4938307
Clutch Pressure Plate
Cummins®

The 4938307 Clutch Pressure Plate, a component manufactured by Cummins, plays a significant role in the operation of heavy-duty trucks, facilitating the efficient transfer of power from the engine to the transmission.

Basic Concepts of Clutch Pressure Plates

A clutch pressure plate is a critical component of the clutch system in a truck. It comprises the pressure plate, clutch disc, and release bearing. The pressure plate applies consistent pressure to the clutch disc, enabling the engagement or disengagement of the transmission from the engine. This mechanism ensures smooth gear changes and efficient power transfer ¹.

Role of the 4938307 Clutch Pressure Plate in Truck Operation

The 4938307 Clutch Pressure Plate operates in conjunction with other clutch components to ensure seamless engagement and disengagement of the clutch. When the clutch pedal is pressed, the pressure plate moves away from the clutch disc, allowing the driver to change gears. Upon releasing the pedal, the pressure plate applies force to the clutch disc, re-engaging the transmission with the engine ².

Key Features of the 4938307 Clutch Pressure Plate

This Cummins part is designed with specific characteristics suitable for heavy-duty applications. It is constructed from durable materials capable of withstanding high stresses and temperatures associated with heavy-duty truck operations. The design includes features that enhance performance and longevity, such as precision-machined surfaces and high-quality friction materials ³.

Benefits of Using the 4938307 Clutch Pressure Plate

The 4938307 Clutch Pressure Plate offers several advantages. Its robust construction contributes to durability, allowing it to perform reliably under demanding conditions. The precise engineering of the plate enhances efficiency, ensuring smooth and consistent clutch operation. Additionally, the high-quality materials used in its construction contribute to improved performance and longevity.

Installation and Integration

Proper installation of the 4938307 Clutch Pressure Plate is crucial for its effective operation. It should be integrated within the truck’s clutch system according to the manufacturer’s guidelines. This includes ensuring that all components are correctly aligned and that the pressure plate is securely fastened. Attention to detail during installation helps prevent issues and ensures optimal performance.

Maintenance and Troubleshooting

Routine maintenance practices are recommended to ensure the longevity and optimal performance of the 4938307 Clutch Pressure Plate. This includes regular inspections for wear and damage, as well as cleaning and lubrication of moving parts. Troubleshooting tips may involve checking for proper alignment, ensuring secure fastening, and addressing any unusual noises or vibrations that may indicate a problem.

Common Issues and Solutions

Common problems associated with clutch pressure plates may include wear, slippage, or difficulty in engaging gears. Solutions or adjustments may involve inspecting and replacing worn components, ensuring proper alignment, and addressing any issues with the clutch pedal or hydraulic system. Regular maintenance and prompt attention to any issues can help prevent more serious problems.

Performance Under Various Conditions

The 4938307 Clutch Pressure Plate is designed to perform under a range of driving conditions and loads. Its durable construction and precise engineering allow it to handle the stresses and temperatures associated with heavy-duty truck operations. However, extreme conditions or heavy loads may require more frequent maintenance or adjustments to ensure optimal performance.

Cummins: Manufacturer Overview

Cummins is a reputable manufacturer in the automotive industry, known for its wide range of products and commitment to quality. The company has a long history of innovation and excellence, producing reliable and high-performance components for various applications. Cummins’ reputation is built on its dedication to customer satisfaction and its ongoing efforts to improve and enhance its products.

Compatibility of Clutch Pressure Plate Part 4938307 with Cummins Engines

The Clutch Pressure Plate part number 4938307, manufactured by Cummins, is designed to fit a range of Cummins engines. This part is integral to the clutch system, ensuring proper engagement and disengagement of the clutch mechanism. Here is a detailed description of its compatibility with various Cummins engines:

4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines are part of the Cummins B Series engine family. These engines are known for their robust design and reliability, often used in heavy-duty applications. The Clutch Pressure Plate part 4938307 is specifically engineered to fit these engines, ensuring a secure and efficient clutch operation. This compatibility is crucial for maintaining the performance and longevity of the engine.

B5.9 CM2670 B166C Engine

The B5.9 CM2670 B166C engine is another variant within the Cummins B Series. This engine is designed for applications requiring high torque and durability. The Clutch Pressure Plate part 4938307 is compatible with this engine, providing the necessary pressure and friction to ensure smooth clutch operation. This compatibility is essential for the engine’s performance in demanding conditions.

QSB3.9 CM2880 B138 and QSB5.9 CM2880 B139 Engines

The QSB3.9 CM2880 B138 and QSB5.9 CM2880 B139 engines are part of the Cummins QSB Series. These engines are known for their versatility and efficiency, often used in a variety of applications from agricultural to industrial. The Clutch Pressure Plate part 4938307 is designed to fit these engines, ensuring optimal clutch performance. This compatibility is vital for maintaining the engine’s efficiency and reliability across different applications.

Role of Part 4938307 Clutch Pressure Plate in Engine Systems

The 4938307 Clutch Pressure Plate is a critical component in the operation of the clutch system, particularly in rear-wheel drive configurations. When the driver depresses the clutch pedal, the pressure plate is disengaged from the friction disc, allowing the driver to change gears without grinding or causing damage to the transmission.

In the clutch assembly, the pressure plate works in conjunction with the clutch disc and the flywheel. The pressure plate is spring-loaded to maintain constant pressure on the clutch disc, ensuring a smooth transfer of power from the engine to the transmission.

When the clutch pedal is released, the pressure plate re-engages with the friction disc, transmitting engine torque to the transmission input shaft. This action is vital for the seamless operation of the vehicle, especially during gear changes.

In rear-wheel drive systems, the pressure plate’s role is particularly significant as it must handle the torque generated by the engine and transfer it efficiently to the rear wheels. The design and material of the pressure plate are engineered to withstand high levels of stress and heat, ensuring durability and reliable performance over time.

The interaction between the pressure plate, clutch disc, and flywheel is a finely tuned process that requires precise engineering and manufacturing. The pressure plate must be able to engage and disengage smoothly, without causing excessive wear on the clutch disc or flywheel.

Overall, the 4938307 Clutch Pressure Plate plays a key role in the efficient and reliable operation of the clutch system, particularly in rear-wheel drive vehicles. Its proper function ensures that power is transmitted smoothly from the engine to the transmission, allowing for seamless gear changes and optimal vehicle performance.

Conclusion

The 4938307 Clutch Pressure Plate is a vital component in the operation of heavy-duty trucks, ensuring efficient power transfer and smooth gear changes. Its robust construction, precise engineering, and compatibility with various Cummins engines make it a reliable choice for demanding applications. Proper installation, maintenance, and attention to common issues are essential for ensuring the longevity and optimal performance of this part.