3254856
Flywheel
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,999.95 $2,379.94

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 3254856 Flywheel is a critical component in heavy-duty trucks, essential for the efficient operation of these vehicles. Its primary function is to store rotational energy, contributing to the smooth functioning of the engine. Understanding its role and significance is vital for appreciating its impact on the overall performance and efficiency of heavy-duty trucks.

Basic Concepts of a Flywheel

A flywheel is a mechanical device designed to store rotational energy and maintain a consistent rotational speed within an engine system. It operates based on the principle of inertia, resisting changes in rotational speed by storing energy during acceleration and releasing it during deceleration. This mechanism is crucial for smoothing out engine operation, especially in the context of the intermittent power delivery characteristic of internal combustion engines 1.

Purpose of the Cummins 3254856 Flywheel

The Cummins 3254856 Flywheel is engineered to enhance the operation of heavy-duty trucks. It ensures smooth power delivery and reduces vibrations, contributing to engine performance. Additionally, it improves fuel efficiency by optimizing the engine’s rotational energy management. Its design and functionality are integral to the overall operation and efficiency of the truck’s engine system 2.

Key Features

This Cummins part is characterized by its robust design and the use of high-quality materials. Its construction includes precision-balanced components to ensure smooth operation and minimal vibration. The flywheel’s design is tailored to meet the demanding requirements of heavy-duty truck applications, featuring durable materials that withstand the rigors of heavy-duty use.

Benefits

Utilizing the 3254856 offers several advantages. It contributes to improved engine performance by ensuring consistent power delivery and reducing engine strain. Enhanced fuel efficiency is another benefit, as the flywheel optimizes the use of rotational energy. Furthermore, its durable construction ensures long-term reliability, reducing the need for frequent replacements and maintenance.

Installation and Compatibility

Proper installation of the 3254856 is crucial for optimal performance. It is designed to be compatible with specific truck models and engine types, ensuring a seamless integration into the engine system. Following manufacturer guidelines during installation is recommended to maintain the flywheel’s effectiveness and longevity.

Maintenance and Troubleshooting

Regular maintenance of the 3254856 is important for ensuring its optimal performance and longevity. This includes checking for signs of wear or damage and addressing any issues promptly. Common problems may include imbalance or excessive wear, which can be identified through routine inspections and addressed with appropriate repairs or replacements.

Performance Enhancements

The 3254856 can contribute to performance enhancements in heavy-duty trucks by improving the efficiency of energy transfer within the engine system. Its design allows for better interaction with other engine components, leading to improved overall efficiency and power output. This results in a more responsive and powerful engine performance.

Durability and Reliability

The 3254856 is built with durability and reliability in mind. Its construction utilizes high-quality materials and advanced manufacturing techniques to ensure it can withstand the demanding conditions of heavy-duty truck applications. This focus on durability and reliability ensures consistent performance and longevity, even under strenuous operating conditions.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the automotive industry, known for its high-quality components for heavy-duty trucks. With a rich history and a strong reputation for producing reliable and efficient parts, Cummins is committed to advancing technology and innovation in the field of automotive and heavy-duty truck components. The 3254856 is a testament to this commitment, offering superior performance and reliability for heavy-duty truck applications.

Cummins Flywheel Part 3254856 Compatibility

The 3254856 is designed to be compatible with several engine models, ensuring a seamless integration across different engine types. This flywheel is engineered to meet the specific requirements of the M11 CELECT PLUS, M11 MECHANICAL, and QSM11 CM570 engines.

For the M11 CELECT PLUS and M11 MECHANICAL engines, the 3254856 is a critical component that interfaces with the engine’s crankshaft. It plays a pivotal role in maintaining the engine’s rotational momentum, which is essential for smooth engine operation and efficient power delivery. The design of this flywheel ensures that it can handle the high torque and rotational speeds characteristic of these engines, contributing to their overall performance and reliability.

In the case of the QSM11 CM570 engine, the 3254856 is similarly integral to the engine’s function. This engine, known for its robust performance, relies on the flywheel to maintain consistent engine speed and to facilitate the smooth transition of power from the engine to the transmission. The compatibility of this flywheel with the QSM11 CM570 engine underscores its versatility and the precision with which it is manufactured to meet the demands of various engine configurations.

Overall, the 3254856 is a testament to the brand’s commitment to quality and compatibility, ensuring that it can be effectively used across different engine models to enhance performance and reliability.

Role of Part 3254856 Flywheel in Engine Systems

The 3254856 is integral to the smooth operation of an engine system. It works in conjunction with several key components to ensure efficient energy transfer and stable engine performance.

Interaction with the Crankshaft

The flywheel is bolted to the rear of the crankshaft. As the engine’s pistons move up and down, they impart rotational force to the crankshaft. The flywheel stores this rotational energy and releases it smoothly, helping to maintain consistent engine speed and power delivery.

Relationship with the Clutch System

In manual transmission vehicles, the flywheel interfaces directly with the clutch. When the clutch pedal is depressed, the pressure plate disengages from the flywheel, allowing the driver to shift gears without interrupting the engine’s rotation. Upon releasing the clutch pedal, the pressure plate re-engages with the flywheel, transferring engine power to the transmission.

Contribution to the Starter Motor

During engine start-up, the starter motor engages with the flywheel to crank the engine. The flywheel’s inertia helps the engine reach the necessary RPM for combustion to begin. Once the engine starts, the flywheel continues to smooth out the power pulses from the cylinders.

Influence on the Vibration Dampener

Connected to the front of the crankshaft, the vibration dampener works in tandem with the flywheel to reduce vibrations caused by the engine’s reciprocating parts. The flywheel’s mass helps absorb these vibrations, contributing to a smoother running engine.

Impact on the Transmission

In automatic transmissions, the flywheel’s role is somewhat different. It still stores rotational energy, but it interacts with a torque converter instead of a clutch. The torque converter uses fluid coupling to transfer engine power to the transmission, and the flywheel ensures a steady supply of rotational energy.

Effect on the Engine Mounts

The flywheel’s consistent rotational force helps stabilize the engine within its mounts. By smoothing out power delivery and reducing vibrations, it allows the engine mounts to effectively dampen any remaining vibrations, leading to a more stable and quieter engine operation.

Synergy with the Exhaust System

Efficient energy transfer from the flywheel also impacts the exhaust system. Consistent engine speed and power delivery ensure that the exhaust gases are expelled smoothly, which can enhance the performance and longevity of the catalytic converter and other exhaust components.

In summary, the 3254856 plays a multifaceted role in the engine system, interacting with various components to ensure smooth operation, efficient energy transfer, and stable performance.

Conclusion

The Cummins 3254856 Flywheel is a vital component in the operation of heavy-duty trucks. Its role in storing rotational energy, ensuring smooth power delivery, and reducing vibrations is crucial for the efficient and reliable performance of these vehicles. Understanding its features, benefits, and compatibility with various engine models highlights the importance of this part in maintaining and enhancing the performance of heavy-duty trucks.


  1. Hilgers, M., & Achenbach, W. (2021). Vocational Vehicles and Applications. Springer Vieweg.

  2. Fischer, R., Kucukay, F., Jurgens, G., Najork, R., & Pollak, B. (2015). The Automotive Transmission Book Powertrain. Springer.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
23.5 x 23.5 x 5.75 in
Weight
129 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.