4946197
V Ribbed Belt
Cummins®

The 4946197 V Ribbed Belt, a component manufactured by Cummins for use in commercial trucks, is essential for the efficient operation of various engine components. This article provides an overview of the V Ribbed Belt, its function, key features, benefits, and maintenance suggestions.

Basic Concepts of V Ribbed Belts

V Ribbed Belts are characterized by their trapezoidal cross-section, designed to transfer power between two or more pulleys. The V-shaped ribs increase the surface area in contact with the pulleys, enhancing grip and efficiency. These belts are commonly used in automotive applications to drive various engine accessories ¹.

Function of the 4946197 V Ribbed Belt

The 4946197 V Ribbed Belt transfers power from the engine to components such as the alternator, water pump, power steering pump, and air conditioning compressor. This ensures that these components function correctly, contributing to the overall performance and reliability of the truck ².

Key Features

• Constructed from durable materials to withstand high tension and operating conditions.
• Designed with multiple V-shaped ribs to enhance power transmission efficiency.
• Engineered to reduce slippage and improve performance under load.
• Compatible with Cummins engines and other specified applications.

Benefits

• Improved power transmission efficiency leads to better performance of driven components.
• Enhanced durability and resistance to wear, reducing the frequency of replacements.
• Reduced noise and vibration during operation, contributing to a smoother driving experience.
• Designed to operate effectively in various environmental conditions, ensuring reliability in different scenarios ³.

Troubleshooting and Maintenance

• Regular inspection for signs of wear, cracking, or glazing is recommended to ensure the belt remains in good condition.
• Proper tensioning of the belt is crucial to prevent slippage and ensure efficient power transmission.
• Replacement should be performed according to the manufacturer’s recommendations or when signs of wear are detected to avoid component failure.
• Ensure that pulleys and other components in the belt drive system are in good condition to maintain overall system efficiency ⁴.

Compatibility with Cummins Engines

This Cummins part is designed to fit seamlessly with the QSB5.9 CM850 and QSB6.7 M CM2250 engines. The belt ensures efficient power transmission from the engine to various auxiliary components, such as the alternator, air conditioning compressor, and water pump.

For the QSB5.9 CM850 engine, the belt’s precise dimensions and robust construction allow it to maintain optimal tension and performance, ensuring reliable operation under varying load conditions. Similarly, in the QSB6.7 M CM2250 engine, the belt’s design accommodates the specific belt routing and tensioning mechanisms, providing consistent power delivery to the engine’s peripherals.

Both engines benefit from the belt’s high-quality materials, which offer durability and resistance to wear, contributing to the overall longevity and efficiency of the engine system. The belt’s compatibility with these engines underscores Cummins’ commitment to providing high-performance parts that enhance engine reliability and performance.

Role of 4946197 in Engine Systems

The V Ribbed Belt, identified by part number 4946197, is integral to the efficient operation of various engine components. This belt is responsible for transmitting power from the engine’s crankshaft to multiple auxiliary components, ensuring they function correctly.

Power Transmission to the Pump

One of the primary roles of the V Ribbed Belt is to drive the engine’s pump. The pump is essential for circulating fluids such as coolant and lubricants throughout the engine. The V Ribbed Belt ensures a consistent and reliable transfer of power, allowing the pump to maintain optimal fluid flow. This consistent power transmission is vital for the pump’s ability to deliver the necessary pressure and volume of fluid to protect engine components from overheating and wear.

Ensuring Raw Water Circulation

In marine or cooling applications, the V Ribbed Belt also plays a significant role in driving the raw water pump. This pump is responsible for drawing in water from the surrounding environment to cool the engine. The V Ribbed Belt ensures that the raw water pump operates efficiently, providing a steady supply of cool water to the engine’s cooling system. This helps in maintaining the engine’s temperature within safe operating limits, preventing overheating and potential damage.

Integration with Other Components

Beyond the pump and raw water systems, the V Ribbed Belt is often connected to other engine components such as the alternator, air conditioning compressor, and power steering pump. Each of these components relies on the consistent power transmission provided by the V Ribbed Belt to function correctly. The belt’s design allows it to handle multiple drives simultaneously, making it a versatile and essential part of the engine’s auxiliary system.

Conclusion

In summary, the V Ribbed Belt (part 4946197) is a key component in the engine’s auxiliary system, ensuring that critical components like the pump and raw water system receive the power they need to operate efficiently. Its role in power transmission is fundamental to the overall performance and reliability of the engine.