4941258
V Ribbed Belt
Cummins®

The Cummins 4941258 V Ribbed Belt is a critical component for commercial trucks, facilitating the transfer of power from the engine to auxiliary components. Understanding its purpose and functionality is essential for maintaining the efficiency and reliability of truck operations.

Basic Concepts of V Ribbed Belts

V Ribbed Belts, characterized by their trapezoidal cross-section, are designed to engage with corresponding pulleys in mechanical systems. These belts transmit power from the engine to components such as the alternator, water pump, and air conditioning compressor. The design typically involves a rubber compound reinforced with textile cords, providing strength and flexibility for efficient power transmission ¹.

Role of the 4941258 V Ribbed Belt in Truck Operation

This Cummins part connects the engine to essential components like the alternator and air conditioning compressor. Its proper function ensures these components operate efficiently, contributing to the overall performance and comfort of the vehicle ².

Key Features of the 4941258 V Ribbed Belt

The 4941258 V Ribbed Belt is distinguished by its durable rubber compound and textile cords, which provide strength and flexibility. The rib design is tailored to match the pulleys it engages with, ensuring optimal power transmission and reduced slippage. Additionally, the belt may possess unique attributes that enhance its performance and durability in demanding truck applications ³.

Benefits of Using the 4941258 V Ribbed Belt

Utilizing this Cummins part offers several advantages, including improved efficiency in power transmission, better fuel economy, reduced maintenance requirements, and consistent performance, minimizing the risk of unexpected downtime ⁴.

Installation Considerations

Proper installation of this part is crucial for its effective operation. This includes adhering to tensioning requirements to ensure the belt is neither too tight nor too loose, and following alignment procedures to prevent undue stress on the belt and connected components.

Troubleshooting Common Issues

Common issues with V Ribbed Belts, such as belt slippage, noise, and wear, can often be traced to installation errors, improper tensioning, or environmental factors. Addressing these issues may involve re-tensioning the belt, ensuring proper alignment, or replacing the belt if it shows signs of excessive wear.

Maintenance Tips

Regular maintenance of the 4941258 V Ribbed Belt is important for ensuring optimal performance and longevity. This includes periodic inspections to check for signs of wear or damage, and following manufacturer guidelines for replacement intervals. Keeping the belt clean and free from contaminants can also contribute to its longevity.

Cummins Overview

Cummins Inc. is a well-established company with a significant presence in the commercial truck industry. With a history of innovation and quality, Cummins has built a reputation for producing reliable and high-performance components, including the 4941258 V Ribbed Belt. Their commitment to excellence is reflected in the design and functionality of their products, which are engineered to meet the demanding requirements of commercial truck applications.

V Ribbed Belt 4941258 Compatibility with Cummins Engines

The V Ribbed Belt part number 4941258, manufactured by Cummins, is designed to fit a variety of Cummins engines. This belt is integral 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.

ISL G CM2180

The ISL G CM2180 engine benefits from the 4941258 V Ribbed Belt, which is engineered to handle the specific demands of this model. The belt’s robust design ensures reliable power transmission, contributing to the engine’s overall performance and longevity.

QSB4.5 Series

The QSB4.5 CM2250 EC and QSB4.5 CM850(CM2850) engines are also compatible with the 4941258 V Ribbed Belt. This belt is critical in maintaining the balance and efficiency of the engine’s various components, ensuring smooth operation and reducing wear and tear.

QSB6.7 Series

For the QSB6.7 CM850(CM2850) engine, the 4941258 V Ribbed Belt is essential for the proper functioning of the engine’s ancillary systems. Its design allows for optimal power transmission, which is crucial for the engine’s performance and durability.

QSB7 Series

The QSB7 CM2880 B117 engine is another model that utilizes the 4941258 V Ribbed Belt. This belt is engineered to meet the high demands of this engine, ensuring that all connected components operate smoothly and efficiently.

Each of these engines relies on the 4941258 V Ribbed Belt for the seamless operation of their ancillary systems, highlighting the importance of this component in maintaining engine performance and reliability.

Role of Part 4941258 V Ribbed Belt in Engine Systems

The V Ribbed Belt, identified by part number 4941258, 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 system, the V Ribbed Belt connects the crankshaft to the pulleys of different engine accessories. This belt is responsible for driving these accessories, allowing them to perform their designated functions. The belt’s ribbed design enhances its grip on the pulleys, reducing slippage and ensuring a consistent transfer of power. This consistent power transfer is essential for the smooth operation of the engine’s ancillary systems.

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. This circulation is vital for maintaining optimal engine temperature, preventing overheating, and ensuring the engine operates within its designed parameters. The V Ribbed Belt’s durability and flexibility are key to withstanding the continuous motion required to keep the water pump functioning effectively.

Conclusion

In summary, the V Ribbed Belt (part 4941258) plays a significant role in the coordination and efficiency of the engine’s drive system and cooling mechanisms. Its reliable performance ensures that both the drive components and the water pump operate harmoniously, contributing to the overall stability and performance of the engine.