reliable construction ensures consistent operation under various conditions. Additionally, its durability contributes to longer service intervals, reducing maintenance costs and downtime for commercial truck operators.

Installation Considerations

Proper installation of the Cummins 3289875 V-Ribbed Belt is crucial for its performance and longevity. It requires careful attention to tensioning to ensure optimal power transmission and prevent premature wear. Alignment with pulleys must be precise to avoid slippage and ensure efficient operation. Following manufacturer guidelines during installation will help maintain the belt’s integrity and performance.

Maintenance and Troubleshooting

Regular maintenance practices are important for ensuring the longevity and optimal performance of the Cummins 3289875 V-Ribbed Belt. This includes periodic inspections for signs of wear, proper tension adjustment, and cleaning to remove contaminants that could affect performance. Common issues such as slippage or cracking can often be addressed through timely maintenance and correct installation practices.

Performance in Various Conditions

The Cummins 3289875 V-Ribbed Belt is designed to perform under a range of operating conditions. It maintains efficiency in extreme temperatures, handles high loads, and operates smoothly at varying speeds. Its robust construction and material composition allow it to withstand the demands of commercial truck applications, ensuring reliable performance in diverse environments.

Compatibility and Applications

The Cummins 3289875 V-Ribbed Belt is compatible with a variety of engines and truck models, demonstrating its versatility and wide application range. Its design and performance characteristics make it suitable for use in different commercial truck setups, contributing to the efficient operation of auxiliary systems across a broad spectrum of applications.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a diverse product range that includes engines, filtration systems, and aftermarket parts, Cummins has established a reputation for reliability and performance. The company’s focus on advancing technology and meeting the needs of its customers underscores its position as a trusted provider in the industry.

V-Ribbed Belt 3289875 Compatibility with Cummins Engines

The V-Ribbed Belt part number 3289875, manufactured by Cummins, is designed to fit a variety of Cummins engines. This belt is crucial for the proper functioning of engine accessories, ensuring that components such as the alternator, water pump, and air conditioning compressor operate efficiently.

Compatible Engines

• 6B5.9 and B5.6 CM2670 B152B: These engines, often found in heavy-duty applications, benefit from the V-Ribbed Belt 3289875 for maintaining the correct tension and alignment of the engine’s ancillary components.

• B5.9 G and B5.9 GAS PLUS CM556: These engines, typically used in various industrial and commercial applications, require the V-Ribbed Belt 3289875 to ensure reliable power transmission and prevent slippage.

• ISB6.7 CM2250 and ISB6.7 CM2350 B101: These engines, known for their robust performance in both on-highway and off-highway applications, are compatible with the V-Ribbed Belt 3289875. This belt ensures that the engine’s accessories are driven at the correct speed, enhancing overall efficiency and longevity.

• ISC CM850 and ISL9 CM2150 SN: These engines, often utilized in vocational and severe-duty applications, also require the V-Ribbed Belt 3289875. This belt is essential for maintaining the proper operation of the engine’s accessories, ensuring that the engine runs smoothly and efficiently.

The V-Ribbed Belt 3289875 is engineered to withstand the rigors of heavy-duty use, providing a durable and reliable solution for maintaining the performance of these Cummins engines.

Role of Part 3289875 V-Ribbed Belt in Engine Systems

The V-Ribbed Belt, identified as part 3289875, is integral to the efficient operation of several key engine components. Its primary function is to transfer rotational force from the engine’s crankshaft to various auxiliary components, ensuring they operate in sync with the engine’s performance.

Drive System Integration

In the drive system, the V-Ribbed Belt connects the crankshaft to the alternator and water pump. This connection is essential for maintaining the electrical and cooling systems of the engine. By transmitting power, the belt enables these components to function correctly, supporting the engine’s overall performance and reliability.

Alternator Operation

The alternator relies on the V-Ribbed Belt to generate electrical power. As the belt rotates the alternator pulley, it drives the alternator, which in turn produces electricity to charge the battery and power the vehicle’s electrical systems. This seamless transfer of mechanical energy to electrical energy is vital for the vehicle’s operation.

Water Pump Drive

The water pump is another component driven by the V-Ribbed Belt. The belt’s rotation powers the water pump, which circulates coolant through the engine. This circulation is necessary to dissipate heat, preventing the engine from overheating. The consistent operation of the water pump, facilitated by the belt, ensures the engine maintains optimal temperature levels during operation.

Conclusion

In summary, the V-Ribbed Belt (part 3289875) plays a significant role in the coordination and efficiency of the drive, alternator, and water pump within the engine system. Its reliable performance is key to the sustained operation and health of these critical components. Proper installation, maintenance, and understanding of its role in engine systems are essential for maximizing the efficiency and longevity of this Cummins part.