4981117
V Ribbed Belt
Cummins®

Introduction

The Cummins 4981117 V Ribbed Belt is a component designed for use in commercial trucks. Its purpose is to transfer power from the engine to various auxiliary components, ensuring the efficient operation of the vehicle. This belt is specifically engineered to meet the demands of heavy-duty applications, providing reliable performance under various operating conditions ¹.

Basic Concepts of V Ribbed Belts

V Ribbed Belts are a type of drive belt characterized by their trapezoidal cross-section. This design allows for a larger contact area with the pulleys, enhancing grip and power transmission efficiency ². V Ribbed Belts function by wrapping around multiple pulleys, transferring rotational force from the engine to components such as the alternator, water pump, and air conditioning compressor. Their role in mechanical systems is to facilitate the operation of these auxiliary components, ensuring the vehicle operates smoothly and efficiently.

Role of the 4981117 V Ribbed Belt in Truck Operation

The Cummins 4981117 V Ribbed Belt plays a specific role in the operation of a truck by connecting the engine to essential auxiliary components. It drives the alternator to generate electrical power, the water pump to circulate coolant through the engine, and the air conditioning compressor to provide climate control. By ensuring these systems receive the necessary power, the belt contributes to the overall functionality and performance of the truck.

Key Features

The Cummins 4981117 V Ribbed Belt is distinguished by several key features. Its material composition typically includes high-strength synthetic materials, providing durability and resistance to wear. The design characteristics of the belt, such as its ribbed profile and reinforced edges, enhance its grip and power transmission capabilities. Additionally, any unique attributes, such as specialized coatings or treatments, may further improve its performance and longevity in demanding applications.

Benefits

The Cummins 4981117 V Ribbed Belt offers several benefits in truck applications. Its design and material composition contribute to improved efficiency in power transmission, reducing energy loss and enhancing overall vehicle performance. The belt’s reliability ensures consistent operation of auxiliary components, minimizing the risk of system failures. Furthermore, its durability and resistance to wear contribute to longer service life, providing value and peace of mind to truck operators.

Troubleshooting and Maintenance

Common issues that may arise with V Ribbed Belts include wear, cracking, and misalignment. Troubleshooting these problems involves inspecting the belt for signs of damage, ensuring proper tension, and checking the alignment of pulleys. Regular maintenance practices, such as periodic inspection and replacement according to manufacturer recommendations, are crucial for ensuring the longevity and optimal performance of the Cummins 4981117 V Ribbed Belt. Proper maintenance not only extends the life of the belt but also contributes to the overall reliability and efficiency of the truck.

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 itself as a trusted name in the automotive and engine manufacturing industry. The company’s product range includes engines for on-highway and off-highway applications, as well as filtration and power generation solutions. Cummins is committed to quality and innovation, continuously striving to meet the evolving needs of its customers through advanced technology and reliable products.

Cummins V Ribbed Belt Part 4981117 Compatibility

The Cummins V Ribbed Belt part number 4981117 is designed to fit seamlessly with several engine models, ensuring optimal performance and longevity. This belt is a critical component in the engine’s accessory drive system, responsible for driving various engine accessories such as the alternator, water pump, and air conditioning compressor.

QSB5.9 CM850 and QSB6.7 M CM2250

For the QSB5.9 CM850 and QSB6.7 M CM2250 engines, the V Ribbed Belt part 4981117 is engineered to provide a precise fit, ensuring efficient power transfer from the engine to the driven accessories. This belt is crafted with high-quality materials to withstand the rigorous demands of these engines, offering durability and reliability in various operating conditions.

The belt’s design allows it to maintain proper tension and alignment, reducing wear and tear on the belt and the engine components it drives. This is crucial for maintaining the performance and longevity of the engine, as well as ensuring that the accessories receive the necessary power to function correctly.

By using the Cummins V Ribbed Belt part 4981117, owners of the QSB5.9 CM850 and QSB6.7 M CM2250 engines can expect reliable operation and reduced maintenance needs, contributing to the overall efficiency and effectiveness of their engines.

Role of Part 4981117 V Ribbed Belt in Engine Systems

The V Ribbed Belt, identified by part number 4981117, is an essential component in the efficient operation of various engine systems. Its primary function is to transfer rotational force from the engine’s crankshaft to multiple auxiliary components, ensuring their synchronized operation.

Drive Mechanism

In the drive mechanism, the V Ribbed Belt is responsible for transmitting power from the crankshaft to the pulleys connected to various engine accessories. This transfer of power is achieved through the belt’s ribbed design, which enhances grip and reduces slippage. The drive mechanism relies on this belt to maintain consistent rotational speed and power delivery to components such as the alternator, power steering pump, and air conditioning compressor.

Water Pump

The water pump is another vital component where the V Ribbed Belt plays a significant role. The belt drives the water pump, which circulates coolant through the engine. This circulation is essential for maintaining optimal engine temperature by dissipating heat generated during combustion. The V Ribbed Belt ensures that the water pump operates at the correct speed, providing adequate coolant flow to prevent overheating and maintain engine efficiency.

Conclusion

In summary, the V Ribbed Belt (part 4981117) is integral to the proper functioning of the drive mechanism and the water pump, contributing to the overall performance and reliability of the engine system. Its design and material composition ensure efficient power transmission, reliability, and durability, making it a critical component for heavy-duty applications in commercial trucks.