3004749
V Belt
Cummins®

Introduction

The Cummins 3004749 V Belt is a component designed for use in commercial trucks. It serves a significant role in the operation of these vehicles by facilitating the transfer of power between various engine components. This V Belt is integral to the efficient functioning of the truck’s auxiliary systems, ensuring that critical components receive the necessary power to operate effectively ¹.

Basic Concepts of V Belts

V belts are a type of power transmission belt characterized by their V-shaped cross-section. This design allows them to fit snugly into matching grooves on pulleys, enhancing grip and reducing slippage. V belts are commonly used in automotive and industrial applications to transmit power from the engine to various components such as alternators, water pumps, and air conditioning compressors. The V-shaped profile provides several advantages, including increased frictional contact with the pulley, which translates to more efficient power transmission and better performance under load ².

Role of the 3004749 V Belt in Truck Operation

The Cummins 3004749 V Belt plays a specific role in the operation of a truck by connecting the engine to auxiliary components such as the alternator, water pump, and other driven accessories. It ensures that these components receive the necessary power to function correctly. By maintaining a consistent drive between the engine and these accessories, the V Belt contributes to the overall reliability and performance of the truck ³.

Key Features of the 3004749 V Belt

The Cummins 3004749 V Belt is engineered with several key features that enhance its performance and durability. It is constructed from high-quality materials that provide resistance to wear and tear, ensuring longevity. The belt’s design includes enhancements such as a reinforced core and optimized tensioning properties, which improve its efficiency and reliability. These features contribute to the belt’s ability to withstand the demanding conditions encountered in commercial truck operations.

Benefits of Using the 3004749 V Belt

Utilizing the Cummins 3004749 V Belt offers several benefits. It provides improved efficiency in power transmission, ensuring that the truck’s auxiliary systems operate smoothly and reliably. The belt’s durable construction and design enhancements contribute to its longevity, reducing the frequency of replacements and maintenance. Additionally, this Cummins part is compatible with specific truck models, ensuring a precise fit and optimal performance.

Installation Considerations

When installing the Cummins 3004749 V Belt, it is important to follow guidelines and best practices to ensure optimal performance. Proper tensioning is crucial to prevent slippage and ensure efficient power transmission. Alignment of the belt with the pulleys must be accurate to avoid unnecessary wear and potential damage. Careful attention to these details during installation will contribute to the belt’s effectiveness and longevity.

Maintenance and Troubleshooting

To extend the lifespan of the Cummins 3004749 V Belt, regular maintenance is recommended. This includes periodic inspections for signs of wear, proper tensioning, and alignment checks. Common issues that may arise include slippage, cracking, or fraying of the belt. Troubleshooting steps may involve adjusting tension, realigning the belt, or replacing it if significant wear is detected. Adhering to a maintenance schedule will help prevent unexpected failures and ensure continued reliable operation.

Performance in Various Conditions

The Cummins 3004749 V Belt is designed to perform under a range of operating conditions. It can withstand varying temperatures, loads, and speeds, making it suitable for the diverse environments in which commercial trucks operate. Its robust construction and design features allow it to maintain efficiency and reliability even under challenging conditions, contributing to the overall performance and durability of the truck.

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 committed to quality, innovation, and customer satisfaction. The company offers a wide range of products designed to meet the needs of various industries, including automotive, construction, and agriculture. Cummins’ dedication to excellence is evident in its product offerings, which are engineered to deliver reliable performance and efficiency.

V Belt 3004749 Compatibility with Cummins Engines

The V Belt part number 3004749, manufactured by Cummins, is designed to fit seamlessly with several Cummins engine models. This belt is engineered to provide reliable power transmission and is compatible with the following engines:

V903 and VTA903

The V Belt 3004749 is specifically engineered to fit the V903 and VTA903 engines. These engines are known for their robust performance and are often utilized in heavy-duty applications. The belt’s design ensures it can handle the high torque and power output of these engines, maintaining efficiency and longevity.

CM2250 and V105

Similarly, the V Belt 3004749 is also compatible with the CM2250 and V105 engines. These engines are typically used in various industrial and commercial applications, where reliability and performance are critical. The belt’s precise dimensions and material composition make it an ideal choice for these engines, ensuring smooth operation and minimal maintenance.

Installation and Usage

When installing the V Belt 3004749 on any of the mentioned engines, it is crucial to follow the manufacturer’s guidelines to ensure proper alignment and tension. This will maximize the belt’s lifespan and performance, providing consistent power transmission and reducing the risk of mechanical failures.

Role of Part 3004749 V Belt in Engine Systems

The part 3004749 V Belt is integral to the efficient operation of various engine components. It facilitates the transfer of power from the engine to auxiliary components, ensuring they function in harmony.

Connection to Auxiliary Components

The V Belt serves as the primary connection between the engine and several auxiliary components. It transmits rotational force from the engine’s crankshaft to these components, enabling them to operate effectively.

Driving the Water Pump

One of the primary roles of the V Belt is to drive the water pump. The water pump circulates coolant through the engine, maintaining optimal operating temperatures. The V Belt ensures consistent rotation of the water pump, which is essential for effective coolant flow.

Ensuring Proper Water Inlet Function

The efficiency of the water inlet is directly influenced by the performance of the V Belt. As the V Belt drives the water pump, it ensures that coolant is drawn into the engine system at the correct rate. This consistent flow is vital for preventing overheating and maintaining engine efficiency.

Integration with the Cooling System

The V Belt’s role extends to the overall cooling system. By powering the water pump, it helps regulate the temperature of the engine. This regulation is achieved through the circulation of coolant, which absorbs heat from the engine and dissipates it through the radiator.

Supporting Engine Performance

The reliable operation of the V Belt is fundamental to the engine’s performance. It ensures that all connected components, including the water pump and water inlet, function seamlessly. This interdependence highlights the V Belt’s significance in maintaining engine health and efficiency.

Conclusion

The Cummins 3004749 V Belt is a critical component in the operation of commercial trucks, ensuring efficient power transmission to auxiliary systems. Its robust design, compatibility with specific Cummins engines, and ease of installation make it a reliable choice for maintaining truck performance. Regular maintenance and proper installation are key to maximizing the lifespan and effectiveness of this part.