4935460
V Ribbed Belt
Cummins®

Introduction

The Cummins 4935460 V-Ribbed Belt is a component designed for use in commercial trucks. It plays a role in the operation of these vehicles by facilitating the transfer of power from the engine to various ancillary systems. Understanding its purpose and significance is key to maintaining the efficiency and reliability of truck engines.

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 fit snugly into corresponding grooves on pulleys. This design enhances grip and reduces slippage, ensuring efficient power transmission ¹. In the context of a truck engine, V-Ribbed Belts drive components such as the alternator, water pump, and air conditioning compressor, playing a role in the operation of these ancillary systems.

Purpose of the 4935460 V-Ribbed Belt

The Cummins 4935460 V-Ribbed Belt is engineered to drive multiple components within a truck’s engine system. It facilitates the operation of the alternator for electrical power generation, the water pump for coolant circulation, and other systems that contribute to the engine’s overall functionality. By ensuring these components receive the necessary power, the belt supports the engine’s performance and durability.

Key Features

The Cummins 4935460 V-Ribbed Belt is distinguished by its robust design and the materials used in its construction. It features a durable rubber compound reinforced with high-tensile cords, which enhances its strength and flexibility. The belt’s unique characteristics, such as its resistance to heat, oil, and wear, contribute to its performance and longevity in demanding truck engine environments ².

Benefits of Using the 4935460 V-Ribbed Belt

Utilizing the Cummins 4935460 V-Ribbed Belt offers several advantages. Its efficient power transmission capabilities contribute to improved engine performance. The belt’s durable construction ensures reliability under various operating conditions. Additionally, its longevity reduces the frequency of replacements, offering cost-effectiveness over time ³.

Installation Considerations

Proper installation of the Cummins 4935460 V-Ribbed Belt is crucial for ensuring optimal performance and longevity. Guidelines recommend aligning the belt correctly on the pulleys to avoid excessive wear and ensure efficient power transmission. Tensioning the belt to the manufacturer’s specifications is also important to prevent slippage and maintain system efficiency ⁴.

Maintenance Tips

Regular maintenance practices are essential for prolonging the life of the Cummins 4935460 V-Ribbed Belt. Inspection intervals should be observed to check for signs of wear, such as cracking, glazing, or fraying. Addressing these issues promptly can prevent belt failure and ensure continued engine efficiency ⁵.

Troubleshooting Common Issues

Common problems associated with V-Ribbed Belts include slippage, noise, and premature wear. These issues can arise from incorrect installation, improper tensioning, or exposure to harsh operating conditions. Identifying the root cause and applying the appropriate solution, such as re-tensioning the belt or addressing pulley alignment, can resolve these problems ⁶.

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. Its product range includes a variety of engines and components designed to meet the demanding requirements of commercial vehicles.

V-Ribbed Belt 4935460 Compatibility with Cummins Engines

The V-Ribbed Belt part number 4935460, 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.

ISB5.9 Series

The ISB5.9 series engines, including the ISB5.9 CM2880 B110, ISB5.9 CM2880 B140, and ISB5.9 CM2880 B149, are equipped with the V-Ribbed Belt 4935460. This belt is engineered to handle the specific demands of these engines, providing reliable power transmission and durability.

ISC and ISL Series

The ISC CM2150 and ISL CM2150 engines also utilize the V-Ribbed Belt 4935460. These engines, known for their robust performance, benefit from the belt’s ability to maintain consistent tension and reduce wear, ensuring longevity and efficiency.

QSB Series

The QSB4.5 CM850 (CM2850), QSB6.7 CM850 (CM2850), and QSB7 CM2880 B117 engines are compatible with the V-Ribbed Belt 4935460. This belt is designed to withstand the operational stresses of these engines, providing a reliable solution for power transmission.

QSC and QSL Series

The V-Ribbed Belt 4935460 is also suitable for the QSC9 CM2250 and QSL9 CM2250 engines. These engines require a belt that can maintain performance under varying conditions, and the 4935460 is engineered to meet these requirements.

Role of Part 4935460 V-Ribbed Belt in Engine Systems

The V-Ribbed Belt, identified by part number 4935460, is integral to the efficient operation of various engine components. Its primary function is to transfer rotational force from the engine’s crankshaft to auxiliary components, ensuring they operate in sync with the engine’s rhythm.

Drive Mechanism

In the drive mechanism, the V-Ribbed Belt is responsible for transmitting power from the crankshaft to the pulleys of different engine accessories. This transfer of power is essential for the operation of components such as the alternator, power steering pump, and air conditioning compressor. The belt’s ribbed design enhances its grip on the pulleys, allowing for a more efficient and reliable transfer of power.

Water Pump

The water pump is another component that relies on the V-Ribbed Belt for operation. The belt drives the water pump, which circulates coolant through the engine to maintain optimal operating temperatures. This circulation is vital for preventing overheating and ensuring the engine’s longevity. The V-Ribbed Belt’s durability and flexibility are key in withstanding the continuous motion required for effective coolant circulation.

Water Pump Drive

The water pump drive system is directly influenced by the performance of the V-Ribbed Belt. As the belt rotates the water pump, it ensures a consistent flow of coolant. This system is designed to handle the varying demands of the engine, from idle to high-performance scenarios. The V-Ribbed Belt’s ability to maintain tension and alignment within the drive system is essential for the water pump’s reliable operation.

Conclusion

In summary, the V-Ribbed Belt (part 4935460) plays a significant role in the coordination and efficiency of engine components, particularly in the drive mechanism, water pump, and water pump drive system. Its design and material properties are tailored to meet the demands of these applications, ensuring smooth and reliable engine performance.