4933087
V Ribbed Belt
Cummins®

The Cummins 4933087 V-Ribbed Belt is a critical component designed to facilitate the operation of commercial trucks. It is integral to the auxiliary systems of the engine, ensuring that various components receive the necessary power to function correctly. Understanding its purpose and significance can enhance the maintenance and operational efficiency of commercial trucks.

Basic Concepts of V-Ribbed Belts

V-Ribbed Belts are characterized by their trapezoidal cross-section, which allows them to engage with corresponding pulleys more effectively than flat belts. These belts are constructed from multiple layers of rubber and fabric, providing durability and flexibility. They function by transferring rotational force from the engine’s crankshaft to various components such as the alternator, water pump, and power steering pump. Unlike flat belts, V-Ribbed Belts offer greater surface contact with pulleys, which enhances power transmission and reduces slippage ¹.

Role of the 4933087 V-Ribbed Belt in Truck Operation

The Cummins 4933087 V-Ribbed Belt plays a specific role in the operation of a truck by driving multiple engine components. It ensures that the alternator generates electricity, the water pump circulates coolant, and other auxiliary systems receive the power needed to operate. This belt contributes to the overall engine performance by maintaining the functionality of these critical systems, which are necessary for the truck’s operation ².

Key Features of the 4933087 V-Ribbed Belt

The Cummins 4933087 V-Ribbed Belt is distinguished by its material composition, which includes high-quality rubber and fabric layers that provide durability and flexibility. Its design enhancements may include specialized rib profiles and reinforced edges to improve performance and longevity. These features set it apart from other V-Ribbed Belts, offering improved efficiency and reliability in demanding commercial truck applications ³.

Benefits of Using the 4933087 V-Ribbed Belt

Incorporating the Cummins 4933087 V-Ribbed Belt into a truck’s engine system can lead to improved efficiency, as it is designed to minimize power loss during transmission. Its durability ensures a longer service life, reducing the frequency of replacements. Additionally, the belt’s performance enhancements contribute to the overall reliability and efficiency of the truck’s engine system.

Installation Considerations

Proper installation of the 4933087 V-Ribbed Belt is crucial for its effective function. This includes ensuring correct alignment with the pulleys to prevent excessive wear and maintaining the appropriate tension to avoid slippage. Compatibility with various truck models should be verified to ensure optimal performance and longevity of the belt.

Maintenance and Troubleshooting

Regular maintenance of the 4933087 V-Ribbed Belt is important for ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear, cracks, or glazing, and ensuring that the belt remains properly tensioned. Troubleshooting common issues, such as slippage or noise, often involves checking the alignment and tension of the belt, as well as inspecting the pulleys for wear or damage.

About Cummins

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. Its product range includes a variety of components and systems designed to enhance the performance and reliability of commercial vehicles.

V-Ribbed Belt 4933087 Compatibility with Cummins Engines

The V-Ribbed Belt part number 4933087, manufactured by Cummins, is designed to fit a variety of Cummins engines. This belt is crucial for the proper functioning of the engine’s ancillary systems, ensuring that components such as the alternator, water pump, and air conditioning compressor operate efficiently.

ISC CM2150 and ISL CM2150

The V-Ribbed Belt 4933087 is compatible with the ISC CM2150 and ISL CM2150 engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The belt’s design ensures a secure fit and optimal performance in these engines, maintaining the necessary tension to drive the ancillary systems without slippage.

ISC8.3 CM2250 and ISL9 CM2150 SN

The belt also fits the ISC8.3 CM2250 and ISL9 CM2150 SN engines. These engines are part of the Cummins lineup that emphasizes high power output and efficiency. The V-Ribbed Belt 4933087 is engineered to handle the specific demands of these engines, providing consistent performance and durability.

ISL G CM2180 and ISL9 CM2250

Lastly, the V-Ribbed Belt 4933087 is suitable for the ISL G CM2180 and ISL9 CM2250 engines. These engines are designed for applications requiring a balance of power and fuel efficiency. The belt’s precise dimensions and material strength ensure it can withstand the operational stresses of these engines, contributing to their longevity and reliability.

Role of Part 4933087 V-Ribbed Belt in Engine Systems

The V-Ribbed Belt, specifically part 4933087, is integral to the efficient operation of various engine components. It serves as the primary means of transferring rotational force from the engine’s crankshaft to auxiliary components, ensuring their synchronized operation.

Interaction with the Front Drive

The front drive mechanism relies on the V-Ribbed Belt to transmit power from the crankshaft. This transfer of power is essential for the operation of components located at the front of the engine, such as the alternator, power steering pump, and air conditioning compressor. The belt’s ribbed design enhances grip and reduces slippage, ensuring consistent power delivery.

Drive Mechanism Functionality

Within the drive mechanism, the V-Ribbed Belt engages with pulleys attached to various engine components. As the crankshaft rotates, the belt drives these pulleys, which in turn rotate the connected components. This setup allows for the efficient distribution of power throughout the engine system, supporting the operation of multiple systems simultaneously.

Water Pump Drive System

A significant application of the V-Ribbed Belt is in the water pump drive system. The belt connects to the water pump pulley, enabling the pump to circulate coolant through the engine. This circulation is vital for maintaining optimal engine temperature, preventing overheating, and ensuring the longevity of engine components.

Water Pump Operation

The water pump, driven by the V-Ribbed Belt, plays a key role in the engine’s cooling system. As the belt rotates the water pump, coolant is drawn from the radiator and pumped through the engine block and cylinder head. This process dissipates heat generated during combustion, maintaining engine efficiency and preventing damage from excessive heat.

Conclusion

In summary, the Cummins 4933087 V-Ribbed Belt is a fundamental component in the engine’s auxiliary systems, facilitating the operation of the front drive, various driven components, and the water pump. Its reliable performance ensures the smooth and efficient functioning of these critical engine subsystems.