4933365
Flywheel
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3,499.95 $4,164.94

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 4933365 Flywheel is a component designed for use in heavy-duty trucks, playing a significant role in the operation of these vehicles. Its purpose is to store rotational energy and contribute to the smooth functioning of the engine. Understanding its function and significance is key to appreciating its role in the overall performance of heavy-duty trucks.

Basic Concepts of a Flywheel

A flywheel is a mechanical device specifically designed to efficiently store rotational energy. It consists of a heavy circular disk attached to a rotating shaft. When the engine generates power, the flywheel stores this energy as rotational inertia. This stored energy helps to smooth out the power delivery to the rest of the engine system, ensuring consistent operation even during the intervals between power strokes. The flywheel also plays a role in the operation of the vehicle’s clutch system, facilitating smooth gear changes 1.

Purpose of the 4933365 Flywheel

This Cummins part is engineered to enhance the operation of heavy-duty trucks by efficiently storing and transmitting rotational energy. It contributes to engine performance by maintaining consistent rotational speed, which is crucial for the smooth operation of the engine and transmission system. This flywheel is designed to work in harmony with the engine’s components, ensuring efficient energy transfer and reducing the strain on the engine during operation.

Key Features

This part is characterized by its robust design and the use of high-quality materials, which contribute to its performance and durability. Its design includes features that enhance its ability to store and transmit energy efficiently. The materials used in its construction are chosen for their strength and resistance to wear, ensuring long-lasting performance under the demanding conditions typical of heavy-duty truck operation.

Benefits

Utilizing the 4933365 Flywheel offers several advantages, including improved engine efficiency due to its effective energy storage and transmission capabilities. Its durable construction contributes to enhanced longevity, potentially leading to cost savings over time by reducing the frequency of replacements and repairs. Additionally, the smooth operation it facilitates can contribute to overall vehicle performance and driver comfort.

Installation Considerations

When installing this part, it is important to follow guidelines and best practices to ensure proper function and longevity. This may include specific torque settings for bolts, alignment checks, and ensuring the flywheel is properly seated and secured. Adhering to Cummins’ recommendations for installation can help prevent issues and ensure optimal performance.

Troubleshooting and Maintenance

Common issues with flywheels can include wear, imbalance, or damage, which may affect engine performance. Regular inspection and maintenance can help identify potential problems early. Maintenance tips include checking for signs of wear or damage, ensuring proper alignment, and following manufacturer recommendations for service intervals. Addressing issues promptly can help maintain the flywheel’s performance and longevity.

Compatibility and Application

The 4933365 Flywheel is designed for specific types of trucks and engines, with applications tailored to the demands of heavy-duty operations. Its design and construction are suited to the rigorous conditions these vehicles often encounter, making it a reliable component for enhancing engine performance and efficiency.

Cummins 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 a commitment to quality, Cummins has established a reputation for excellence in the automotive and heavy-duty truck industry. Their flywheels, including the 4933365, are a testament to their dedication to producing high-quality, reliable components that meet the needs of their customers.

Cummins Flywheel Part 4933365 Compatibility

The Cummins flywheel part number 4933365 is designed to fit a range of Cummins engines, ensuring compatibility across various models. This flywheel is engineered to work seamlessly with the following engines:

  • 6B5.9
  • ISB CM850
  • QSB5.9 30 CM550

These engines, while differing in their specific applications and configurations, share common design elements that allow the flywheel part 4933365 to be a suitable fit. The compatibility of this part across these engines underscores its versatility and the importance of selecting the correct flywheel for maintaining engine performance and reliability.

Role of Part 4933365 Flywheel in Engine Systems

This part is an integral component in the operation of engine systems, particularly in the context of internal combustion engines. Its primary function is to store rotational energy and smooth out the power delivery from the engine’s cylinders.

When the engine’s pistons move, they create a series of power pulses. The flywheel, due to its mass and inertia, absorbs these pulses and converts them into a more consistent rotational force. This is essential for maintaining the engine’s momentum between power strokes, ensuring a stable and efficient operation.

The flywheel also plays a significant role in the engine’s starting process. It is connected to the starter motor via the starter ring gear. When the starter motor engages, it spins the flywheel, which in turn rotates the crankshaft, initiating the engine’s operation.

In manual transmission vehicles, the flywheel serves as the mating surface for the clutch. The pressure plate, driven by the clutch pedal, engages and disengages the flywheel from the clutch disc, allowing for smooth gear changes.

Furthermore, the flywheel is connected to the crankshaft via the crankshaft pulley. This connection ensures that the rotational energy generated by the engine is efficiently transferred to the transmission system, facilitating the vehicle’s movement.

Conclusion

In summary, the 4933365 Flywheel is a key element in the engine system, contributing to the stability, efficiency, and functionality of the engine’s operation. Its robust design, high-quality materials, and compatibility with specific Cummins engines make it a reliable component for enhancing engine performance and efficiency in heavy-duty trucks.


  1. Osgood, L., Cameron, G., & Christensen, E. (2024). Engineering Mechanics: Statics. Creative Commons.

SPECIFICATIONS

Service Part Topic
07T16-2
Package Dimensions
20.8 x 20.8 x 4.0 in
Weight
37.96 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.