3289325
V Ribbed Belt
Cummins®

Introduction

The Cummins 3289325 V-Ribbed Belt is a component designed for use in commercial trucks. It plays a role in the operation of these vehicles by transferring power from the engine to various auxiliary components. This belt is integral to the efficient functioning of the truck’s engine system, ensuring that critical systems such as the alternator, water pump, and power steering pump receive the necessary power to operate ⁴.

Basic Concepts of V-Ribbed Belts

V-Ribbed Belts are characterized by their trapezoidal cross-section, which allows them to fit snugly into corresponding grooves on pulleys. This design enhances grip and reduces slippage, ensuring efficient power transmission ¹. Unlike flat belts, V-Ribbed Belts offer greater durability and can transmit more power due to their increased contact area with the pulleys. They are also more flexible and can operate at higher speeds compared to other belt types ².

Role of the 3289325 V-Ribbed Belt in Truck Operation

The 3289325 V-Ribbed Belt connects the engine to several key components. It drives the alternator, which charges the battery and powers the electrical systems. The belt also powers the water pump, which circulates coolant through the engine to maintain optimal operating temperatures. Additionally, it operates the power steering pump, making steering easier for the driver. The efficient transfer of power by this belt is crucial for the smooth and reliable operation of these systems ⁴.

Key Features of the 3289325 V-Ribbed Belt

The 3289325 V-Ribbed Belt is constructed from high-quality materials that enhance its performance and durability. It features a robust rubber compound that provides excellent flexibility and resistance to wear. The belt’s design includes multiple ribs that increase the contact area with the pulleys, improving power transmission efficiency. Additionally, it is engineered to withstand the high temperatures and dynamic loads typical in commercial truck applications ⁴.

Benefits of Using the 3289325 V-Ribbed Belt

Using the 3289325 V-Ribbed Belt offers several advantages. Its efficient power transmission capabilities contribute to improved overall engine efficiency. The belt’s durable construction reduces the frequency of replacements and maintenance, leading to lower operational costs. Furthermore, its design ensures consistent performance under varying load conditions, enhancing the reliability of the truck’s engine system ⁴.

Installation and Maintenance

Proper installation of the 3289325 V-Ribbed Belt is crucial for its performance and longevity. The process involves ensuring the belt is correctly aligned with the pulleys and tensioned to the manufacturer’s specifications. Tools such as belt tension gauges and wrenches may be required. Regular maintenance, including periodic inspections for signs of wear or damage, is recommended to ensure the belt continues to function optimally. Keeping the belt clean and free from contaminants also contributes to its longevity ⁴.

Troubleshooting Common Issues

Common issues with V-Ribbed Belts include slippage, wear, and noise. Slippage can occur if the belt is not properly tensioned or if it has become glazed due to excessive heat. Wear may be indicated by cracks or fraying on the belt’s surface. Noise, such as squealing, can be a sign of misalignment or contamination. Addressing these issues promptly by adjusting tension, replacing worn belts, or cleaning and realigning components can help maintain the belt’s performance and prevent further damage ⁴.

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 spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company is committed to delivering reliable and efficient solutions that meet the demanding requirements of commercial vehicle applications. Cummins’ extensive product range and focus on customer satisfaction underscore its position as a trusted provider of automotive components ³.

V-Ribbed Belt 3289325 Compatibility with Cummins Engines

The V-Ribbed Belt part number 3289325, 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. Below is a detailed breakdown of the engines with which this belt is compatible:

6 Series Engines

• 6B5.9
• 6C8.3

B Series Engines

• B4.5

G Series Engines

• G8.3
• G8.3 CM558

GTA Series Engines

• GTA8.3 CM558

ISB Series Engines

• ISB CM550
• ISB3.9 CM2220 B107

ISC Series Engines

• ISC CM554
• ISC CM850

ISL Series Engines

• ISL CM554
• ISL9 CM2150 SN

L Series Engines

• L8.9
• L8.9 CM2670 L134C
• L8.9 L121

QSB Series Engines

• QSB3.9 30 CM550
• QSB4.5 CM850 (CM2850)
• QSB5.9 30 CM550
• QSB5.9 44 CM550
• QSB6.7 CM850 (CM2850)

QSC Series Engines

• QSC8.3 CM2880 C102
• QSC8.3 CM554
• QSC8.3 CM850 (CM2850)

QSL Series Engines

• QSL8.9 CM2150 L141

QSB7 Series Engines

• QSB7 CM2880 B117

This belt is engineered to withstand the rigors of heavy-duty operations, providing durability and reliability across a range of engine configurations. Its compatibility with these engines ensures that the belt can be used as a reliable replacement or upgrade part, maintaining the integrity of the engine’s accessory drive system ³.

Role of Part 3289325 V-Ribbed Belt in Engine Systems

The Part 3289325 V-Ribbed Belt is integral to the efficient operation of several key engine components. It serves as the front drive belt, transferring rotational force from the crankshaft to various auxiliary components.

One of its primary functions is to drive the water pump. The V-Ribbed Belt engages with the water pump drive pulley, ensuring that the water pump operates correctly. This engagement facilitates the circulation of coolant through the engine, maintaining optimal operating temperatures and preventing overheating.

Additionally, the V-Ribbed Belt’s interaction with the water pump drive pulley is designed to be smooth and efficient, reducing wear and tear on both the belt and the pulley. This reliable transmission of power ensures that the water pump can deliver consistent coolant flow, which is essential for the longevity and performance of the engine ⁴.

Conclusion

The Cummins 3289325 V-Ribbed Belt is a critical component in the operation of commercial trucks, ensuring the efficient transfer of power to essential engine accessories. Its robust design, compatibility with a wide range of Cummins engines, and the benefits it offers in terms of durability and performance make it a reliable choice for maintaining the integrity of the engine’s accessory drive system. Proper installation, regular maintenance, and prompt troubleshooting of common issues are essential to maximize the lifespan and efficiency of this Cummins part.