4942995
V Ribbed Belt
Cummins®

Introduction

The Cummins 4942995 V Ribbed Belt is a critical component in commercial trucks, designed to transfer power from the engine to various auxiliary components. This ensures the efficient operation of these components, which are essential for the truck’s performance and reliability ⁴.

Basic Concepts of V Ribbed Belts

V Ribbed Belts feature a trapezoidal cross-section, which increases the contact area with pulleys, enhancing power transmission efficiency. In a truck’s engine system, these belts drive multiple components simultaneously, such as the alternator, water pump, and air conditioning compressor, contributing to the engine’s auxiliary functions ².

Role of the 4942995 V Ribbed Belt in Truck Operation

This Cummins part is integral to the operation of a truck by driving several key components. It powers the alternator to generate electricity, the water pump to circulate coolant through the engine, and the air conditioning compressor to cool the cabin. By ensuring these components function correctly, the belt contributes to the engine’s performance, efficiency, and the truck’s overall operational capability ³.

Key Features of the 4942995 V Ribbed Belt

Constructed from high-quality materials, this part is designed to withstand the demanding conditions of commercial truck operation. Its design includes multiple ribs that increase the contact area with pulleys, enhancing power transmission efficiency. Additionally, the belt is engineered with durability in mind, featuring resistance to wear, heat, and chemicals, which are common in truck engine environments ¹.

Benefits of Using the 4942995 V Ribbed Belt

Utilizing this V Ribbed Belt offers several advantages. Its efficient power transmission capabilities contribute to improved engine performance. The belt’s durable construction ensures reliability under harsh operating conditions, leading to longer service intervals. Furthermore, its design reduces the risk of slippage, enhancing the overall efficiency and reliability of the truck’s engine system ⁴.

Troubleshooting and Maintenance Suggestions

To maintain optimal performance, regular inspection of the 4942995 V Ribbed Belt for signs of wear, cracking, or glazing is recommended. Ensuring proper tension and alignment can prevent premature wear and failure. Addressing any issues promptly can extend the belt’s lifespan and maintain the efficiency of the engine’s auxiliary systems ².

Installation Guidelines

When installing the 4942995 V Ribbed Belt, it is important to follow the manufacturer’s guidelines for tension and alignment. Proper installation ensures efficient power transmission and reduces the risk of belt failure. Attention to detail during installation, such as avoiding twists or kinks in the belt, is crucial for its performance and longevity ³.

Manufacturer Information - Cummins

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a history of producing reliable and efficient engine components, Cummins has established a reputation for excellence. Their focus on research and development ensures that their products, like the 4942995 V Ribbed Belt, meet the high standards required for commercial truck applications ¹.

V Ribbed Belt (Part 4942995) Compatibility with Cummins Engines

The V Ribbed Belt, identified by part number 4942995 and manufactured by Cummins, is a critical component in the operation of several Cummins engine models. This belt is designed to transfer power from the engine’s crankshaft to various ancillary components, ensuring efficient operation of the vehicle or machinery.

ISC CM2150 and ISL CM2150

The V Ribbed Belt 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 it can handle the high rotational speeds and torques characteristic of these engines, maintaining optimal performance over time ¹.

ISC8.3 CM2250 and ISL9 CM2250

Similarly, the V Ribbed Belt fits the ISC8.3 CM2250 and ISL9 CM2250 engines. These engines are part of the next generation of Cummins offerings, designed to provide enhanced power and efficiency. The belt’s precision engineering allows it to work seamlessly with the advanced features of these engines, ensuring that power is transmitted effectively to the vehicle’s accessories ¹.

Installation and Maintenance

Proper installation of the V Ribbed Belt is crucial for the longevity and performance of the engine. It is essential to follow the manufacturer’s guidelines for tension and alignment to prevent premature wear and potential engine damage. Regular inspection and maintenance of the belt can help identify signs of wear or damage early, ensuring continued reliable operation of the engine ².

Compatibility Summary

• ISC CM2150
• ISL CM2150
• ISC8.3 CM2250
• ISL9 CM2250

The V Ribbed Belt (Part 4942995) is a versatile and essential component for these Cummins engines, ensuring efficient power transfer and reliable operation across various applications ¹.

Role of Part 4942995 V Ribbed Belt in Engine Systems

The V Ribbed Belt, identified by part number 4942995, is an essential component in the efficient operation of various engine systems. Its primary function is to transmit power from the engine to multiple auxiliary components, ensuring they operate in harmony with the engine’s performance ⁴.

Interaction with the Compressor

In systems equipped with an air conditioning (AC) compressor, the V Ribbed Belt plays a significant role. It drives the compressor, allowing it to circulate refrigerant through the AC system. This circulation is vital for the cooling process, as it enables the refrigerant to absorb heat from the vehicle’s interior and release it outside. The consistent and reliable power transmission provided by the V Ribbed Belt ensures that the compressor operates smoothly, contributing to the overall comfort of the vehicle’s occupants ².

Contribution to Refrigerant Circulation

The efficient operation of the refrigerant cycle is directly influenced by the performance of the V Ribbed Belt. As the belt drives the compressor, it ensures that the refrigerant is pumped at the correct pressure and flow rate. This is essential for the refrigerant to effectively change states—from liquid to gas and back—as it absorbs and releases heat. The V Ribbed Belt’s role in this process underscores its importance in maintaining the desired temperature within the vehicle, enhancing both comfort and driver satisfaction ³.

Overall System Integration

Beyond its specific roles with the compressor and refrigerant system, the V Ribbed Belt is integral to the operation of other engine-driven accessories. These may include the alternator, power steering pump, and water pump, among others. The belt’s design allows it to grip pulleys with multiple ribs, providing a more even distribution of power and reducing the risk of slippage. This not only improves the efficiency of power transmission but also extends the lifespan of the belt and the components it drives ⁴.

Conclusion

In summary, the V Ribbed Belt (part 4942995) is a key component in the engine system, facilitating the smooth operation of the compressor and ensuring efficient refrigerant circulation. Its reliable performance is fundamental to the overall functionality and comfort of the vehicle ⁴.