3328689
Flywheel
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$3,899.95 $4,640.94

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 3328689 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 important for maintaining and optimizing the performance of heavy-duty trucks.

Basic Concepts of a Flywheel

A flywheel is a mechanical device that stores rotational energy. It consists of a heavy circular disk attached to a rotating shaft. The fundamental principle behind a flywheel is the conservation of angular momentum. When the engine produces power, the flywheel stores this energy and releases it during the phases when the engine is not producing power, such as between combustion cycles. This process helps to smooth out engine operation, providing a more consistent power delivery 1.

Purpose of the Cummins 3328689 Flywheel

The Cummins 3328689 Flywheel is specifically engineered to enhance the operation of heavy-duty trucks. It plays a role in storing rotational energy, which helps to maintain engine momentum and stability. By doing so, it contributes to improved engine performance, better fuel efficiency, and overall drivetrain functionality. The flywheel ensures that the engine operates smoothly, even under varying load conditions.

Key Features

The Cummins 3328689 Flywheel is characterized by its robust design and high-quality materials. It is engineered to withstand the demanding conditions of heavy-duty truck applications. The flywheel features a balanced design to minimize vibrations and ensure smooth operation. Additionally, it is constructed from durable materials that offer resistance to wear and corrosion, enhancing its longevity and reliability.

Benefits

Using the Cummins 3328689 Flywheel offers several benefits. It contributes to improved engine performance by providing consistent power delivery. The flywheel also enhances fuel efficiency by reducing the need for the engine to work harder during power fluctuations. Furthermore, it reduces wear on other components by smoothing out engine operation, leading to increased durability and longevity of the drivetrain system.

Installation and Compatibility

Proper installation of the Cummins 3328689 Flywheel is important to ensure optimal performance. It is designed to be compatible with specific truck models and engine types. During installation, it is important to follow the manufacturer’s guidelines to ensure that the flywheel is properly aligned and secured. This includes checking for any specific torque specifications and ensuring that all mounting surfaces are clean and free of debris.

Maintenance and Troubleshooting

To ensure the Cummins 3328689 Flywheel operates at its best, regular maintenance is recommended. This includes inspecting the flywheel for signs of wear or damage, ensuring that all mounting bolts are tight, and checking for any unusual noises or vibrations during operation. Common issues may include uneven wear, which can be addressed by rebalancing the flywheel, or corrosion, which can be prevented through regular cleaning and application of protective coatings.

Performance Enhancements

For those looking to further optimize their heavy-duty truck’s performance, there are potential enhancements that can be made to the Cummins 3328689 Flywheel. Aftermarket options may include upgraded materials or designs that offer increased durability or performance. These modifications can impact truck performance by providing better power delivery, improved fuel efficiency, and enhanced durability.

Cummins Overview

Cummins Inc. is a well-established company with a strong reputation in the automotive and heavy-duty truck industry. Founded in 1919, Cummins has a history of innovation and quality. The company is known for its commitment to developing reliable and efficient engine components. Cummins’ dedication to customer satisfaction and continuous improvement has made it a trusted name in the industry.

Flywheel Part 3328689 Compatibility with Cummins Engines

The flywheel part number 3328689, manufactured by Cummins, is a critical component in several of their engine models. This part is designed to work seamlessly with a variety of Cummins engines, ensuring smooth operation and efficient power transfer. Here is a detailed look at the compatibility of this flywheel with different Cummins engines:

ISM Series Engines

  • ISM CM570
  • ISM CM570/870
  • ISM CM876
  • ISM11 CM876 SN

The ISM series engines, including the ISM CM570, ISM CM570/870, ISM CM876, and ISM11 CM876 SN, are designed for heavy-duty applications. The flywheel part 3328689 is engineered to fit these engines, providing the necessary balance and rotational mass to ensure smooth engine operation. This compatibility is crucial for maintaining the integrity of the engine’s performance and longevity.

L10 Series Engines

  • L10 CELECT
  • L10 GAS
  • L10 MECHANICAL

The L10 series engines, such as the L10 CELECT, L10 GAS, and L10 MECHANICAL, are known for their versatility and reliability. The flywheel part 3328689 is specifically designed to fit these engines, ensuring that the rotational inertia and balance are maintained. This compatibility is essential for the efficient functioning of these engines, whether they are used in on-highway or off-highway applications.

M11 Series Engines

  • M11 CELECT
  • M11 CELECT PLUS
  • M11 MECHANICAL

The M11 series engines, including the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL, are designed for high-performance applications. The flywheel part 3328689 is engineered to fit these engines, providing the necessary balance and rotational mass to ensure smooth engine operation. This compatibility is crucial for maintaining the integrity of the engine’s performance and longevity.

QSM11 Series Engine

  • QSM11 CM570

The QSM11 CM570 engine is a high-performance model designed for demanding applications. The flywheel part 3328689 is specifically designed to fit this engine, ensuring that the rotational inertia and balance are maintained. This compatibility is essential for the efficient functioning of the QSM11 CM570 engine, providing reliable performance and durability.

Role of Part 3328689 Flywheel in Engine Systems

The flywheel, specifically part 3328689, is an integral component in the operation of an engine system. It is primarily responsible for maintaining rotational energy within the system, ensuring smooth operation between power strokes.

When the engine’s pistons move, they generate power that is transferred to the crankshaft. The flywheel is connected to the crankshaft and stores the rotational energy produced during each power stroke. This stored energy is then used to keep the engine running smoothly between strokes, compensating for the intermittent power delivery from the combustion process.

Additionally, the flywheel plays a significant role in the operation of the vehicle’s transmission system. It is directly connected to the clutch, which allows for the smooth engagement and disengagement of the engine from the transmission. As the driver modulates the clutch pedal, the flywheel facilitates the transfer of power from the engine to the transmission, enabling gear changes without jarring the drivetrain.

Furthermore, the flywheel contributes to the stability and balance of the engine. Its mass helps to counteract the reciprocating motion of the pistons, reducing vibrations and ensuring a smoother operation. This balance is particularly important in high-performance engines where precision and smoothness are paramount.

In summary, part 3328689 flywheel is essential for storing rotational energy, facilitating smooth power transfer through the clutch, and maintaining engine balance. Its integration within the engine system ensures efficient and reliable operation across various driving conditions.

Conclusion

The Cummins 3328689 Flywheel is a critical component in the operation of heavy-duty trucks, designed to store rotational energy and ensure smooth engine operation. Its robust design, compatibility with various Cummins engines, and the benefits it offers in terms of performance and fuel efficiency make it an essential part for maintaining and optimizing truck performance. Regular maintenance and proper installation are key to ensuring the flywheel operates at its best, contributing to the overall reliability and durability of the drivetrain system.


  1. Mollenhauer, K., & Tschoeke, H. (2010). Handbook of Diesel Engines. Springer.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
23.5 x 23.5 x 5.75 in
Weight
72.32 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.