4933075
V Ribbed Belt
Cummins®

Introduction

The 4933075 V-Ribbed Belt is a component manufactured by Cummins, a well-established name in the commercial truck industry. This belt is specifically designed for use in commercial trucks, where it plays a significant role in the vehicle’s mechanical systems.

Basic Concepts of V-Ribbed Belts

V-Ribbed Belts are a type of drive belt characterized by their trapezoidal cross-section, which allows them to run in matching grooves on pulleys. These belts transmit power from the engine to various components such as the alternator, water pump, and air conditioning compressor. In heavy-duty trucks, V-Ribbed Belts are preferred for their efficiency in power transmission and their ability to handle high loads ¹.

Purpose of the 4933075 V-Ribbed Belt

The 4933075 V-Ribbed Belt is integral to the operation of a truck. It drives multiple components including the alternator, which charges the battery, the water pump, which circulates coolant through the engine, and other auxiliary systems. By ensuring these components receive the necessary power, the belt supports the overall functionality and performance of the truck ².

Key Features

The 4933075 V-Ribbed Belt features a robust design that includes multiple ribs for enhanced grip and power transmission. It is constructed from high-quality materials that offer resistance to wear, heat, and chemicals. The belt’s unique attributes, such as its elasticity and tensile strength, contribute to its performance and durability in demanding truck applications ³.

Benefits

Utilizing the 4933075 V-Ribbed Belt can lead to improved efficiency and reliability in truck operations. Its design allows for smoother power transmission, which can contribute to fuel efficiency. Additionally, the durability of the belt can reduce the frequency of replacements, offering cost-saving advantages for fleet operators.

Installation and Compatibility

Proper installation of the 4933075 V-Ribbed Belt is crucial for its performance and longevity. Cummins provides specific guidelines for installation, which should be followed to ensure the belt is correctly tensioned and aligned. The belt is compatible with a range of truck models and engine types, details of which can be found in Cummins’ documentation.

Maintenance and Troubleshooting

Regular maintenance of the 4933075 V-Ribbed Belt is important to ensure its longevity and optimal performance. This includes periodic checks for wear, proper tension, and alignment. Common issues such as slippage or cracking can often be addressed through proper maintenance practices. Troubleshooting tips and recommended solutions can be found in Cummins’ maintenance guides.

Performance Under Various Conditions

The 4933075 V-Ribbed Belt is designed to perform under a variety of operating conditions. It can withstand extreme temperatures, high loads, and varying speeds, making it suitable for the demanding environments in which commercial trucks often operate.

Comparison with Other Belt Types

When compared to other types of belts such as flat belts or timing belts, the 4933075 V-Ribbed Belt offers distinct advantages in heavy-duty truck applications. Its design allows for more efficient power transmission and better grip, which can contribute to improved performance and reliability.

Cummins: A Brief Overview

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 is known for its commitment to quality and innovation in engine and component manufacturing. The company’s extensive product range and reputation in the commercial truck industry underscore its dedication to providing reliable and efficient solutions for its customers.

V-Ribbed Belt 4933075 Compatibility with Cummins Engines

The V-Ribbed Belt part number 4933075, manufactured by Cummins, is designed to fit a variety of Cummins engines. This belt is crucial for the proper operation of engine accessories, ensuring that components such as the alternator, water pump, and air conditioning compressor function correctly. Below is a detailed overview of the engines with which this belt is compatible:

D4.0 CM2620 D103B, F3.8 CM2350 F120B, F3.8 CM2620 F137B, F4.5 CM2620 F139B

These engines, which include the D4.0 CM2620 D103B, F3.8 CM2350 F120B, F3.8 CM2620 F137B, and F4.5 CM2620 F139B, are part of the smaller to mid-range engine family. The V-Ribbed Belt 4933075 is engineered to fit these engines, providing a reliable connection between the engine’s crankshaft and the various accessories. This ensures efficient power transfer and helps maintain the operational integrity of the engine’s auxiliary systems.

ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 G CM2180 B118

The ISB6.7 series engines, including the ISB6.7 CM2250, ISB6.7 CM2350 B101, and ISB6.7 G CM2180 B118, are known for their robust performance and reliability. The V-Ribbed Belt 4933075 is compatible with these engines, ensuring that the belt’s design and material can handle the higher power output and torque demands of these engines. This compatibility is crucial for maintaining the efficiency of the engine’s accessory drive system.

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

The ISC and ISL series engines, such as the ISC CM2150, ISC8.3 CM2250, ISL CM2150, and ISL9 CM2250, are designed for heavy-duty applications. The V-Ribbed Belt 4933075 is engineered to fit these engines, providing the necessary durability and strength to withstand the demanding conditions of heavy-duty operations. This belt ensures that the engine’s accessories remain powered and operational, contributing to the overall reliability and performance of the engine.

ISF3.8 CM2220 AN, ISF3.8 CM2220 F103, ISF3.8 CM2350 F109, ISF4.5 CM2220 F123

The ISF series engines, including the ISF3.8 CM2220 AN, ISF3.8 CM2220 F103, ISF3.8 CM2350 F109, and ISF4.5 CM2220 F123, are designed for a range of applications, from light-duty to medium-duty. The V-Ribbed Belt 4933075 is compatible with these engines, ensuring that the belt can handle the varying power demands and operational conditions. This compatibility is essential for maintaining the efficiency and reliability of the engine’s accessory systems.

QSF3.8 CM2880 F112

The QSF3.8 CM2880 F112 engine is part of the smaller engine family, designed for specific applications. The V-Ribbed Belt 4933075 is engineered to fit this engine, providing the necessary durability and strength to ensure the efficient operation of the engine’s accessories. This compatibility is crucial for maintaining the performance and reliability of the engine in its intended applications.

Role of Part 4933075 V-Ribbed Belt in Engine Systems

The V-Ribbed Belt, specifically part 4933075, is an essential component in the synchronization and operation of various engine systems. It is primarily responsible for transmitting power from the engine’s crankshaft to multiple auxiliary components, ensuring they function cohesively and efficiently.

Power Transmission to Auxiliary Components

1. Water Pump Drive: The V-Ribbed Belt is integral in driving the water pump. By transferring rotational force from the crankshaft, it ensures the water pump circulates coolant through the engine. This circulation is vital for maintaining optimal engine temperature and preventing overheating.
2. Front Drive: In systems where a front-mounted accessory drive is present, the V-Ribbed Belt facilitates the transfer of power to this drive. This allows for the operation of components such as the alternator, power steering pump, and air conditioning compressor, all of which are essential for the vehicle’s performance and driver comfort.
3. Belt Drive System: The V-Ribbed Belt operates within a belt drive system, which includes pulleys and tensioners. This system ensures that the belt maintains proper tension and alignment, which is necessary for efficient power transmission and longevity of the belt itself.

Coordination of Engine Systems

The V-Ribbed Belt’s role extends beyond simple power transmission. It coordinates the operation of multiple engine systems by ensuring that each driven component receives the necessary power at the correct time. This coordination is essential for the harmonious operation of the engine and its auxiliary systems.

Conclusion

In summary, the 4933075 V-Ribbed Belt is a fundamental component in the engine’s drive system, facilitating the efficient operation of the water pump, front drive, and other auxiliary components through reliable power transmission and system coordination. Its robust design, compatibility with a range of Cummins engines, and the benefits it offers in terms of efficiency and reliability make it a critical part for commercial truck operations.