4933068
V Ribbed Belt
Cummins®

The Cummins 4933068 V-Ribbed Belt is a component designed for use in heavy-duty trucks. It serves a significant role in the operation of these vehicles by facilitating the transfer of power from the engine to various auxiliary components. Understanding its purpose and functionality is key to maintaining the efficiency and reliability of heavy-duty trucks.

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, ensuring efficient power transmission. Unlike flat belts, which rely on friction alone, V-Ribbed Belts utilize both friction and the mechanical advantage provided by their shape. This makes them more efficient for driving multiple components within an engine system ¹.

Purpose and Role of the 4933068 V-Ribbed Belt

This Cummins part plays a role in the operation of a truck by driving several engine components. It is responsible for powering the alternator, which charges the battery and supplies electricity to the truck’s electrical systems. Additionally, it drives the water pump, which circulates coolant through the engine to manage temperature. The belt also powers the power steering pump, facilitating easier steering by providing hydraulic assistance.

Key Features of the 4933068 V-Ribbed Belt

This Cummins part is constructed from high-quality materials that enhance its performance and durability. Its design includes multiple ribs that increase the contact surface area with pulleys, improving power transmission efficiency. The belt is also engineered to withstand the high temperatures and dynamic loads typical in heavy-duty truck applications.

Benefits of Using the 4933068 V-Ribbed Belt

Using this Cummins part offers several advantages. Its efficient design contributes to improved engine performance and fuel efficiency. The belt’s durability reduces the frequency of replacements and maintenance, leading to lower overall costs. Additionally, its reliable operation enhances the dependability of the truck’s engine system.

Installation and Compatibility

Proper installation of this Cummins part is crucial for its effective operation. It should be installed with the correct tension to ensure efficient power transmission and to prevent premature wear. Compatibility with various truck models and engine types is an important consideration, ensuring that the belt fits correctly and functions as intended within the engine system.

Troubleshooting Common Issues

Common issues with V-Ribbed Belts include slippage, wear, and noise. Slippage can occur if the belt is not properly tensioned or if it has become glazed. Wear may indicate that the belt is nearing the end of its service life. Noise can be a sign of misalignment or damage. Addressing these issues promptly can prevent more serious problems and ensure the continued efficient operation of the truck ².

Maintenance Tips

To ensure optimal performance and longevity of this Cummins part, regular maintenance is recommended. This includes periodic inspection for signs of wear or damage, adjusting the tension as necessary, and replacing the belt according to the manufacturer’s guidelines or when signs of significant wear are observed.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the automotive industry, particularly in the heavy-duty truck sector, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and technological advancements contribute to its leadership position in the market.

V-Ribbed Belt 4933068 Compatibility with Cummins Engines

The V-Ribbed Belt part number 4933068, manufactured by Cummins, is designed to fit a variety of Cummins engines. This belt is crucial 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.

Compatible Engines

• F3.8 CM2350 F128C
• ISC CM2150
• ISC8.3 CM2250
• ISF2.8 CM2220 F117
• ISF2.8 CM2220 F129
• ISL CM2150
• ISL9 CM2250
• QSF3.8 CM2350 F107
• QSF3.8 CM2880 F112

Grouping of Compatible Engines

The V-Ribbed Belt 4933068 is compatible with a range of engines that share common design elements and specifications. Here is a grouping of the engines based on their similarities:

• F3.8 CM2350 Series

  • F3.8 CM2350 F128C
  • QSF3.8 CM2350 F107
  • QSF3.8 CM2880 F112

• ISF2.8 CM2220 Series

  • ISF2.8 CM2220 F117
  • ISF2.8 CM2220 F129

• ISC and ISL Series

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

Each of these engines, while differing in specific configurations and applications, share the need for a reliable V-Ribbed Belt to maintain the integrity of their accessory drive systems. The 4933068 part number ensures compatibility across these models, providing a standardized solution for maintaining engine performance and longevity.

Role of Part 4933068 V-Ribbed Belt in Engine Systems

The V-Ribbed Belt, identified as part 4933068, is integral to the efficient operation of several engine components. Its primary function is to transmit power from the engine’s crankshaft to various auxiliary components.

Drive Mechanism

The V-Ribbed Belt is essential in the drive mechanism of the engine. It ensures that power generated by the crankshaft is effectively transferred to other components. This transfer is vital for the synchronized operation of the engine’s auxiliary systems.

Water Pump Operation

A key application of the V-Ribbed Belt is in driving the water pump. The water pump is responsible for circulating coolant through the engine to maintain optimal operating temperatures. The V-Ribbed Belt provides the necessary drive force to the water pump, ensuring consistent coolant flow and preventing engine overheating.

Water Pump Drive Integration

The integration of the V-Ribbed Belt with the water pump drive is a testament to its versatility and importance. By connecting the crankshaft to the water pump, the belt facilitates the continuous operation of the cooling system. This connection is designed to withstand the dynamic forces and varying loads encountered during engine operation, ensuring reliable performance.

Conclusion

In summary, the V-Ribbed Belt (part 4933068) plays a significant role in the drive mechanism and the operation of the water pump within engine systems. Its reliable performance is essential for the efficient and effective functioning of these components. Regular maintenance and proper installation are crucial to ensure the longevity and efficiency of this Cummins part.