3086439
Pulley Hub
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 3086439 Pulley Hub, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the engine manufacturing industry, produces a range of parts that contribute to the efficiency and reliability of truck engines. This part plays a significant role in the mechanical systems of trucks.

Basic Concepts of Pulley Hubs

A pulley hub is a mechanical component that facilitates the transfer of rotational force from a belt to various accessories within an engine system. It operates by allowing a belt to wrap around it, transmitting power as the hub rotates. In the context of a truck’s engine, pulley hubs are integral to the operation of accessories such as alternators, water pumps, and air conditioning compressors 1.

Purpose of Pulley Hub 3086439

The Pulley Hub 3086439 is specifically designed to transmit power from the engine to various accessories. It ensures that these accessories receive the necessary rotational force to function correctly. By maintaining a consistent and reliable power transmission, this Cummins part contributes to the overall performance and efficiency of the truck’s engine system.

Key Features

The 3086439 boasts several distinctive characteristics that enhance its performance and durability. These include a robust construction that can withstand the rigors of commercial truck operations, precision engineering to ensure smooth operation, and compatibility with a range of engine accessories. Additionally, the design of this part allows for efficient power transmission with minimal energy loss 2.

Benefits

The advantages provided by the Pulley Hub 3086439 include improved efficiency in power transmission, enhanced reliability of engine accessories, and potential cost savings for fleet operators due to its durability and reduced maintenance requirements. Its design and construction contribute to a longer service life, which can lead to fewer replacements and lower operational costs over time.

Installation Considerations

For the optimal performance and longevity of the Pulley Hub 3086439, it is important to follow guidelines and best practices during installation. This includes ensuring proper alignment with the engine accessories, using the correct tools for installation, and verifying that all connections are secure. Attention to these details during installation can prevent issues down the line and ensure the component functions as intended.

Troubleshooting Common Issues

Frequent problems associated with pulley hubs can include belt slippage, noise during operation, and accessory malfunctions. Addressing these issues effectively may involve checking the alignment of the pulley hub, inspecting the condition of the belt, and ensuring that all accessories are functioning correctly. Regular inspections and maintenance can help identify and resolve these issues before they lead to more significant problems 3.

Maintenance Tips

Routine maintenance practices can prolong the service life of the Pulley Hub 3086439 and ensure consistent performance. This includes regular inspections for wear and damage, ensuring the belt is properly tensioned, and cleaning the pulley hub to remove any debris that could affect its operation. Following these maintenance tips can help maintain the efficiency and reliability of the truck’s engine system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company offers a wide range of products designed to meet the needs of various applications, from on-highway to off-highway and industrial uses. Cummins’ commitment to excellence is reflected in its product range, which includes engines, powertrains, and aftermarket parts, all aimed at enhancing the performance and reliability of commercial vehicles.

Role of Part 3086439 Pulley Hub in Engine Systems

The 3086439 is integral to the efficient operation of several key components within engine systems. It serves as a pivotal connection point that facilitates the transfer of rotational force, ensuring that various engine-driven accessories function correctly.

Interaction with Fan Drive Pulley

The Pulley Hub is directly involved in the operation of the fan drive pulley. By securely mounting the fan drive pulley, it allows for the precise transmission of rotational energy from the engine to the fan. This ensures that the fan operates at the correct speed to provide adequate cooling for the engine, maintaining optimal temperature levels during operation.

Contribution to Radiator Cooling Efficiency

In conjunction with the fan drive pulley, the Pulley Hub plays a significant role in the cooling process of the radiator. The efficient rotation of the fan, driven by the Pulley Hub, enhances airflow through the radiator fins. This increased airflow is essential for dissipating heat from the coolant, which is circulated through the engine to prevent overheating. The consistent and reliable performance of the Pulley Hub thus contributes to the overall cooling efficiency of the engine system.

Conclusion

The 3086439 Pulley Hub by Cummins is a critical component in the efficient operation of commercial truck engines. Its robust design, precision engineering, and compatibility with various engine accessories make it a reliable choice for fleet operators. By ensuring proper installation, regular maintenance, and addressing common issues promptly, operators can maximize the performance and longevity of this part, contributing to the overall efficiency and reliability of their truck’s engine system.


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

  2. Diesel Technology Fundamentals Service Repair Eighth Edition, Andrew Norman, The Goodheart-Willcox Company Inc, 2016.

  3. Automotive Systems Principles and Practice, G.K. Awari, V.S. Kumbhar, and R.B. Tirpude, CRC Press, 2011.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
7.0 x 7.0 x 5.0 in
Weight
9 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.