4006346
Flywheel
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$11,499.95 $13,684.94

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 4006346 Flywheel is a component designed for use in commercial 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 can help in maintaining and optimizing the performance of commercial 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 produces power, the flywheel stores this energy and releases it when needed, thereby smoothing out the engine’s operation. This mechanism helps in maintaining a consistent rotational speed, which is crucial for the engine’s stability and efficiency 1.

Purpose of the 4006346 Flywheel

The Cummins 4006346 Flywheel is engineered to enhance the operation of a truck’s engine. It plays a role in starting the engine by providing the necessary rotational inertia. During idling, it helps maintain a stable engine speed. Additionally, it contributes to overall engine efficiency by ensuring smooth power delivery and reducing vibrations 2.

Key Features

This Cummins part is characterized by its robust design and high-quality materials. It is constructed to withstand the demanding conditions of commercial truck operations. Its design includes features that enhance its durability and performance, such as a balanced weight distribution and precise engineering to ensure optimal function within the engine system.

Benefits

Using the 4006346 offers several advantages. It contributes to improved engine performance by ensuring smooth operation and efficient energy transfer. The flywheel’s durable construction enhances the longevity of the engine components, potentially leading to cost savings over time. Additionally, its reliable performance reduces the likelihood of engine-related issues, further contributing to operational efficiency 3.

Installation Considerations

Proper installation of the 4006346 is important for ensuring its effective function. This process involves several steps, including preparing the engine, using the appropriate tools, and following a systematic approach to mounting the flywheel. Attention to detail during installation helps in achieving a secure fit and optimal performance.

Maintenance and Troubleshooting

To ensure the 4006346 operates at its best, regular maintenance is recommended. This includes inspecting the flywheel for signs of wear, ensuring it remains properly aligned, and addressing any issues promptly. Common problems may include uneven wear or vibrations, which can often be resolved through proper maintenance practices.

Compatibility and Applications

The 4006346 is designed for specific types of trucks and engines. It is compatible with certain models and series, ensuring it meets the performance requirements of these vehicles. Understanding its applications helps in selecting the right component for a particular truck, contributing to efficient engine operation.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its commitment to quality and innovation. The company has a history of producing reliable and high-performance automotive components, including the 4006346. Its reputation is built on a foundation of engineering excellence and a dedication to meeting the needs of commercial truck operators.

Cummins Flywheel Part 4006346 Compatibility

The Cummins flywheel part number 4006346 is designed to integrate seamlessly with a range of Cummins engines, ensuring reliable and efficient operation. This flywheel is engineered to work with the following engine models:

  • QSK78 CM500: This high-performance engine is known for its durability and efficiency, making it a popular choice in various industrial applications. The flywheel part 4006346 is specifically tailored to match the QSK78 CM500’s requirements, providing optimal balance and performance.

Grouping of Engines

When considering the integration of the flywheel part 4006346, it is essential to understand the compatibility across different engine groups. This flywheel is designed to fit within the Cummins engine family, ensuring that it can be used across multiple models without requiring extensive modifications. The compatibility ensures that the flywheel can effectively manage the engine’s rotational forces and contribute to the overall efficiency of the engine system.

Role of Part 4006346 Flywheel in Engine Systems

The flywheel, specifically part 4006346, is an integral component in the operation of various engine systems. It serves as a pivotal link between the engine and the transmission, facilitating smooth power transfer.

When the engine’s pistons move, they generate rotational force. This force is transmitted to the flywheel, which, due to its mass and inertia, helps in stabilizing the engine’s rotational speed. This stabilization is essential for maintaining consistent power delivery to the transmission system.

In manual transmission vehicles, the flywheel plays a key role in the clutch system. As the clutch engages, the flywheel connects the engine to the transmission, allowing for the transfer of power to the wheels. During gear changes, the flywheel ensures a seamless transition by maintaining engine momentum.

In automatic transmissions, although the role is less direct, the flywheel still contributes to the overall efficiency and smoothness of operation. It aids in managing the engine’s rotational energy, which is particularly important during acceleration and deceleration phases.

Furthermore, the flywheel’s design and material properties are tailored to withstand the high stresses and temperatures encountered in engine operation. This durability ensures long-term reliability and performance in the engine system.

Conclusion

In summary, the 4006346 is a fundamental component that enhances the functionality and efficiency of both manual and automatic engine systems. Its robust design, compatibility with various Cummins engines, and role in maintaining engine stability and efficiency make it a critical part for commercial truck operations.


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

  2. Lakshminarayanan, P. A., & Agarwal, A. K. (2019). Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer.

  3. Ling, F. F. (2011). The Automotive Body. Springer Science.

SPECIFICATIONS

Package Dimensions
72.0 x 72.0 x 15.5 in
Weight
194 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.