3041257
Flywheel
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$7,699.95 $9,162.94

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 3041257 Flywheel is a component designed for use in commercial trucks, playing a significant role in the efficient operation of the engine. Its purpose is to store rotational energy and smooth out the power delivery from the engine to the transmission. This component is integral to maintaining the momentum of the engine between power strokes, ensuring consistent operation and performance 1.

Basic Concepts of a Flywheel

A flywheel is a mechanical device specifically designed to store rotational energy. It consists of a heavy disc or wheel attached to the rotating shaft of an engine. The fundamental principle behind a flywheel is the conservation of angular momentum. When the engine produces power, the flywheel stores excess energy and releases it when needed, thereby smoothing out the power delivery and maintaining a consistent rotational speed. This function is vital for the stable operation of the engine, particularly in applications where power delivery can be inconsistent, such as in internal combustion engines 2.

Role of the 3041257 Flywheel in Truck Operation

The Cummins 3041257 Flywheel plays a specific role in the operation of a truck by interacting with other engine components to ensure smooth and efficient power transmission. It works in conjunction with the crankshaft, clutch, and transmission. During the combustion process, the flywheel absorbs the energy produced by the engine’s power strokes. This stored energy is then used to keep the engine running smoothly between power strokes, reducing vibrations and ensuring a steady supply of power to the transmission. The flywheel also aids in the engagement and disengagement of the clutch, facilitating smooth gear changes 3.

Key Features of the 3041257 Flywheel

The Cummins 3041257 Flywheel is characterized by several key features that enhance its performance and durability. It is engineered with precision to ensure optimal balance and minimal vibration. The flywheel is constructed from high-strength materials, typically a combination of cast iron and steel, to withstand the rigors of commercial truck operation. Its design includes specific weight and diameter to achieve the desired rotational inertia. Additionally, the flywheel is equipped with mounting points and damping features to ensure secure attachment and reduce noise and vibration.

Benefits of Using the 3041257 Flywheel

The Cummins 3041257 Flywheel offers several advantages that contribute to improved engine performance, durability, and efficiency. By storing and releasing rotational energy, it helps maintain a consistent engine speed, which is crucial for smooth operation and reduced wear on engine components. The high-strength materials used in its construction ensure longevity and reliability under demanding conditions. Furthermore, the precise engineering of the flywheel contributes to enhanced fuel efficiency and reduced emissions, making it a valuable component for commercial truck applications.

Troubleshooting Common Issues with the 3041257 Flywheel

Common issues associated with the Cummins 3041257 Flywheel can include excessive vibration, difficulty in clutch engagement, and unusual noises during operation. These symptoms may be caused by wear and tear, improper installation, or damage to the flywheel. To address these issues, it is important to conduct a thorough inspection of the flywheel and related components. Solutions may involve rebalancing the flywheel, replacing worn-out parts, or ensuring proper alignment and installation. Regular maintenance and timely replacement of the flywheel can prevent these issues and ensure optimal performance.

Maintenance Tips for the 3041257 Flywheel

To ensure the optimal performance and longevity of the Cummins 3041257 Flywheel, regular maintenance is essential. This includes periodic inspection for signs of wear, damage, or imbalance. Cleaning the flywheel and its mounting area can prevent the accumulation of debris that may cause friction or interference. Additionally, ensuring proper alignment and secure attachment during installation is crucial. If any issues are detected during maintenance, it is advisable to replace the flywheel promptly to avoid further complications and ensure the continued smooth operation of the engine.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and power generation products. Founded in 1919, Cummins has built a reputation for innovation, quality, and reliability in the automotive industry. The company’s extensive product portfolio serves various markets, including commercial vehicles, construction, agriculture, and power generation. Cummins is committed to advancing technology and sustainability, providing customers with efficient and durable power solutions.

Cummins Flywheel Part 3041257 Compatibility

The Cummins flywheel part number 3041257 is designed to fit a range of engines, ensuring compatibility across various models. Here is a detailed overview of its application:

  • QSK19 CM2350 K105 and QSK19 CM2350 K114: These engines benefit from the flywheel’s robust design, which provides smooth operation and efficient power transfer. The part is engineered to handle the specific torque and rotational demands of these models.

  • QSK19 CM500 and QSK19 CM850 MCRS: These engines also utilize the 3041257 flywheel, which is tailored to meet the higher power output and performance requirements of these larger models. The flywheel’s design ensures durability and reliability under demanding conditions.

The flywheel part 3041257 is a critical component for these engines, ensuring that they operate efficiently and effectively. Its design and material composition are optimized for the specific needs of each engine model, providing a seamless fit and function.

Role of Part 3041257 Flywheel in Engine Systems

The flywheel, specifically part 3041257, is an integral component within the engine system, serving multiple functions that contribute to the overall performance and efficiency of the engine.

Energy Storage and Smooth Operation

The primary role of the flywheel is to store rotational energy. When the engine’s pistons move, they generate power in pulses. The flywheel absorbs these pulses and converts them into consistent rotational energy, ensuring smooth operation of the engine. This stored energy helps maintain engine momentum between power strokes, reducing vibrations and providing a stable power delivery to the transmission system.

Clutch Engagement

In manual transmission vehicles, the flywheel plays a significant role in the clutch system. When the clutch pedal is depressed, the pressure plate disengages from the flywheel, allowing the driver to shift gears without disrupting the engine’s operation. Upon releasing the clutch pedal, the pressure plate re-engages with the flywheel, transferring engine power to the transmission and ultimately to the wheels. The flywheel’s mass and inertia are essential for a smooth and efficient clutch engagement.

Starter Motor Interaction

During engine start-up, the flywheel interacts with the starter motor. The starter motor’s pinion gear engages with the flywheel’s ring gear, cranking the engine to initiate combustion. The flywheel’s design ensures that the starter motor can effectively turn the engine over, facilitating a reliable start-up process.

Balancing the Engine

The flywheel also contributes to engine balancing. Its mass helps counteract the reciprocating motion of the pistons and the rotating motion of the crankshaft, reducing overall engine vibrations. This balancing effect is particularly important in high-performance engines where precision and smoothness are paramount.

Torque Conversion

In automatic transmission systems, although a traditional flywheel is replaced by a flexplate, the principle remains similar. The flexplate performs a comparable role in storing rotational energy and facilitating smooth power transfer. The flywheel or flexplate ensures that the transmission receives a consistent flow of power, enhancing the driving experience.

Conclusion

In summary, the Cummins 3041257 Flywheel is a multifaceted component that enhances engine performance, ensures smooth operation, and contributes to the overall efficiency of the engine system. Its interactions with the clutch, starter motor, and transmission are vital for the seamless functioning of the vehicle. Regular maintenance and timely replacement of this part are essential to prevent common issues and ensure optimal performance.


  1. Advanced Automotive Electricity and Electronics, Michael Klyde and Kirk VanGelder, Jones Bartlett Learning, 2010.

  2. Diesel Engine Combustion, Emissions and Condition Monitoring, Saiful Bari, InTech, 2013.

  3. SAE International’s Dictionary for Automotive Engineers, John F Kershaw, SAE International, 2023.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
21.5 x 21.0 x 4.75 in
Weight
180 lb

BILL OF MATERIALS

Name Quantity Part Number
Flywheel Ring Gear
* 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.