3289908
V Ribbed Belt
Cummins®

The Cummins 3289908 V Ribbed Belt is a critical component for commercial trucks, facilitating the transfer of power from the engine to auxiliary components. Understanding its purpose and functionality is essential for maintaining the efficiency and reliability of truck operations.

Basic Concepts of V Ribbed Belts

V Ribbed Belts are characterized by their trapezoidal cross-section, which enhances grip and reduces slippage, ensuring efficient power transmission ¹. Unlike flat belts, V Ribbed Belts offer greater flexibility and can drive multiple components simultaneously. They are constructed from a core of synthetic materials, often reinforced with textile cords, and covered with a durable elastomer. This construction allows them to withstand high tension and varying temperatures, making them suitable for demanding applications like truck engines ².

Role of the 3289908 V Ribbed Belt in Truck Operation

This Cummins part plays a role in the operation of a truck by driving essential components such as the alternator, water pump, and air conditioning compressor. By transferring power from the engine to these components, it ensures they function correctly, contributing to the truck’s overall performance. Its efficient power transmission capabilities help maintain the truck’s electrical system, cooling, and comfort features, which are vital for both the vehicle’s operation and the driver’s experience.

Key Features of the 3289908 V Ribbed Belt

The 3289908 V Ribbed Belt is distinguished by its material composition, which includes a robust elastomer outer layer and a reinforced core. Its design incorporates multiple ribs, which increase the contact surface area with pulleys, enhancing grip and efficiency. These features contribute to the belt’s performance and durability, allowing it to operate under the demanding conditions typical of commercial truck use.

Benefits of Using the 3289908 V Ribbed Belt

Utilizing this part offers several advantages, including improved efficiency in power transmission, enhanced reliability under stress, and increased longevity compared to other belt types. Its design and material composition allow it to withstand the rigors of commercial truck operation, providing a cost-effective solution for maintaining vehicle performance.

Installation and Compatibility

Proper installation of the 3289908 V Ribbed Belt is crucial for ensuring its effectiveness and longevity. It requires careful alignment with pulleys and tensioning to the manufacturer’s specifications. Compatibility with various truck models and engine types should be considered to ensure optimal performance and avoid potential issues.

Maintenance and Troubleshooting

Regular maintenance of this Cummins part is important for ensuring its optimal performance and longevity. This includes periodic inspections for signs of wear, proper tensioning, and cleaning. Common issues such as slippage or cracks can often be addressed through adjustments or replacements, following the manufacturer’s guidelines.

Performance and Efficiency

The 3289908 V Ribbed Belt contributes to the overall performance and efficiency of the truck by ensuring reliable power transmission to critical components. Its design incorporates advancements that enhance durability and efficiency, supporting the truck’s operational demands.

Safety Considerations

When working with the 3289908 V Ribbed Belt, it is important to follow safety procedures to protect mechanics and operators. This includes proper handling, installation, and maintenance practices to prevent accidents and ensure the component’s effective operation.

Cummins: A Brief Overview

Cummins Inc. is a renowned manufacturer in the automotive industry, known for its commitment to quality and innovation. The company’s history of producing reliable and high-performance components underscores its reputation. Cummins’ dedication to excellence is evident in its product line, including the 3289908 V Ribbed Belt, which embodies the brand’s standards for durability and efficiency.

V Ribbed Belt 3289908 Compatibility with Cummins Engines

The V Ribbed Belt part number 3289908, manufactured by Cummins, is designed to fit a variety of Cummins engines. This belt is crucial for the proper functioning of engine accessories such as the alternator, water pump, and air conditioning compressor. Below is a detailed description of its compatibility with specific Cummins engines:

Compatible Engines

• 4B3.9
• 6B5.9
• B4.5 CM2350 B129B
• B5.9 G
• B5.9 GAS PLUS CM556
• F4.5 CM2620 F139B
• ISB4.5 CM2350 B104
• ISC CM554
• ISL CM554
• ISL9 CM2150 SN
• QSB6.7 CM850 (CM2850)

Grouping of Compatible Engines

Group 1: B Series Engines

• B4.5 CM2350 B129B
• B5.9 G
• B5.9 GAS PLUS CM556

Group 2: ISB and ISL Series Engines

• ISB4.5 CM2350 B104
• ISC CM554
• ISL CM554
• ISL9 CM2150 SN

Group 3: Other Series Engines

• 4B3.9
• 6B5.9
• F4.5 CM2620 F139B
• QSB6.7 CM850 (CM2850)

This V Ribbed Belt is engineered to ensure optimal performance and longevity, providing reliable power transmission across these diverse engine models.

Conclusion

The 3289908 V Ribbed Belt is a fundamental component in the powertrain, directly influencing the operation of the alternator, refrigerant compressor, and water pump. Its proper function is essential for the overall efficiency and reliability of these engine systems.