3967387
V Ribbed Belt
Cummins®

The Cummins 3967387 V Ribbed Belt is a critical component for commercial trucks, facilitating the transfer of power from the engine to auxiliary components. Understanding its functionality is essential for maintaining engine efficiency and reliability.

Basic Concepts of V Ribbed Belts

V Ribbed Belts, characterized by their trapezoidal cross-section, efficiently transmit power with reduced slippage compared to flat belts. They consist of multiple layers, including a robust core, a friction surface, and protective covers ¹.

Role of the 3967387 V Ribbed Belt in Truck Operation

This Cummins part drives essential components such as the alternator, water pump, and air conditioning compressor, ensuring they receive the necessary power for operation ².

Key Features of the 3967387 V Ribbed Belt

The 3967387 V Ribbed Belt features high tensile strength, optimized rib design for power transmission, and resistance to oil and heat, enhancing its performance and durability in truck engines ³.

Benefits of Using the 3967387 V Ribbed Belt

This part offers improved efficiency in power transmission, enhanced engine performance, reduced maintenance requirements, and increased reliability, making it ideal for commercial truck applications.

Installation Considerations

Proper installation of this part is vital for optimal performance. It requires correct tension to prevent slippage, alignment with pulleys to avoid wear, and adherence to manufacturer guidelines for specific engine models.

Troubleshooting Common Issues

Common issues with the 3967387 V Ribbed Belt include slippage, wear, and noise. Troubleshooting involves checking belt tension and alignment, inspecting for wear or damage, and addressing underlying causes like pulley misalignment or engine component failure.

Maintenance Tips

Regular maintenance of the 3967387 V Ribbed Belt is crucial for prolonging its life and ensuring consistent engine performance. This includes periodic inspections, checking tension and alignment, and replacing the belt according to manufacturer recommendations or when significant wear is observed.

Cummins: A Brief Overview

Cummins Inc. is renowned in the commercial truck industry for its commitment to quality and innovation. The company’s history is marked by a dedication to producing reliable and efficient automotive components.

Compatibility with Engine Models

The V Ribbed Belt 3967387 is compatible with B6.7S, QSM11, and CM570 engines, enhancing their efficiency and reliability.

Role of Part 3967387 V Ribbed Belt in Engine Systems

The 3967387 V Ribbed Belt is integral to the operation of various engine systems, transmitting power from the engine’s crankshaft to auxiliary components.

Integration with the Belt System

The ribbed design of the belt allows it to grip pulleys more effectively, reducing slippage and enhancing power transmission.

Connection to the Fan Drive

The V Ribbed Belt ensures the fan drive operates at the correct speed, maintaining optimal engine temperature and preventing overheating.

Drive System Coordination

This part connects to various pulleys in the drive system, ensuring all connected components receive the necessary power to function correctly.

Water Pump Operation

The V Ribbed Belt drives the water pump, ensuring efficient circulation of coolant throughout the engine, maintaining consistent temperature levels and preventing damage from overheating.

Conclusion

The Cummins 3967387 V Ribbed Belt plays a vital role in the operation of commercial truck engines, ensuring efficient power transmission to auxiliary components. Its design, features, and compatibility with specific engine models contribute to enhanced engine performance and reliability. Regular maintenance and proper installation are key to maximizing the benefits of this part.