3289347
V Ribbed Belt
Cummins®

The Cummins 3289347 V Ribbed Belt is a component designed for use in commercial trucks. It serves a significant role in the operation of these vehicles by facilitating the transfer of power from the engine to various accessories. Understanding its function and importance 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 grip pulleys more effectively than flat belts. They are commonly used in the drivetrain of trucks to transfer power from the engine to accessories such as the alternator, water pump, and power steering pump. Unlike flat belts, V Ribbed Belts offer greater durability and efficiency due to their design, which reduces slippage and enhances power transmission ¹.

Purpose of the 3289347 V Ribbed Belt

The Cummins 3289347 V Ribbed Belt plays a role in the operation of a truck by driving various engine accessories. It is responsible for transferring power from the engine to components such as the alternator, which generates electricity; the water pump, which circulates coolant through the engine; and the power steering pump, which assists in steering the vehicle. This belt ensures that these accessories operate efficiently, contributing to the overall performance and reliability of the truck.

Key Features

The Cummins 3289347 V Ribbed Belt is designed with several features that enhance its performance and durability. Its construction includes high-quality materials that resist wear and tear, ensuring longevity. The belt’s design incorporates multiple ribs, which increase the contact surface area with pulleys, improving grip and reducing the likelihood of slippage. Additionally, it is engineered to withstand the high temperatures and dynamic loads encountered in commercial truck applications.

Benefits

Using the Cummins 3289347 V Ribbed Belt offers several advantages. Its design contributes to improved efficiency in power transmission, reducing the load on the engine and enhancing overall vehicle performance. The belt’s durability leads to reduced maintenance requirements, as it is less prone to wear and tear compared to other belt types. Furthermore, its reliable operation ensures consistent performance of engine accessories, contributing to the truck’s reliability.

Installation

Installing the Cummins 3289347 V Ribbed Belt requires following specific guidelines to ensure proper fit and function. The process involves routing the belt around the designated pulleys, ensuring it is correctly aligned and tensioned. Tools such as belt tensioners may be required to achieve the correct tension, which is critical for efficient operation and longevity of the belt. Detailed instructions should be followed to avoid common installation errors.

Maintenance

Regular maintenance of the Cummins 3289347 V Ribbed Belt is important to ensure its continued efficient operation. This includes periodic inspections for signs of wear, such as cracking or glazing, which can indicate the need for replacement. Keeping the belt clean and free from contaminants also contributes to its longevity. Adhering to recommended replacement intervals helps prevent unexpected failures and ensures the belt continues to perform its intended function effectively.

Troubleshooting

Common issues with the Cummins 3289347 V Ribbed Belt may include slippage, cracking, or noise during operation. Slippage can often be addressed by adjusting the belt tension, while cracking may indicate the need for replacement. Noise can be caused by misalignment or contamination, which can be resolved by realigning the belt or cleaning the pulleys. Identifying the root cause of these issues is key to resolving them effectively and maintaining the belt’s performance.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the commercial truck industry, Cummins offers a wide range of products designed to enhance the performance, efficiency, and reliability of vehicles. Their commitment to innovation and quality ensures that their components, including the 3289347 V Ribbed Belt, meet the demanding requirements of commercial truck applications.

V Ribbed Belt (Part 3289347) Compatibility with Cummins Engines

The V Ribbed Belt, identified by the part number 3289347, is a critical component in the operation of various Cummins engines. This belt is designed to efficiently transfer power from the engine’s crankshaft to ancillary systems such as the alternator, water pump, and air conditioning compressor. Its robust design ensures reliable performance and longevity, making it a preferred choice for many engine applications.

Compatibility with Specific Engine Models

The V Ribbed Belt part 3289347 is compatible with a range of Cummins engines, including:

• Industrial and Commercial Engines: 4B3.9, 6B5.9, 6C8.3, ISB CM550, ISB CM850, QSB4.5 CM2250 EC, QSB4.5 CM850(CM2850), QSB5.9 44 CM550, QSB6.7 CM2250, QSB6.7 CM2350 B105, QSB6.7 CM850(CM2850), QSB7 CM2880 B117
• On-Highway and Vocational Engines: ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250, ISL CM2150, ISL CM554, ISL G CM2180, ISL9 CM2150 SN, ISL9 CM2250, QSL9 CM2250, QSL9 CM2350 L102

These engines benefit from the belt’s precision-engineered design, which ensures consistent power delivery and reduces the risk of belt failure under heavy load conditions.

Role of Part 3289347 V Ribbed Belt in Engine Systems

The V Ribbed Belt, identified by part number 3289347, is an essential component in the efficient operation of several engine systems. 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.

Alternator Drive

In the alternator drive system, the V Ribbed Belt connects the crankshaft to the alternator. This connection allows the alternator to generate electrical power as the engine runs, which is then used to charge the battery and power the vehicle’s electrical systems. The consistent and reliable transfer of power is vital for maintaining a stable electrical supply.

Front Drive Belt

The front drive belt system utilizes the V Ribbed Belt to drive multiple components simultaneously. This setup is designed to reduce the number of individual belts required, streamlining the engine compartment and improving maintenance efficiency. The belt’s ribbed design enhances grip and reduces slippage, ensuring smooth operation of connected components.

Water Pump Drive

In the water pump drive system, the V Ribbed Belt plays a key role in circulating coolant through the engine. By driving the water pump, the belt ensures that coolant is consistently pumped through the engine block and cylinder head, dissipating heat and preventing overheating. This is particularly important in high-performance or high-stress driving conditions.

Water Pump Drive Pulley

The water pump drive pulley is another component where the V Ribbed Belt is integral. The belt engages with the pulley to transfer motion from the crankshaft to the water pump. The precise fit and tension of the belt on the pulley are essential for optimal water pump performance, ensuring efficient coolant circulation and engine temperature regulation.

Conclusion

Overall, the V Ribbed Belt (part 3289347) is a versatile and reliable component that enhances the functionality and efficiency of various engine systems. Its role in driving the alternator, front drive belt, water pump, and associated pulleys underscores its importance in maintaining the overall performance and reliability of the engine.