4933076
V Ribbed Belt
Cummins®

Introduction

The Cummins 4933076 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 demanding requirements of heavy-duty applications, providing reliable performance under various operating conditions.

Basic Concepts of V Ribbed Belts

V Ribbed Belts are characterized by their trapezoidal cross-section, which allows them to engage more effectively with pulleys compared to flat belts. This design enhances their ability to transmit power efficiently while reducing the risk of slippage ¹. V Ribbed Belts are constructed from multiple layers of rubber and fabric, which provide the necessary flexibility and strength. They function by wrapping around and engaging with pulleys, transferring rotational force to drive components such as alternators, water pumps, and air conditioning compressors. Unlike flat belts, V Ribbed Belts offer improved grip and durability, making them suitable for high-performance applications ².

Role of the 4933076 V Ribbed Belt in Truck Operation

The Cummins 4933076 V Ribbed Belt plays a significant role in the operation of a truck by driving essential components that contribute to the vehicle’s performance. It is responsible for powering the alternator, which charges the battery and supplies electrical power to the truck’s systems. Additionally, it drives the water pump, which circulates coolant through the engine to maintain optimal operating temperatures. The belt also powers the air conditioning compressor, ensuring the comfort of the driver and passengers. By efficiently transferring power to these components, the 4933076 V Ribbed Belt helps maintain the truck’s overall performance and reliability.

Key Features

The Cummins 4933076 V Ribbed Belt is designed with several key features that enhance its performance and durability. It is constructed from high-quality materials, including a robust rubber compound and durable fabric layers, which provide excellent resistance to wear and tear. The belt’s design includes multiple ribs, which increase the contact area with pulleys, improving power transmission efficiency. Additionally, it features a unique tensioning system that maintains optimal belt tension, reducing the risk of slippage and ensuring consistent performance. These features contribute to the belt’s longevity and reliability in demanding applications.

Benefits

The Cummins 4933076 V Ribbed Belt offers several benefits that contribute to improved efficiency, durability, and reliability in truck operations. Its high-quality construction ensures long-lasting performance, reducing the need for frequent replacements. The efficient power transmission provided by the belt’s design helps maintain the truck’s performance, ensuring that auxiliary components operate smoothly. Additionally, the belt’s robust construction and tensioning system enhance its reliability, providing peace of mind to truck operators and fleet managers.

Troubleshooting and Maintenance

Common issues associated with V Ribbed Belts include wear, cracking, and slippage. To troubleshoot these issues, it is important to regularly inspect the belt for signs of damage or excessive wear. If the belt appears worn or cracked, it should be replaced to prevent further damage to the truck’s components. Additionally, ensuring that the belt is properly tensioned can help prevent slippage and maintain efficient power transmission. Regular maintenance practices, such as cleaning the belt and pulleys and lubricating the pulley bearings, can also contribute to the longevity and optimal performance of the 4933076 V Ribbed Belt ³.

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 a strong reputation in the commercial truck industry for producing high-quality, reliable components. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications. Cummins is committed to innovation and sustainability, continually developing new technologies to improve the performance and efficiency of its products.

Cummins V Ribbed Belt 4933076 Compatibility

The Cummins V Ribbed Belt part number 4933076 is designed to fit a variety of Cummins engines, ensuring efficient power transmission and reliable operation. This belt is engineered to meet the specific requirements of the engines it supports, providing durability and performance across different applications.

Compatible Engines

• B4.5 CM2350 B104
• F3.8 CM2350 F128C
• F4.5 CM2620 F141C
• ISB4.5 CM2350 B104
• ISC8.3 CM2250
• ISF3.8 CM2220 AN
• ISL G CM2180
• ISL9 CM2250
• QSB6.7 CM2250
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117
• QSF3.8 CM2350 F107
• QSF3.8 CM2880 F112

Grouping of Compatible Engines

• CM2350 Series:

  • B4.5 CM2350 B104
  • F3.8 CM2350 F128C
  • QSF3.8 CM2350 F107

• CM2250 Series:

  • ISC8.3 CM2250
  • ISL9 CM2250
  • QSB6.7 CM2250

• CM2220 Series:

  • ISF3.8 CM2220 AN

• CM2180 Series:

  • ISL G CM2180

• CM2620 Series:

  • F4.5 CM2620 F141C

• CM2850 Series:

  • QSB6.7 CM850 (CM2850)

• CM2880 Series:

  • QSB7 CM2880 B117
  • QSF3.8 CM2880 F112

The V Ribbed Belt 4933076 is meticulously designed to ensure a proper fit and optimal performance across these engines, providing a reliable solution for maintaining the efficiency of the power transmission system.

Role of Part 4933076 V Ribbed Belt in Engine Systems

The V Ribbed Belt, identified by part number 4933076, is integral to the operation of several key components within an engine system. Its primary function is to transfer rotational force from the engine’s crankshaft to various auxiliary components, ensuring they operate efficiently and in sync with the engine’s performance.

Front Drive Belt Application

In systems utilizing a front drive belt configuration, the V Ribbed Belt (part 4933076) is responsible for driving multiple components simultaneously. This includes the alternator, power steering pump, and air conditioning compressor. The belt’s ribbed design enhances its grip and durability, allowing it to withstand the varying loads and speeds these components demand. The consistent transfer of power ensures that these systems operate smoothly, contributing to the vehicle’s overall performance and driver comfort.

Water Pump Drive Integration

When it comes to the water pump drive, the V Ribbed Belt plays a significant role in the engine’s cooling system. By connecting the crankshaft to the water pump, it facilitates the circulation of coolant through the engine block and radiator. This process is essential for dissipating heat generated during combustion, thereby maintaining optimal engine temperature. The efficient operation of the water pump, driven by the V Ribbed Belt, is vital for preventing overheating and ensuring the longevity of engine components.

In both applications, the V Ribbed Belt’s design and material are tailored to handle the specific demands of these systems, providing reliable performance under a wide range of operating conditions.

Conclusion

The Cummins 4933076 V Ribbed Belt is a critical component in the efficient operation of commercial trucks. Its design and construction ensure reliable power transmission to essential auxiliary components, contributing to the overall performance and reliability of the vehicle. Regular maintenance and proper tensioning are essential to maximize the lifespan and efficiency of this Cummins part.