4937401
Clutch Disc
Cummins®

The Cummins 4937401 Clutch Disc is a component designed for use in commercial trucks, playing a significant role in the vehicle’s operation. This part is engineered to facilitate the smooth transfer of power from the engine to the transmission, ensuring efficient and reliable performance in demanding conditions.

Basic Concepts of Clutch Discs

A clutch disc is a key component within the clutch system of a truck. It consists of several parts, including friction materials, a metal backing plate, and springs. The clutch disc operates between the pressure plate and the flywheel. When the clutch pedal is depressed, the pressure plate releases the clutch disc, disconnecting the engine from the transmission. Releasing the pedal re-engages the clutch, allowing power to be transmitted from the engine to the transmission and ultimately to the wheels ¹.

Role of the 4937401 Clutch Disc in Truck Operation

This Cummins part is specifically designed to enhance the operation of commercial trucks. It plays a role in the efficient transfer of power from the engine to the transmission. By engaging and disengaging the clutch, it allows for smooth gear changes and maintains the flow of power to the wheels, which is vital for the truck’s performance and drivability.

Key Features of the 4937401 Clutch Disc

The 4937401 features a design that includes high-quality friction materials and a robust metal backing plate. These materials are chosen for their ability to withstand high levels of stress and heat, ensuring durability and reliable performance. The disc’s design also incorporates features that enhance its engagement and disengagement capabilities, contributing to smoother operation and longer service life.

Benefits of Using the 4937401 Clutch Disc

Using this part offers several benefits. Its design and materials contribute to improved performance and durability, ensuring reliable power transmission under various operating conditions. The disc’s efficiency in power transfer also contributes to the overall efficiency of the truck, potentially leading to better fuel economy and reduced wear on other components.

Installation Process

Installing the 4937401 requires careful attention to ensure optimal performance and longevity. The process involves removing the old clutch disc, inspecting the flywheel and pressure plate for wear, and then installing the new disc. It is important to follow the manufacturer’s guidelines for torque specifications and alignment to ensure the clutch operates correctly.

Common Issues and Troubleshooting

Common issues with the 4937401 may include slipping, chattering, or difficulty engaging. These issues can often be traced to wear and tear, improper installation, or other mechanical problems. Troubleshooting may involve inspecting the clutch disc for wear, checking the alignment and condition of the pressure plate and flywheel, and ensuring the clutch system is properly adjusted.

Maintenance Tips

Regular maintenance is key to ensuring the longevity and optimal performance of the 4937401. This includes periodic inspections for wear and damage, cleaning the clutch components to remove any debris, and following the manufacturer’s recommendations for replacement intervals. Proper maintenance helps prevent issues and ensures the clutch system operates efficiently.

Compatibility of Clutch Disc Part 4937401 with Cummins Engines

The Clutch Disc part number 4937401, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is integral to the proper functioning of the engine’s clutch system, ensuring smooth and efficient power transmission.

4B3.9 Engine

The 4B3.9 engine is one of the models that can utilize the Clutch Disc part 4937401. This engine is known for its robust design and reliability, making it a popular choice in various applications. The clutch disc in this engine plays a role in engaging and disengaging the clutch, allowing for smooth gear changes and optimal power delivery.

ISBE CM800 Engine

Similarly, the ISBE CM800 engine is another model that benefits from the Clutch Disc part 4937401. This engine is renowned for its high performance and durability, often used in heavy-duty applications. The clutch disc in the ISBE CM800 ensures that the engine can handle significant torque and power demands, providing reliable performance under various conditions.

Grouping of Engines

Both the 4B3.9 and ISBE CM800 engines share a commonality in their requirement for the Clutch Disc part 4937401. This part is engineered to meet the specific needs of these engines, ensuring compatibility and performance. The design of the clutch disc is tailored to handle the unique characteristics of each engine, providing a seamless fit and function.

By using the Clutch Disc part 4937401, owners of these engines can ensure that their clutch systems operate efficiently, reducing the risk of wear and tear and extending the lifespan of the engine components.

Role of Part 4937401 Clutch Disc in Engine Systems

The 4937401 is an integral component within the clutch assembly, facilitating the transfer of power from the engine to the transmission. When the driver engages the clutch pedal, the 4937401 connects the engine’s flywheel to the transmission’s input shaft, enabling smooth gear changes.

In rear-wheel-drive (RWD) vehicles, the 4937401 works in conjunction with the rear differential to transmit engine power to the rear wheels. The clutch disc ensures that power is efficiently distributed, allowing for optimal acceleration and driving performance.

In front-engine, rear-wheel-drive (FR) layouts, the 4937401 plays a role in managing the power flow from the front-mounted engine to the rear wheels. This setup requires the clutch disc to handle varying loads and stresses, ensuring a seamless driving experience.

For all-wheel-drive (AWD) systems, the 4937401 contributes to the power distribution between the front and rear axles. In these complex drivetrains, the clutch disc must operate efficiently to maintain balance and traction across all wheels, enhancing overall vehicle stability and control.

In manual transmission systems, the 4937401 is essential for disengaging the engine from the transmission during gear shifts. This allows the driver to change gears without interrupting the engine’s operation, ensuring a smooth and controlled driving experience.

Overall, the 4937401 is a fundamental component in various engine and drivetrain configurations, playing a role in power transmission and vehicle performance.

Conclusion

The Cummins 4937401 Clutch Disc is a vital component in the operation of commercial trucks, ensuring efficient and reliable power transmission from the engine to the transmission. Its high-quality design and materials contribute to improved performance, durability, and fuel efficiency. Regular maintenance and proper installation are key to maximizing the lifespan and performance of this part. Compatibility with specific Cummins engine models, such as the 4B3.9 and ISBE CM800, ensures that the clutch disc meets the unique demands of each engine, providing seamless operation and enhanced vehicle performance.