3289864
V Ribbed Belt
Cummins®

The V Ribbed Belt, a fundamental component in automotive applications, facilitates the transfer of power from the engine to various ancillary systems. This overview focuses on the 3289864 V Ribbed Belt manufactured by Cummins, highlighting its design, function, and significance within the engine system.

Basic Concepts of V Ribbed Belts

V Ribbed Belts are characterized by their trapezoidal cross-section, which allows for a larger contact area with the pulleys compared to flat belts. This design enhances grip and efficiency in power transmission. Constructed from durable materials such as rubber and polyester cords, V Ribbed Belts are engineered to withstand high tension and dynamic loads. They differ from other belt types, like flat or timing belts, in their ability to transmit power more efficiently with less slippage, making them ideal for modern automotive applications ¹.

Role of the 3289864 V Ribbed Belt in Truck Operation

The 3289864 V Ribbed Belt plays a pivotal role in the truck’s engine system by driving multiple ancillary components. It is responsible for powering the alternator, which charges the battery and supplies electrical power to the vehicle’s systems. Additionally, it drives the water pump, ensuring proper circulation of coolant to maintain engine temperature. The belt also operates the air conditioning compressor, contributing to the comfort of the vehicle’s occupants. Its efficient power transmission capabilities are crucial for the smooth operation of these components ².

Key Features

The 3289864 V Ribbed Belt is crafted from high-quality materials, including a robust rubber compound and polyester cords, which provide strength and flexibility. Its design incorporates multiple ribs that increase the contact surface with the pulleys, enhancing grip and reducing the likelihood of slippage. Unique to this belt are its optimized tension and length, which are tailored to fit specific engine configurations, ensuring optimal performance and durability.

Benefits

Utilizing the 3289864 V Ribbed Belt offers several advantages. Its efficient design contributes to improved engine performance by ensuring reliable power transmission to critical components. The belt’s durability reduces the frequency of replacements, lowering maintenance requirements. Additionally, its construction minimizes energy loss during operation, contributing to overall fuel efficiency ³.

Troubleshooting and Maintenance

Common issues with V Ribbed Belts include wear, cracking, and slippage. Regular inspection for signs of damage or excessive wear is recommended to prevent failure. Maintenance practices such as proper tensioning and alignment of the belt can significantly extend its lifespan and ensure optimal performance. Addressing issues promptly and following manufacturer guidelines for replacement intervals can help maintain the efficiency and reliability of the engine system.

Compatibility with Cummins Engines

The V Ribbed Belt part number 3289864, manufactured by Cummins, is designed to fit a variety of Cummins engines. This belt is engineered to ensure efficient power transmission from the engine’s crankshaft to various ancillary systems, such as the alternator, water pump, and air conditioning compressor.

ISB Series Engines

• ISB CM2150
• ISB CM850
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118

ISC Series Engines

• ISC CM2150
• ISC CM850
• ISC8.3 CM2250

ISL Series Engines

• ISL CM2150
• ISL9 CM2150 SN
• ISL9 CM2250

QSB Series Engines

• QSB4.5 CM2250 EC
• QSB4.5 CM850(CM2850)
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850(CM2850)

QSC and QSL Series Engines

• QSC8.3 CM850(CM2850)
• QSL8.9 CM2150 L141
• QSL9 CM2250
• QSL9 CM2350 L102
• QSL9 CM850(CM2850)

By ensuring that the V Ribbed Belt part number 3289864 is correctly installed and maintained, these Cummins engines can operate efficiently and reliably, providing the necessary power to their auxiliary systems.

Role of Part 3289864 V Ribbed Belt in Engine Systems

The V Ribbed Belt, identified by part number 3289864, is an essential component in the efficient operation of various engine systems. Its primary function is to transfer rotational force from the crankshaft to multiple engine accessories, ensuring they operate in unison with the engine’s rhythm.

Integration with the Front Drive Belt System

In the front drive belt system, the V Ribbed Belt is responsible for driving several key components. It wraps around the crankshaft pulley and extends to other pulleys connected to engine accessories. This setup allows for the simultaneous operation of these accessories, optimizing the engine’s performance and efficiency.

Driving the Water Pump

A significant application of the V Ribbed Belt is in driving the water pump. The water pump is a vital component in the engine’s cooling system. It circulates coolant through the engine block and radiator, maintaining optimal engine temperature. The V Ribbed Belt ensures the water pump operates in sync with the engine, providing consistent coolant flow and preventing overheating.

Ensuring Accessory Synchronization

Beyond the water pump, the V Ribbed Belt also engages with other engine accessories such as the alternator, power steering pump, and air conditioning compressor. This synchronization is vital for the proper functioning of these systems, ensuring that electrical power is generated, steering is assisted, and cabin climate is controlled, all in harmony with the engine’s operation.

Conclusion

In summary, the V Ribbed Belt (part 3289864) plays a pivotal role in the coordination and efficiency of engine systems, facilitating the smooth operation of essential components and contributing to the overall performance and reliability of the engine.