3251556
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

Introduction

The Cummins 3251556 Flywheel is a critical component in the operation of commercial trucks. It is designed to store rotational energy and smooth out the power delivery from the engine to the transmission. This part ensures the efficient and reliable performance of the truck’s engine system.

Basic Concepts of a Flywheel

A flywheel is a mechanical device that stores rotational energy. It consists of a heavy disc attached to the crankshaft of an engine. The primary function of a flywheel is to maintain a steady rotational speed by storing energy during the power stroke and releasing it during the other strokes of the engine cycle. This helps to stabilize the engine’s operation and reduce vibrations 1.

Role of the 3251556 Flywheel in Truck Operation

The Cummins 3251556 Flywheel is integral to the operation of commercial trucks. It interacts with several key engine components, including the crankshaft, clutch, and transmission. By storing rotational energy, the flywheel ensures a consistent power delivery to the transmission, which is particularly important in heavy-duty applications where smooth and reliable power transfer is crucial. Additionally, the flywheel helps to dampen engine vibrations, contributing to a smoother ride and reduced wear on engine components 2.

Key Features of the 3251556 Flywheel

The Cummins 3251556 Flywheel is engineered with several design and construction features that enhance its performance and durability. These include a robust construction using high-quality materials, precision balancing to minimize vibrations, and a design that ensures optimal energy storage and release. The flywheel is also crafted to withstand the high stresses and temperatures encountered in commercial truck applications.

Benefits of Using the 3251556 Flywheel

Utilizing the Cummins 3251556 Flywheel offers several advantages. It contributes to improved engine efficiency by ensuring a smooth and consistent power delivery. The flywheel also enhances the overall operation of the truck by reducing vibrations and providing a stable rotational speed. Furthermore, its durable construction ensures long-term reliability and performance, making it a valuable component for commercial truck operators 3.

Installation Considerations

Proper installation of the Cummins 3251556 Flywheel is crucial for ensuring optimal performance and longevity. It is important to follow manufacturer guidelines and best practices during installation. This includes ensuring the flywheel is correctly aligned with the crankshaft, properly torqued to the specified values, and free from any contaminants that could affect its operation. Careful attention to these details will help to maximize the flywheel’s effectiveness and lifespan.

Maintenance and Troubleshooting

Routine maintenance of the Cummins 3251556 Flywheel is important to ensure continued reliable operation. This includes regular inspections for signs of wear or damage, ensuring all fasteners are tight, and keeping the flywheel clean and free from contaminants. Troubleshooting common issues, such as unusual vibrations or difficulty in engaging the clutch, may involve checking the flywheel for proper alignment, balance, and condition. Addressing these issues promptly can help to prevent more significant problems down the line.

Cummins Corporation

Cummins Inc. is a renowned manufacturer with a long-standing reputation in the industry for producing high-quality automotive components. Founded in 1919, Cummins has built a legacy of innovation and excellence. The company is committed to delivering reliable and durable parts that meet the demanding requirements of commercial truck applications. Cummins’ dedication to quality and performance is evident in their wide range of products, including the Cummins 3251556 Flywheel.

Flywheel Part 3251556 Compatibility with Cummins Engines

The flywheel part 3251556, manufactured by Cummins, is designed to fit a variety of Cummins engines. Here is a breakdown of its compatibility with the specified engines:

ISM CM570 and ISM CM570/870

The ISM CM570 and ISM CM570/870 engines are part of the Cummins ISM series, known for their robust performance and reliability in heavy-duty applications. The flywheel part 3251556 is engineered to interface seamlessly with these engines, ensuring smooth operation and efficient power transfer.

ISM CM876

The ISM CM876 engine is another variant in the Cummins ISM series, offering high torque and power output. The flywheel part 3251556 is specifically designed to match the ISM CM876’s specifications, providing the necessary balance and performance characteristics for optimal engine function.

L10 CELECT and L10 MECHANICAL

The L10 CELECT and L10 MECHANICAL engines are part of the Cummins L10 series, which is recognized for its versatility and efficiency. The flywheel part 3251556 is compatible with both the CELECT and MECHANICAL variants, ensuring that it meets the demands of these engines in various applications.

M11 CELECT PLUS

The M11 CELECT PLUS engine is a high-performance engine in the Cummins M11 series, designed for demanding applications. The flywheel part 3251556 is engineered to fit the M11 CELECT PLUS, providing the necessary durability and performance to support the engine’s capabilities.

By ensuring that the flywheel part 3251556 is compatible with these engines, Cummins maintains a high standard of quality and reliability across its engine lineup.

Role of Part 3251556 Flywheel in Engine Systems

The flywheel, specifically part 3251556, is integral to the smooth operation of engine systems. It is connected to the crankshaft via the clutch, forming a vital link between the engine and the transmission.

When the engine generates power, the flywheel stores this energy due to its inertia. This stored energy helps in maintaining the engine’s momentum between power strokes, ensuring a consistent rotational speed.

The flywheel also plays a significant role in the clutch system. During gear changes, the flywheel allows the engine to continue running smoothly while the transmission is disconnected from the engine. This is achieved through the engagement and disengagement of the clutch, which is mounted on the flywheel.

Additionally, the flywheel aids in reducing vibrations within the engine system. Its mass helps in dampening the fluctuations in rotational speed, leading to a more stable and efficient engine performance.

In summary, the flywheel is a key component that enhances the functionality and efficiency of the engine system by storing energy, facilitating smooth gear changes, and minimizing vibrations.

Conclusion

The Cummins 3251556 Flywheel is a vital component in the operation of commercial trucks, ensuring efficient and reliable performance of the engine system. Its role in storing rotational energy, facilitating smooth power delivery, and reducing vibrations makes it an essential part for heavy-duty applications. Proper installation, maintenance, and understanding of its compatibility with various Cummins engines are crucial for maximizing its effectiveness and longevity.


  1. Wright, Gus. Fundamentals of Medium-Heavy Duty Diesel Engines. Jones & Bartlett Learning, 2015.

  2. Maclaurin, Bruce. High Speed Off-Road Vehicles. Wiley, 2018.

  3. Hilgers, Michael. Entire Vehicle: Second Edition. Springer Nature, 2023.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
23.5 x 23.5 x 5.75 in
Weight
103 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.