4012788
Drive Coupling Flange
Cummins®

The Drive Coupling Flange 4012788, manufactured by Cummins, is a component designed for use in heavy-duty truck operations. Cummins, a well-established name in the automotive industry, is known for its commitment to quality and innovation in component manufacturing. This part plays a role in ensuring the efficient operation of heavy-duty trucks by facilitating the connection between various drivetrain components.

Basic Concepts

Drive coupling flanges are integral to power transmission systems, serving as the interface between different components to ensure smooth and efficient power transfer. In the context of heavy-duty trucks, these flanges are crucial for connecting the engine to the transmission, allowing for the transfer of power generated by the engine to the wheels. The Drive Coupling Flange 4012788 is specifically engineered to meet the demanding requirements of heavy-duty truck applications, ensuring reliable and efficient power transmission under various operating conditions ¹.

Purpose and Function

This Cummins part is designed to connect the engine to the transmission in a heavy-duty truck, playing a role in the efficient transmission of power. By providing a secure and stable connection between these components, the flange ensures that power is transferred smoothly and efficiently, contributing to the overall performance and reliability of the truck’s drivetrain system.

Key Features

The Drive Coupling Flange 4012788 incorporates several key features that enhance its performance and durability. These include a robust material composition designed to withstand the high stresses and loads encountered in heavy-duty truck applications, precision-engineered design elements that ensure a secure and stable connection between components, and engineering specifications that meet or exceed industry standards for quality and performance ².

Benefits

The Drive Coupling Flange 4012788 offers several benefits that contribute to the efficient and reliable operation of heavy-duty trucks. These include improved power transmission efficiency, which enhances the overall performance of the truck, reduced maintenance requirements due to its durable construction and reliable operation, and enhanced overall reliability of the truck’s drivetrain system, ensuring that the truck can operate under a wide range of conditions without experiencing premature failure or downtime.

Installation and Integration

Proper installation and integration of the Drive Coupling Flange 4012788 within the truck’s drivetrain system are crucial for ensuring optimal performance and longevity. It is important to follow manufacturer recommendations for installation, including ensuring compatibility with other components and adhering to specified torque values and alignment procedures. Careful attention to these details will help ensure that the flange operates as intended, contributing to the efficient and reliable operation of the truck ³.

Troubleshooting and Maintenance

Regular maintenance and troubleshooting are important for ensuring the optimal performance and longevity of the Drive Coupling Flange 4012788. Common issues may include misalignment, wear, or damage to the flange or connected components. Routine inspections and maintenance procedures, such as checking for proper alignment, inspecting for signs of wear or damage, and ensuring that all connections are secure and torqued to the manufacturer’s specifications, can help identify and address potential issues before they lead to more serious problems.

Common Failure Modes

Drive coupling flanges, including the Drive Coupling Flange 4012788, may experience common failure modes such as misalignment, wear, or damage due to excessive loads or improper installation. Symptoms of these issues may include unusual noises, vibrations, or a decrease in performance. Identifying the cause of these symptoms and taking appropriate corrective action, such as realigning components, replacing worn or damaged parts, or ensuring proper installation, can help address these issues effectively and restore the flange to proper operation.

Manufacturer Information

Cummins, the manufacturer of the Drive Coupling Flange 4012788, has a long history of providing high-quality automotive components to the industry. Known for their commitment to quality and innovation, Cummins has established a reputation for producing reliable and durable components that meet the demanding requirements of heavy-duty truck applications. Their focus on research and development, combined with a strong commitment to customer satisfaction, ensures that their products, including the Drive Coupling Flange 4012788, are designed to deliver optimal performance and reliability in a variety of operating conditions.

Drive Coupling Flange for Cummins Engines

The Drive Coupling Flange, part number 4012788, is a critical component in the Cummins engine lineup. This part is designed to ensure a secure and efficient connection between the engine and its driven components. Specifically, it is engineered to fit seamlessly with the Cummins engines QSV81G and QSV91G.

Compatibility with Cummins Engines

• QSV81G and QSV91G: These engines, part of the Cummins QSV series, are known for their robust performance and reliability. The Drive Coupling Flange 4012788 is specifically tailored to interface with these engines, ensuring optimal power transfer and minimizing wear and tear.

The flange is designed to withstand the high torque and rotational forces typical of these engines, providing a durable and long-lasting solution. Its precision engineering ensures that it fits perfectly with the engine’s output shaft, facilitating smooth operation and reducing the risk of mechanical failure.

Installation and Maintenance

Proper installation of the Drive Coupling Flange is crucial for maintaining engine performance. Technicians should follow the manufacturer’s guidelines to ensure that the flange is correctly aligned and securely fastened. Regular maintenance checks should be performed to inspect for any signs of wear or damage, ensuring that the flange continues to function as intended.

By using the Drive Coupling Flange 4012788, operators of the QSV81G and QSV91G engines can expect reliable performance and longevity from their equipment.

Role of Part 4012788 Drive Coupling Flange in Engine Systems

The Drive Coupling Flange, identified by part number 4012788, is an integral component in the synchronization and efficient operation of various engine systems. This flange facilitates the connection between the engine’s rotating components and the ancillary systems that regulate and control engine performance.

In the context of the governor system, the Drive Coupling Flange ensures a secure and precise connection between the governor and the engine’s rotating assembly. This connection is essential for the governor to accurately monitor and adjust the engine speed in response to load changes, thereby maintaining optimal performance and efficiency.

Within the electronic control systems, the flange plays a significant role in linking the electronic components to the mechanical parts of the engine. This integration allows for precise control over various engine parameters, such as fuel injection timing and ignition timing, enhancing overall engine responsiveness and efficiency.

The manifold and throttle assembly also benefit from the Drive Coupling Flange. By providing a stable and reliable connection point, the flange ensures that the throttle valve operates smoothly and consistently. This is vital for maintaining the correct air-fuel mixture, which is essential for efficient combustion and power delivery.

Additionally, the flange’s role extends to the throttle valve and associated valves within the engine. It ensures that these components can respond accurately to the demands of the engine control unit (ECU), allowing for fine-tuned adjustments that optimize engine performance under varying conditions.

In summary, the Drive Coupling Flange (part 4012788) is a key component that enhances the integration and performance of the governor, electronic systems, manifold and throttle assembly, throttle valve, and other associated valves within the engine. Its reliable connection capabilities are fundamental to the seamless operation and efficiency of these critical engine systems.

Conclusion

The Drive Coupling Flange 4012788 is a vital component in the operation of heavy-duty trucks and Cummins engines, ensuring efficient power transmission and reliable performance. Its robust design, precise engineering, and compatibility with specific engine models make it an essential part for maintaining the integrity and efficiency of the drivetrain system. Proper installation, regular maintenance, and understanding of common failure modes are crucial for maximizing the lifespan and performance of this part.