4956583
Roll Pin
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$214.95 $255.79

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 4956583 Spline Coupling Hub, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the industry, produces a range of parts and systems that contribute to the efficiency and reliability of heavy-duty trucks. This Cummins part is one such component, playing a role in the drivetrain system of trucks 1.

Basic Concepts of Spline Coupling Hubs

A spline coupling hub is a mechanical device that connects two shafts, allowing them to transmit torque while accommodating a certain degree of misalignment. This is achieved through a series of ridges, or splines, that mesh together, providing a secure connection. In the context of a truck’s drivetrain, the spline coupling hub ensures efficient power transfer from the engine to the wheels, even when the components are not perfectly aligned 2.

Purpose of the 4956583 Spline Coupling Hub

This part is specifically designed to facilitate the transmission of torque within a truck’s drivetrain. It plays a role in connecting the transmission to the driveshaft, ensuring that power is effectively transferred from the engine to the wheels. Additionally, it accommodates minor misalignments between the transmission and driveshaft, which can occur due to various factors such as road conditions or wear and tear. This function is vital for maintaining the smooth operation of the truck 3.

Key Features

The 4956583 is characterized by several key features that enhance its performance and durability. Its design incorporates precision-machined splines that ensure a secure fit and efficient torque transmission. The hub is constructed from high-strength materials, providing resistance to wear and fatigue. Additionally, it may feature lubrication points or seals to protect the internal components from contaminants, further extending its service life.

Benefits

The use of the 4956583 offers several advantages. It contributes to improved efficiency in the drivetrain by ensuring smooth and consistent torque transmission. The hub’s ability to accommodate misalignment reduces wear on connected components, leading to a longer service life for the drivetrain system. Furthermore, the enhanced performance and durability of the hub contribute to the overall reliability and efficiency of the truck.

Installation Considerations

When installing the 4956583, it is important to follow guidelines and best practices to ensure proper function and longevity. Preparatory steps may include cleaning the mating surfaces and inspecting the splines for damage. The use of appropriate tools is necessary to avoid damage during installation. Alignment procedures should be carefully followed to ensure that the hub is correctly positioned and that the splines are properly engaged.

Maintenance and Troubleshooting

Regular maintenance of the 4956583 is important for ensuring its longevity and optimal performance. This may include periodic inspection for signs of wear or damage, and lubrication if applicable. Common issues that may arise include misalignment, wear on the splines, or contamination. Troubleshooting steps may involve realigning components, replacing worn parts, or cleaning and lubricating the hub as necessary.

Compatibility and Applications

The 4956583 is designed for use in specific types of trucks and models. It is commonly found in applications where reliable and efficient torque transmission is required, such as in heavy-duty commercial trucks. The hub’s compatibility with various drivetrain configurations makes it a versatile component in the industry.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and related components. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the commercial truck industry. The company’s product range includes a variety of parts and systems designed to enhance the performance and efficiency of heavy-duty trucks.

Spline Coupling Hub (Part 4956583) in Cummins Engines

The Spline Coupling Hub, identified by the part number 4956583, is a critical component in several Cummins engine models. This part is integral to the proper functioning of the engine’s transmission system, ensuring that power is efficiently transferred from the engine to the driven components.

KTA19 Series

In the KTA19 series, the Spline Coupling Hub plays a pivotal role in the engine’s power transmission mechanism. The KTA19GC, a variant within this series, relies on this hub to connect the engine’s output shaft to the transmission or other driven machinery. The design of the spline coupling hub ensures a secure and reliable connection, minimizing the risk of power loss or mechanical failure during operation.

Group Compatibility

The Spline Coupling Hub (4956583) is designed to be compatible with various engine groups within the Cummins lineup. This compatibility extends to engines that share similar design principles and power transmission requirements. By ensuring that the hub fits seamlessly with these engines, Cummins maintains a high standard of performance and reliability across its engine range.

Importance in Engine Operation

The Spline Coupling Hub is essential for maintaining the integrity of the engine’s power delivery system. Its precise fit and robust construction help to prevent misalignment and wear, which can lead to costly downtime and repairs. The hub’s design also facilitates easy maintenance and replacement, contributing to the overall longevity and efficiency of the engine.

Role of Part 4956583 Spline Coupling Hub in Engine Systems

The 4956583 is an integral component in the efficient operation of various engine systems, particularly in the context of generator and ignition systems.

In generator systems, the Spline Coupling Hub facilitates the smooth transfer of rotational energy from the engine to the generator. This transfer is essential for the generator to produce electrical power. The hub ensures that the connection between the engine and the generator is secure and allows for the necessary rotational movement without slippage, thereby maintaining the generator’s efficiency and reliability.

When considering generator mounting, the Spline Coupling Hub plays a supportive role by providing a stable and consistent interface. This stability is vital for the proper alignment and operation of the generator, ensuring that it remains securely mounted and functions optimally under varying operational conditions.

In the broader system context, the Spline Coupling Hub contributes to the overall integrity and performance of the engine system. It helps in maintaining the synchronization between different components, ensuring that the engine operates smoothly and efficiently.

Within the ignition system, the Spline Coupling Hub indirectly supports the timing and delivery of the ignition spark. By ensuring a consistent and reliable transfer of rotational energy, it helps in maintaining the precise timing required for the ignition system to function correctly. This, in turn, contributes to the engine’s overall performance, fuel efficiency, and emissions control.

Overall, the 4956583 is a key component that enhances the functionality and reliability of engine systems by ensuring smooth and efficient energy transfer between critical components.

Conclusion

The 4956583 Spline Coupling Hub is a vital component in the drivetrain and engine systems of heavy-duty trucks and engines. Its design and features contribute to the efficient and reliable transfer of torque, accommodating misalignments and ensuring smooth operation. Regular maintenance and proper installation are crucial for maximizing its performance and longevity. As a part of Cummins’ extensive range of power solutions, the Spline Coupling Hub exemplifies the company’s commitment to quality, innovation, and reliability in the commercial truck and engine industry.


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

  2. Mollenhauer, K., & Tschoeke, H. (2010). Handbook of Diesel Engines. Springer.

  3. Bennett, S., & Norman, I. A. (2011). Heavy Duty Truck Systems, Fifth Edition. Delmar Cengage Learning.

SPECIFICATIONS

Package Dimensions
1.12 x 0.25 x 0.25 in
Weight
0.12 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.