3104651
Flywheel
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3,599.95 $4,283.94

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 3104651 Flywheel, a component manufactured by Cummins, is integral to the commercial truck industry. This part is specifically designed for use in commercial trucks, where it plays a significant role in the engine system. Understanding its function and integration within the engine is key to appreciating its importance in ensuring efficient and reliable truck operation.

Basic Concepts of a Flywheel

A flywheel is a mechanical device that uses the principle of inertia to store rotational energy. In an engine, it serves multiple functions: it smooths out the power delivery by storing energy during the power stroke and releasing it during the other strokes, thereby maintaining a consistent rotational speed. The flywheel also contributes to the engine’s starting process by engaging with the starter motor. Its design and material are crucial for its effectiveness in these roles 1.

Purpose of the 3104651 Flywheel

The 3104651 Flywheel is engineered to enhance the operation of a truck engine. It plays a role in ensuring smooth engine operation by balancing the rotational forces generated during combustion. This balance is vital for maintaining consistent engine speed and power delivery, which are critical for the efficient performance of commercial trucks. Additionally, the flywheel contributes to the engine’s durability by reducing wear on other components 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 materials used are chosen for their strength and durability, ensuring the flywheel can withstand the demanding conditions of commercial truck use. Unique attributes such as its design for optimal weight distribution and balance further enhance its performance and longevity.

Benefits of Using the 3104651 Flywheel

Incorporating the 3104651 Flywheel into a truck’s engine system offers several advantages. It contributes to improved engine performance by ensuring smooth and consistent power delivery. This can lead to enhanced fuel efficiency, as the engine operates more efficiently with a well-balanced flywheel. Additionally, the durability of the flywheel means it can withstand the rigors of commercial use, contributing to the overall longevity of the engine 3.

Installation Considerations

Proper installation of the 3104651 Flywheel is important for its effective operation. This includes ensuring correct alignment with the engine and adhering to torque specifications to secure it properly. Compatibility with other engine components is also a consideration, as the flywheel must work in harmony with the rest of the engine system for optimal performance.

Maintenance and Troubleshooting

Regular maintenance practices are important for ensuring the longevity and optimal performance of the 3104651 Flywheel. This includes checking for signs of wear or damage and ensuring it remains properly aligned and balanced. Common issues may include uneven wear or damage from improper installation, which can be diagnosed through visual inspection and performance testing. Troubleshooting advice often involves checking the alignment and balance of the flywheel, as well as ensuring it is securely fastened.

Performance Enhancements

The 3104651 Flywheel can contribute to performance enhancements in a truck’s engine. Its design and material contribute to improved torque and acceleration, enhancing the overall driving experience. By ensuring smooth and consistent power delivery, the flywheel plays a role in the engine’s efficiency and responsiveness.

Cummins: A Brief Overview

Cummins Inc. is a leader in the commercial truck industry, known for its commitment to quality, innovation, and customer satisfaction. With a rich history of providing reliable and efficient engine solutions, Cummins has established a reputation for excellence in the automotive and heavy-duty truck sectors. Their products, including the 3104651 Flywheel, are designed with a focus on durability, performance, and compatibility with a wide range of commercial applications.

Cummins Flywheel Part 3104651 Compatibility

The Cummins flywheel part number 3104651 is designed to work seamlessly with a range of Cummins engines. This flywheel is engineered to ensure smooth engine operation and efficient power transfer. Below is a detailed overview of its compatibility with the specified engine models:

ISX15 Engines

  • ISX15 CM2250
  • ISX15 CM2250 SN

The flywheel part 3104651 is compatible with the ISX15 CM2250 and ISX15 CM2250 SN engines. These engines are known for their robust performance and reliability, making the specified flywheel an ideal match to support their operational demands.

ISX15 CM2350 Engines

  • ISX15 CM2350 X101

This flywheel part is also designed to fit the ISX15 CM2350 X101 engine. The ISX15 CM2350 series is recognized for its enhanced performance and efficiency, and the flywheel part 3104651 is engineered to complement these features.

QSX15 Engines

  • QSX15 CM2250 ECF
  • QSX15 CM2350 X105

The QSX15 CM2250 ECF and QSX15 CM2350 X105 engines are also compatible with the flywheel part 3104651. These engines are designed for heavy-duty applications, and the specified flywheel ensures optimal performance and durability in demanding conditions.

X15 CM2350 Engines

  • X15 CM2350 X116B
  • X15 CM2350 X123B

The flywheel part 3104651 is suitable for the X15 CM2350 X116B and X15 CM2350 X123B engines. These engines are engineered for high-performance applications, and the specified flywheel is designed to meet their rigorous operational requirements.

X15 CM2450 Engine

  • X15 CM2450 X134B

Lastly, the flywheel part 3104651 is compatible with the X15 CM2450 X134B engine. This engine is designed for superior performance and efficiency, and the specified flywheel ensures that it operates at peak performance levels.

Role of Part 3104651 Flywheel in Engine Systems

The flywheel, specifically part 3104651, is an integral component within the engine system, facilitating smooth operation and efficient energy transfer. Its primary function is to store rotational energy and deliver it consistently to the crankshaft, ensuring a stable engine operation even during the power strokes when the engine’s rotational speed naturally fluctuates.

Interaction with the Clutch System

When paired with the clutch system, the flywheel plays a pivotal role in transmitting power from the engine to the transmission. As the engine generates power, the flywheel rotates, storing kinetic energy. When the clutch is engaged, this stored energy is transferred to the transmission, allowing for seamless gear changes and consistent power delivery to the drivetrain.

Contribution to Engine Smoothness

The flywheel’s mass and inertia are essential in maintaining engine smoothness. By resisting changes in rotational speed, it helps to stabilize the engine’s RPM, reducing vibrations and ensuring a more comfortable driving experience. This is particularly noticeable in engines with fewer cylinders, where the power delivery can be less consistent.

Support for Starter Motor Engagement

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 design ensures a secure and efficient transfer of rotational force, facilitating a reliable start-up process.

Enhancement of Engine Braking

In vehicles equipped with manual transmissions, the flywheel assists in engine braking. When the driver shifts to a lower gear while descending a slope, the flywheel helps to slow down the vehicle by converting the vehicle’s kinetic energy into rotational energy, which is then absorbed by the engine. This process aids in controlling the vehicle’s speed without relying solely on the brake system.

Integration with the Exhaust System

Although not a direct interaction, the flywheel’s consistent rotational energy transfer contributes to the efficient operation of the exhaust system. By maintaining a steady engine speed, it ensures that the exhaust valves open and close at the correct times, optimizing the expulsion of exhaust gases and enhancing overall engine performance.

Conclusion

In summary, the 3104651 Flywheel is a multifaceted component that significantly contributes to the engine’s operational efficiency, smoothness, and reliability. Its interactions with the clutch, starter motor, and exhaust system underscore its importance in the overall engine system.


  1. Hilgers, Michael. Electrical Systems and Mechatronics, Second Edition. Springer Vieweg, 2023.

  2. Dempsey, Paul. Troubleshooting and Repairing Diesel Engines. McGraw-Hill, 2008.

  3. Van Gelder, Kirk T. Fundamentals of Automotive Technology Principles and Practice. Jones Bartlett Learning, 2018.

SPECIFICATIONS

Package Dimensions
27.0 x 24.0 x 8.75 in
Weight
50 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.