125485
Accessory Drive Gear
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,849.95 $2,201.44

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 125485 Accessory Drive Gear is a critical component designed for use in commercial trucks. It facilitates the transfer of power from the engine to various ancillary components, playing a significant role in the operation and efficiency of these vehicles. Understanding its function and integration within the engine system is essential for maintaining the reliability and performance of commercial trucks.

Basic Concepts of Accessory Drive Gear

An Accessory Drive Gear is a mechanical component that transmits power from the engine to auxiliary systems such as the alternator, water pump, and air conditioning compressor. It operates by meshing with other gears or pulleys within the engine’s accessory drive system, ensuring that these components receive the necessary power to function. The efficiency and reliability of these ancillary components are directly influenced by the performance of the Accessory Drive Gear 1.

Purpose of the 125485 Accessory Drive Gear

The Cummins 125485 Accessory Drive Gear is specifically engineered to drive a range of components within the truck’s engine system. It powers the alternator for electrical system support, the water pump for engine cooling, and other accessories that contribute to the overall performance and operation of the truck. By ensuring these components receive consistent and adequate power, this Cummins part contributes to the engine’s efficiency and durability.

Key Features

The Cummins 125485 Accessory Drive Gear is characterized by several design elements and materials that enhance its functionality and durability. It is constructed from high-strength materials to withstand the rigors of commercial truck operation. Its design includes precision machining to ensure smooth operation and compatibility with Cummins engines. Additionally, the gear may feature unique characteristics such as noise reduction technologies or enhanced tooth profiles for improved power transmission.

Benefits

The Cummins 125485 Accessory Drive Gear offers several advantages. It provides improved efficiency in power transmission to ancillary components, enhancing the overall performance of the truck. Its reliability is underscored by its construction and design, which are tailored to meet the demanding conditions of commercial truck use. Furthermore, its compatibility with Cummins engines ensures seamless integration and operation within the engine system.

Installation Considerations

Proper installation of the Cummins 125485 Accessory Drive Gear is crucial for its performance and longevity. Guidelines recommend ensuring the engine is at operating temperature before installation to avoid thermal expansion issues. Special tools may be required for precise fitting and alignment. It is also important to follow manufacturer recommendations for torque specifications and lubrication to ensure optimal operation.

Troubleshooting Common Issues

Common problems associated with Accessory Drive Gears can include noise, vibration, and harshness (NVH), as well as premature wear. These issues may arise from improper installation, lack of maintenance, or the use of incompatible components. Troubleshooting steps include inspecting for proper alignment and fit, ensuring adequate lubrication, and replacing worn or damaged components as necessary.

Maintenance Tips

Routine maintenance of the Cummins 125485 Accessory Drive Gear is vital for ensuring its longevity and optimal performance. This includes regular inspection for signs of wear or damage, adhering to recommended lubrication intervals, and ensuring that all connected components are functioning correctly. Following these maintenance practices can help prevent common issues and extend the service life of the gear.

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, reliability, and innovation in the commercial truck industry. Its product range includes a variety of engines and components designed to meet the needs of commercial vehicle operators worldwide.

Accessory Drive Gear 125485 Compatibility with Cummins Engines

The Accessory Drive Gear 125485, manufactured by Cummins, is a critical component designed to interface with various Cummins engine models. This part ensures the smooth operation of engine accessories such as the alternator, water pump, and air conditioning compressor. Below is a detailed look at the compatibility of this part with specific Cummins engine configurations.

V28 Engines

The Accessory Drive Gear 125485 is specifically engineered to fit Cummins V28 engines. These engines are known for their robust design and are commonly used in heavy-duty applications, including marine and industrial sectors. The V28 configuration allows for a balanced distribution of power and efficiency, making it a preferred choice for demanding environments.

Grouping by Application

In marine applications, the Accessory Drive Gear 125485 is essential for maintaining the reliability of onboard systems. The gear’s precision engineering ensures that the accessories operate at optimal performance levels, even under the harsh conditions typically found in marine environments.

In industrial settings, the Accessory Drive Gear 125485 is equally crucial. It helps in maintaining the integrity of the engine’s accessory systems, which are vital for the continuous operation of machinery and equipment. The gear’s compatibility with Cummins V28 engines ensures that these systems function seamlessly, contributing to the overall efficiency and longevity of the engine.

Understanding the Role of Part 125485 Accessory Drive Gear in Engine Systems

The part 125485 Accessory Drive Gear is an integral component in the efficient operation of various engine systems. Its primary function is to facilitate the transfer of power from the engine to multiple auxiliary components, ensuring they operate in harmony with the engine’s performance.

Accessory Drive System Integration

Within the accessory drive system, the Accessory Drive Gear (Part 125485) works in conjunction with the drive belt to transmit rotational force. This mechanism is essential for driving accessories that do not directly contribute to the engine’s combustion process but are vital for the vehicle’s overall functionality.

Powering the Alternator and Generator

A significant application of the Accessory Drive Gear is in powering the alternator and generator. These components rely on a consistent and reliable source of mechanical energy to convert into electrical power, which is then used to charge the battery and power the vehicle’s electrical systems. The Accessory Drive Gear ensures that the alternator and generator receive the necessary drive to function effectively.

Enhancing the Magtronic and Generator Drive Systems

In systems equipped with magtronic and generator drive technologies, the Accessory Drive Gear plays a pivotal role. It ensures that these advanced components receive the precise amount of drive required for optimal performance. This is particularly important in magtronic systems, where the integration of magnetic technology enhances the efficiency and reliability of the drive mechanism.

Accessory Drive Kit Compatibility

When incorporated into an accessory drive kit, Part 125485 Accessory Drive Gear contributes to the kit’s overall effectiveness. These kits are designed to simplify the replacement or upgrade of accessory drive components, and the Accessory Drive Gear’s role is to ensure that all accessories within the kit operate smoothly and efficiently.

Radiator and Pulley System Interaction

The Accessory Drive Gear also interacts with the radiator and pulley system. By providing the necessary drive to these components, it ensures that the radiator fan operates efficiently, maintaining optimal engine temperature. Similarly, the pulley system relies on the Accessory Drive Gear to transmit power, facilitating the operation of various engine accessories.

Conclusion

The Accessory Drive Gear 125485 by Cummins is a versatile and essential component for various engine applications. Its compatibility with Cummins V28 engines highlights its importance in ensuring the smooth operation of engine accessories in both marine and industrial settings. Understanding the role and integration of this part within the engine system is crucial for maintaining the efficiency and reliability of commercial trucks.


  1. Huzij, R., Spano, A., & Bennett, S. (2019). Modern Diesel Technology: Heavy Equipment Systems. Cengage Learning.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
5.25 x 2.63 x 5.25 in
Weight
3.17 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.