4988883
V Ribbed Belt
Cummins®

The 4988883 V-Ribbed Belt is a component manufactured by Cummins, a well-established name in the automotive industry. This belt is specifically designed for use in commercial trucks, where it plays a role in the engine’s auxiliary systems.

Basic Concepts of V-Ribbed Belts

V-Ribbed Belts are characterized by their trapezoidal cross-section, which allows them to fit snugly into corresponding grooves on pulleys. This design enhances grip and reduces slippage compared to flat belts ¹. V-Ribbed Belts are constructed from multiple layers of rubber and textile cords, providing durability and flexibility ². They function by transferring rotational force from the engine’s crankshaft to various components such as the alternator, water pump, and air conditioning compressor. Unlike timing belts, which synchronize the rotation of the camshaft and crankshaft, V-Ribbed Belts drive accessories that are not directly involved in the engine’s combustion process ³.

Role of the 4988883 V-Ribbed Belt in Truck Operation

This Cummins part is integral to the operation of a truck’s engine system. It drives multiple components including the alternator, which charges the battery and powers electrical systems; the water pump, which circulates coolant to regulate engine temperature; and the air conditioning compressor, which provides climate control. By ensuring these components operate efficiently, the belt contributes to the truck’s overall performance, reliability, and driver comfort.

Key Features of the 4988883 V-Ribbed Belt

This part is engineered with high-quality materials and design elements to enhance its performance and durability. It is constructed from a robust rubber compound and reinforced with textile cords, providing strength and flexibility. The belt’s design includes multiple ribs, which increase the contact area with pulleys, improving grip and reducing the likelihood of slippage. Additionally, it features a unique pattern on the belt’s surface to further enhance friction and durability.

Benefits of Using the 4988883 V-Ribbed Belt

Utilizing this Cummins part offers several advantages. Its design and material composition contribute to improved efficiency in driving engine accessories, leading to better overall engine performance ⁴. The belt’s durability ensures reliability under the demanding conditions typical of commercial truck operations. Furthermore, its longevity reduces the frequency of replacements, offering cost savings over time.

Installation Considerations

Proper installation of this part is crucial for optimal performance. It should be routed according to the manufacturer’s specifications to ensure it aligns correctly with all pulleys. Tensioning the belt to the recommended specifications is important to prevent slippage and ensure efficient power transmission. Careful attention to these details during installation will help maintain the belt’s performance and longevity.

Maintenance and Troubleshooting

Regular maintenance is key to prolonging the life of this Cummins part. This includes periodic inspections for signs of wear, cracking, or glazing, and ensuring it remains properly tensioned. Common issues such as slippage or noise can often be traced back to incorrect tension or alignment. Addressing these issues promptly can prevent more serious problems and extend the belt’s service life.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer in the automotive industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has established a strong reputation among commercial vehicle operators and maintenance professionals. Their focus on research and development ensures that their products, like the 4988883 V-Ribbed Belt, meet the rigorous demands of modern commercial truck applications.

V-Ribbed Belt 4988883 Compatibility with Cummins Engines

The V-Ribbed Belt part number 4988883, manufactured by Cummins, is designed to fit a variety of Cummins engines. This belt is essential for the proper functioning of the engine’s ancillary components, ensuring that systems such as the alternator, water pump, and air conditioning compressor operate efficiently.

ISB/ISD6.7 CM2150 SN and ISBE CM2150

The V-Ribbed Belt 4988883 is compatible with the ISB/ISD6.7 CM2150 SN and ISBE 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 torque and rotational speeds typical of these engines, providing a secure grip and minimizing slippage.

ISBE4 CM850

The ISBE4 CM850 engine also benefits from the V-Ribbed Belt 4988883. This engine is typically used in medium-duty applications, and the belt’s precision fit ensures that it can manage the demands of these engines effectively. The belt’s durability and resistance to wear make it a reliable choice for maintaining the performance of the engine’s ancillary systems.

QSB4.5 CM2250 EC and QSB4.5 CM850 (CM2850)

The V-Ribbed Belt 4988883 is also suitable for the QSB4.5 CM2250 EC and QSB4.5 CM850 (CM2850) engines. These engines are often found in a range of applications, from agricultural to industrial uses. The belt’s design allows it to adapt to the varying operational conditions these engines encounter, ensuring consistent performance and longevity.

Role of Part 4988883 V-Ribbed Belt in Engine Systems

The 4988883 V-Ribbed Belt is an essential component in the efficient operation of various engine systems. It is primarily responsible for transmitting power from the engine’s crankshaft to multiple auxiliary components, ensuring they function in unison.

Drive Mechanism

In the drive mechanism, the V-Ribbed Belt engages with the crankshaft pulley. This engagement allows the belt to transfer rotational force generated by the engine to other components. The ribbed design of the belt enhances grip and reduces slippage, providing a stable and consistent power transfer.

Water Pump

The water pump is a vital component in the engine’s cooling system. The V-Ribbed Belt drives the water pump, enabling it to circulate coolant through the engine block and radiator. This circulation helps maintain optimal engine temperature, preventing overheating and ensuring efficient operation.

Water Pump Drive

The water pump drive is directly connected to the water pump via the V-Ribbed Belt. As the belt rotates, it spins the water pump impeller, which in turn moves the coolant. This drive system is designed to handle the continuous operation required to keep the engine cool under various operating conditions.

Conclusion

By understanding the interplay between the V-Ribbed Belt and these components, engineers and mechanics can better appreciate the importance of proper belt maintenance and timely replacements to ensure the longevity and performance of the engine system.