3647110
Engine Crankshaft
Cummins®

The Cummins 3647110 Engine Crankshaft is a vital component in heavy-duty trucks, playing a significant role in the engine’s operation. This part is designed to withstand the demanding conditions of heavy-duty applications, ensuring reliable performance and efficiency.

Basic Concepts of Engine Crankshafts

An engine crankshaft is a mechanical part that converts the linear motion of the pistons into rotational motion, which drives the vehicle’s wheels. It operates within an internal combustion engine, working in conjunction with pistons, connecting rods, and other components to facilitate the engine’s power cycle ¹.

Purpose of the Cummins 3647110 Engine Crankshaft

This Cummins part serves to convert the linear motion of the pistons into rotational motion, which is then transmitted to the transmission and ultimately to the wheels. This conversion is fundamental to the engine’s operation, allowing it to generate the power needed for heavy-duty truck applications.

Key Features

The Cummins 3647110 Engine Crankshaft is characterized by its robust design and the use of high-quality materials. It features a balanced design to reduce vibrations and enhance smoothness, and it is constructed from durable materials to withstand the high stresses and loads encountered in heavy-duty truck engines. Unique attributes such as precision machining and heat treatment processes contribute to its performance and durability ².

Benefits

This part offers several benefits, including improved engine efficiency, enhanced reliability, and increased longevity. Its design and construction allow for smooth operation under high loads, contributing to the overall performance and durability of the engine.

Troubleshooting and Maintenance

Common issues with the Cummins 3647110 Engine Crankshaft may include wear, imbalance, or damage from excessive loads. Regular maintenance practices, such as inspecting for wear, ensuring proper lubrication, and balancing the crankshaft, can help prevent these issues and ensure optimal performance and longevity ³.

Manufacturing and Quality Control

Cummins employs rigorous manufacturing processes and quality control measures to ensure the reliability and performance of the 3647110 Engine Crankshaft. These processes include precision machining, heat treatment, and thorough inspection procedures to meet the high standards required for heavy-duty truck applications.

Integration with Other Engine Components

The Cummins 3647110 Engine Crankshaft interacts with various engine components, including pistons, connecting rods, and the flywheel. This interaction is crucial for the smooth and efficient operation of the engine, as the crankshaft converts the linear motion of the pistons into rotational motion, which is then transmitted through the flywheel to the transmission.

Historical Development

The development of engine crankshafts has seen significant advancements in design and materials. These advancements have led to the current iteration of the Cummins 3647110 Engine Crankshaft, which benefits from improved materials, precision manufacturing techniques, and enhanced design features to meet the demands of modern heavy-duty truck engines ⁴.

Cummins Company Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history in engine manufacturing, Cummins has established a reputation for quality, reliability, and innovation in the commercial truck industry. The company’s expertise and commitment to excellence are reflected in its products, including the Cummins 3647110 Engine Crankshaft.

Compatibility

The Cummins Engine Crankshaft part number 3647110 is compatible with several Cummins engine models, including the QSK78 and CM500 series. This crankshaft is designed to provide robust performance and reliability, ensuring smooth engine operation across various applications.

Role of Part 3647110 Engine Crankshaft in Engine Systems

The Engine Crankshaft (part 3647110) is integral to the operation of the Cylinder Block in an engine system. It is responsible for converting the linear motion of the pistons into rotational motion, which is then transmitted to the transmission system.

Interaction with the Cylinder Block

Within the Cylinder Block, the Engine Crankshaft is housed in main bearings. As the pistons move up and down due to combustion, they are connected to the crankshaft via connecting rods. This setup ensures that the force generated by the combustion process is efficiently transferred to the crankshaft. The crankshaft’s design, with its offset crankpins, allows it to manage the sequential firing of cylinders, maintaining smooth engine operation.

Supporting Components

• Main Bearings: These bearings support the crankshaft within the cylinder block, reducing friction and wear.
• Connecting Rods: These rods link the pistons to the crankshaft, transmitting the force from the combustion chamber to the crankshaft.
• Flywheel: Attached to the crankshaft, the flywheel helps in smoothing out the power delivery and stores rotational energy.
• Pistons: These components move within the cylinder block and are essential for the compression and power strokes that drive the crankshaft.

The efficient interaction between the crankshaft and these components ensures the engine’s reliable performance and durability.

Conclusion

The Cummins 3647110 Engine Crankshaft is a critical component in heavy-duty truck engines, offering robust performance, reliability, and efficiency. Its design and construction, along with rigorous manufacturing and quality control processes, ensure that it meets the high demands of heavy-duty applications. Regular maintenance and proper integration with other engine components are essential for optimal performance and longevity.