3642904
Engine Crankshaft
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$124,435.69 $154,699.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 3642904 Engine Crankshaft is a vital component in the operation of commercial trucks, playing a significant role within the engine system. This crankshaft is designed to ensure the efficient and reliable performance of Cummins engines, contributing to the overall functionality and durability of the vehicle.

Basic Concepts of Engine Crankshafts

An engine crankshaft is a mechanical part that converts the linear motion of the pistons into rotational motion. This conversion is fundamental to the operation of an internal combustion engine, as it allows the engine to generate the torque necessary to drive the vehicle. The crankshaft’s design and construction are critical to its ability to withstand the high stresses and loads encountered during engine operation 1.

Purpose of the Cummins 3642904 Engine Crankshaft

The Cummins 3642904 Engine Crankshaft serves a specific role in the operation of a truck by transforming the reciprocating motion of the pistons into rotational motion. This motion is then transmitted through the flywheel to the transmission, ultimately driving the vehicle. The crankshaft’s design ensures that this conversion is efficient and reliable, contributing to the truck’s performance and durability.

Key Features

The Cummins 3642904 Engine Crankshaft is characterized by several primary features that enhance its performance and durability. These include its robust design, the use of high-quality materials, and unique attributes such as precision machining and balanced weight distribution. These features contribute to the crankshaft’s ability to operate under high stress and load conditions, ensuring long-term reliability and efficiency.

Benefits

The Cummins 3642904 Engine Crankshaft offers several advantages, including improved engine efficiency, reliability, and longevity. These benefits are achieved through the crankshaft’s precise engineering and high-quality construction, which allow it to operate smoothly and efficiently under a wide range of conditions. The enhanced performance of the crankshaft contributes to the overall efficiency and reliability of the truck.

Installation and Compatibility

Proper installation of the Cummins 3642904 Engine Crankshaft is crucial to ensure optimal performance and longevity. Installation procedures should follow manufacturer guidelines to avoid damage and ensure compatibility with the engine. The crankshaft is designed to be compatible with various Cummins engine models, providing flexibility in application and ensuring that it can be used in a wide range of commercial truck engines.

Maintenance and Troubleshooting

Routine maintenance practices for the Cummins 3642904 Engine Crankshaft are important to ensure optimal performance and longevity. These practices may include regular inspections for wear and damage, proper lubrication, and timely replacement of worn components. Troubleshooting common issues such as unusual noises, vibrations, or performance drops can help identify and address problems early, preventing more serious damage.

Performance Enhancements

Potential performance enhancements or modifications to the Cummins 3642904 Engine Crankshaft can further improve engine efficiency, power output, and overall performance. These enhancements may include upgrades to the crankshaft’s materials, design, or manufacturing processes, allowing for increased durability, reduced weight, or improved balance. Careful consideration and testing are required to ensure that any modifications do not compromise the crankshaft’s integrity or compatibility with the engine.

Cummins Company Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the industry for producing reliable and efficient engine components. The company’s commitment to research and development ensures that its products, including the Cummins 3642904 Engine Crankshaft, meet the highest standards of performance and durability.

Cummins Engine Crankshaft 3642904 Compatibility

The Cummins Engine Crankshaft part number 3642904 is a critical component that fits seamlessly into various Cummins engine models. This crankshaft is designed to provide robust performance and reliability, ensuring smooth engine operation across different applications.

QSK45 CM500 Engines

The QSK45 CM500 engines are high-performance, heavy-duty diesel engines known for their durability and efficiency. The 3642904 crankshaft is specifically engineered to fit these engines, ensuring optimal power delivery and longevity. Its precision-engineered design allows it to withstand the rigorous demands of heavy-duty operations, making it an ideal choice for demanding applications.

Grouping of Engines

When considering the compatibility of the 3642904 crankshaft, it is essential to recognize that it is not limited to a single engine model. Cummins has designed this crankshaft to be versatile, fitting into a range of engine models within the QSK45 series. This versatility ensures that the crankshaft can be used across different engine configurations, providing a reliable and efficient solution for various industrial and commercial applications.

The 3642904 crankshaft’s compatibility extends to other models within the Cummins engine lineup, ensuring that it can be used in a variety of settings where high performance and reliability are paramount. This broad compatibility makes it a valuable component for technicians and engineers working with Cummins engines.

Understanding the Integration of Part 3642904 Engine Crankshaft in Engine Systems

The part 3642904 engine crankshaft is a fundamental component in the orchestration of an engine’s operation, seamlessly interacting with various other components to ensure efficient performance.

At the heart of the engine, the crankshaft is directly connected to the engine block, which serves as the structural foundation of the engine. This connection is vital for the transmission of rotational force generated by the crankshaft to the rest of the engine system.

Within the engine block, the crankshaft aligns with the cylinder bores. As the pistons move up and down within these cylinders due to combustion, they are connected to the crankshaft via connecting rods. This mechanical linkage ensures that the linear motion of the pistons is converted into rotational motion by the crankshaft.

The crankshaft’s design, with its offset crankpins, allows it to manage the sequential firing of the cylinders, which is essential for maintaining a smooth and balanced operation of the engine. This rotational motion is then transmitted through the flywheel, which is bolted to the rear of the crankshaft, and subsequently to the transmission system, propelling the vehicle forward.

In summary, the part 3642904 engine crankshaft plays an integral role in converting the energy from fuel combustion into mechanical energy, which is then used to power the vehicle. Its interaction with the engine block and cylinders is fundamental to the engine’s function, highlighting the importance of its precise engineering and installation.

Conclusion

The Cummins 3642904 Engine Crankshaft is a critical component in the operation of commercial trucks, ensuring efficient and reliable engine performance. Its robust design, high-quality materials, and precise engineering contribute to the overall functionality and durability of the vehicle. Proper installation, maintenance, and understanding of its integration within the engine system are essential for optimal performance and longevity.


  1. Bari, S. (2013). Diesel Engine Combustion, Emissions and Condition Monitoring. InTech.

SPECIFICATIONS

Package Dimensions
206.0 x 43.0 x 53.0 in
Weight
454 lb
* 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.