3647087
Engine Crankshaft
Cummins®

AVAILABLE

Cummins®

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$37,999.95 $45,219.94

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This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3647087 Engine Crankshaft is a vital component in the operation of commercial trucks. Manufactured by Cummins Inc., a renowned leader in the engine industry, this crankshaft is designed to meet the demanding requirements of heavy-duty applications. Its role in ensuring the efficient and reliable performance of truck engines underscores its significance in the automotive sector.

Basic Concepts of Engine Crankshafts

An engine crankshaft is a fundamental component in internal combustion engines. Its primary function is to convert the linear motion of the pistons into rotational motion, which is then used to drive the vehicle 1. This conversion is achieved through a series of crankpins and connecting rods that are precisely engineered to transfer the force generated by the pistons’ movement.

Purpose of the Cummins 3647087 Engine Crankshaft

The Cummins 3647087 Engine Crankshaft plays a specific role in the operation of a truck by converting the reciprocating motion of the pistons into rotational motion. This rotational motion is transmitted through the flywheel to the transmission, ultimately propelling the vehicle. The crankshaft’s design ensures that this conversion is efficient and smooth, contributing to the overall performance and reliability of the engine.

Key Features

The Cummins 3647087 Engine Crankshaft is characterized by several key features that enhance its performance and durability. These include a robust design that can withstand the high stresses and loads encountered in heavy-duty applications. This part is manufactured using high-quality materials that offer superior strength and resistance to wear. Additionally, precise balancing techniques are employed to minimize vibrations and ensure smooth operation. Unique attributes such as advanced coatings and heat treatments may also be incorporated to further enhance its performance.

Benefits

The Cummins 3647087 Engine Crankshaft offers several benefits that contribute to improved engine efficiency, reliability, and longevity. Its robust design and high-quality materials ensure that it can withstand the rigors of heavy-duty use, reducing the likelihood of failure and the need for frequent replacements. The precise balancing of the crankshaft minimizes vibrations, leading to smoother engine operation and reduced wear on other components. These factors collectively enhance the overall performance and durability of the truck.

Troubleshooting and Maintenance

Common issues that may arise with the Cummins 3647087 Engine Crankshaft include wear, imbalance, and failure of the crankshaft bearings. Diagnostic procedures may involve visual inspections, vibration analysis, and performance testing to identify any issues. Regular maintenance practices, such as monitoring oil levels and quality, inspecting for signs of wear, and ensuring proper alignment and balance, are crucial for ensuring optimal performance and longevity of the crankshaft. Timely replacement of worn or damaged components is also important to prevent further damage to the engine.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for producing high-quality engine components that meet the demanding requirements of various industries. The company’s commitment to innovation, quality, and customer satisfaction has made it a trusted name in the automotive and heavy-duty truck sectors.

Cummins Engine Crankshaft 3647087 Compatibility

The Cummins Engine Crankshaft part number 3647087 is a critical component designed to fit seamlessly within several Cummins engine models. This crankshaft is engineered to ensure optimal performance and reliability across a range of applications. Below is a detailed look at the compatibility of this crankshaft with specific Cummins engines.

QSK45 Engines

The Cummins QSK45 engine series, particularly the CM500 variant, is designed for heavy-duty applications, including marine and industrial use. The crankshaft part number 3647087 is meticulously crafted to align with the unique specifications of the QSK45 CM500 engine. This ensures that the crankshaft can handle the high torque and power demands of these engines, providing a robust foundation for their operation.

Other Cummins Engines

While the primary focus here is on the QSK45 CM500, it is worth noting that the Cummins Engine Crankshaft 3647087 is also compatible with other Cummins engines that share similar design and performance requirements. This compatibility extends to various models within the Cummins engine lineup, ensuring that the crankshaft can be utilized across multiple platforms without compromising on performance or reliability.

Key Considerations

When integrating the Cummins Engine Crankshaft 3647087 into any engine, it is essential to ensure that all related components and specifications are compatible. This includes verifying the alignment of bearings, the balance of the crankshaft, and the overall fit within the engine block. Proper installation and maintenance of this crankshaft are crucial to maintaining the engine’s performance and longevity.

Role of Part 3647087 Engine Crankshaft in Engine Systems

The part 3647087 Engine Crankshaft is integral to the operation of the engine block and cylinder system. It transforms the reciprocating motion of the pistons into rotational force, which is essential for the engine’s functionality 2.

Within the engine block, the crankshaft is supported by main bearings, which allow it to rotate smoothly. As the pistons move up and down in the cylinders due to combustion, they are connected to the crankshaft via connecting rods. This connection ensures that the linear motion of the pistons is converted into rotational motion, driving the crankshaft.

The crankshaft’s rotation is then transmitted through the flywheel, which helps to smooth out the power delivery and maintain engine momentum between power strokes. This consistent rotation is vital for the operation of other engine components, such as the camshaft, which controls the opening and closing of the valves in synchronization with the pistons’ movement.

Conclusion

In summary, the Cummins 3647087 Engine Crankshaft plays a significant role in coordinating the movement of the pistons within the cylinders and ensuring the smooth operation of the engine block. Its precise engineering and robust design are essential for the efficient and reliable performance of the engine system.


  1. Gillespie, Thomas D. Fundamentals of Vehicle Dynamics. SAE International, 2021.

  2. Stone, Richard. Introduction to Internal Combustion Engines, Fourth Edition. Macmillan, 2012.

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SPECIFICATIONS

Package Dimensions
78.75 x 18.0 x 24.0 in
Weight
1015.5 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.