3347509
Flywheel
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2,599.95 $3,093.94

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 3347509 Flywheel is a component designed for use in heavy-duty trucks. Its purpose is to store rotational energy and contribute to the smooth operation of the engine. This part plays a role in the efficient functioning of the truck’s engine system, ensuring reliable performance under various operating conditions.

Basic Concepts of a Flywheel

A flywheel is a mechanical device that stores rotational energy. It consists of a heavy circular disc attached to the engine’s crankshaft. The primary function of a flywheel is to smooth out the power delivery from the engine by storing energy during the power stroke and releasing it during the other strokes. This mechanism helps maintain a consistent rotational speed, reducing vibrations and ensuring stable engine operation 1.

Purpose of the 3347509 Flywheel

The 3347509 Flywheel is specifically engineered to enhance the operation of heavy-duty trucks. It contributes to engine performance by aiding in the starting process, maintaining smooth idling, and improving overall efficiency. The flywheel’s design allows it to effectively store and release energy, which helps in achieving balanced engine operation.

Key Features

The 3347509 Flywheel boasts several key features that enhance its performance and durability. Its design incorporates high-strength materials to withstand the rigors of heavy-duty use. The flywheel is engineered to provide precise balance and smooth operation, ensuring it can handle the demands of commercial truck applications. Additionally, its construction includes features that reduce noise and vibration, contributing to a more comfortable driving experience.

Benefits

The 3347509 Flywheel offers several benefits that contribute to the overall performance of heavy-duty trucks. It provides improved engine stability by maintaining consistent rotational speed, which leads to smoother operation. Enhanced fuel efficiency is another advantage, as the flywheel helps reduce the load on the engine during idle periods. Furthermore, it reduces wear on other engine components by smoothing out power delivery, leading to longer engine life 2.

Installation Process

Proper installation of the 3347509 Flywheel is crucial for ensuring optimal performance. The process involves several steps, including preparing the engine compartment, aligning the flywheel with the crankshaft, and securing it in place. Tools such as torque wrenches and alignment tools are necessary to ensure the flywheel is correctly fitted. Attention to detail during installation helps prevent issues such as misalignment or improper torque, which can affect engine performance.

Maintenance and Troubleshooting

Regular maintenance of the 3347509 Flywheel is important to ensure its continued optimal performance. This includes periodic inspections for signs of wear or damage, ensuring all fasteners are tight, and checking for proper alignment. Common issues that may arise include excessive wear, noise, or vibration. Troubleshooting these problems often involves inspecting the flywheel for damage, ensuring it is properly balanced, and addressing any alignment issues. Following recommended maintenance practices helps prolong the lifespan of the flywheel and ensures reliable engine operation.

Compatibility and Applications

The 3347509 Flywheel is designed for use in specific types of engines and truck models. It is engineered to meet the demands of various commercial truck applications, providing reliable performance in different operating environments. Its compatibility ensures it can be integrated seamlessly into the engine system, contributing to the overall efficiency and performance of the truck.

Performance Enhancements

The 3347509 Flywheel can contribute to performance enhancements in heavy-duty trucks. By providing consistent rotational energy storage and release, it helps improve torque and acceleration. This results in a more responsive and efficient driving experience. The flywheel’s design also contributes to reduced engine strain, leading to better overall performance and reliability.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable engine components, Cummins has established a strong reputation for delivering high-performance solutions. The company’s dedication to excellence is evident in its product line, which includes the 3347509 Flywheel, designed to meet the rigorous demands of heavy-duty truck applications.

Cummins Flywheel Part 3347509 Compatibility

The Cummins flywheel part number 3347509 is a component in the engine’s operation, ensuring smooth power delivery and efficient engine performance. This flywheel is designed to work seamlessly with several Cummins engines, providing a reliable connection between the engine and the transmission.

K19 Engine Series

The K19 engine series is one of the key applications for the Cummins flywheel part 3347509. This series is known for its robust design and high performance, making it suitable for various industrial and commercial applications. The flywheel’s design allows it to store rotational energy and smooth out the power delivery from the engine to the transmission, enhancing overall engine efficiency and performance.

Integration with K19 Engines

When installed in a K19 engine, the flywheel part 3347509 interfaces directly with the engine’s crankshaft. This connection is crucial for the proper functioning of the engine, as it ensures that the rotational energy produced by the engine is efficiently transferred to the transmission. The flywheel’s weight and balance are meticulously engineered to provide optimal performance and longevity, reducing wear and tear on engine components.

Compatibility Considerations

While the Cummins flywheel part 3347509 is specifically designed for the K19 engine series, it is essential to verify compatibility with other engine models. Ensuring that the flywheel matches the specific requirements of the engine it will be paired with is vital for maintaining engine performance and reliability. This part is engineered to meet Cummins’ stringent quality standards, ensuring it will function effectively when used with the appropriate engine models.

Installation and Maintenance

Proper installation of the flywheel part 3347509 is crucial for the engine’s performance. It is essential to follow the manufacturer’s guidelines for installation to ensure a secure and accurate fit. Regular maintenance checks should be performed to inspect for any signs of wear or damage, which could affect the flywheel’s performance and the engine’s overall efficiency.

Role of Part 3347509 Flywheel in Engine Systems

The flywheel, specifically part 3347509, is an integral component within the engine system, facilitating smooth operation and efficient energy transfer. When the engine’s pistons move due to combustion, the flywheel stores rotational energy. This stored energy is then utilized to maintain the engine’s momentum between power strokes, ensuring consistent operation.

Interaction with the Clutch System

The flywheel interfaces directly with the clutch system. As the driver engages the clutch, friction material on the clutch plate contacts the flywheel, transferring engine power to the transmission. This interaction is vital for seamless gear changes and vehicle acceleration.

Contribution to the Starter Motor

During engine start-up, the flywheel engages with the starter motor’s pinion gear. The starter motor rotates the flywheel, which in turn rotates the crankshaft, initiating the engine’s combustion cycle. The flywheel’s mass and inertia are essential in this process, providing the necessary momentum to start the engine.

Balance and Vibration Reduction

The flywheel’s design helps in balancing the engine. Its mass counteracts the reciprocating motion of the pistons, reducing vibrations and ensuring smoother engine operation. This balance is particularly important in multi-cylinder engines where the forces generated by each piston can cause significant vibrations if not properly managed.

Energy Storage and Release

Beyond its mechanical functions, the flywheel acts as an energy reservoir. It absorbs excess energy during the power stroke and releases it during the other strokes (intake, compression, and exhaust). This energy management is key to maintaining a stable engine speed and enhancing overall efficiency.

Integration with the Transmission

The flywheel is also a pivotal link between the engine and the transmission. It ensures that the power generated by the engine is transmitted efficiently to the drivetrain, facilitating vehicle movement. The consistent rotational speed provided by the flywheel is essential for the proper functioning of the transmission system.

Conclusion

In summary, the 3347509 Flywheel plays a multifaceted role in engine systems, contributing to smooth operation, efficient energy transfer, and overall engine balance. Its interactions with the clutch, starter motor, and transmission are fundamental to the engine’s performance and durability.


  1. Lakshminarayanan, P. A., & Kumar, A. (2020). Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer Nature.

  2. Caines, A. J., Haycock, R. F., & Hillier, J. E. (2004). Automotive Lubricants Reference Book. SAE International.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
20.25 x 20.25 x 3.5 in
Weight
85 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.