123128
Accessory Drive Gear
Cummins®

Introduction

The Cummins Accessory Drive Gear 123128 is a vital component for commercial trucks, facilitating the operation of various engine accessories. Understanding its purpose and significance enhances the maintenance and performance of these vehicles.

Basic Concepts of Accessory Drive Gear

An Accessory Drive Gear transfers rotational force from the engine to accessories like alternators and water pumps. It engages with pulleys and belts, ensuring these accessories receive the necessary power to function correctly ¹.

Purpose of the Cummins Accessory Drive Gear 123128

This Cummins part is integral to truck operation, driving various engine accessories and ensuring they receive the power needed to perform their functions. It is designed to work in harmony with the engine, contributing to the truck’s overall efficiency and reliability.

Key Features

The Accessory Drive Gear 123128 is constructed from durable materials and features precision-machined teeth for smooth engagement with belts and pulleys. It may also include noise reduction elements or enhanced durability coatings ².

Benefits

This part contributes to improved efficiency by ensuring engine accessories operate smoothly. Its durable construction enhances longevity, reducing the need for frequent replacements. The gear’s reliable performance supports the truck’s overall reliability, minimizing downtime and maintenance costs.

Installation Process

Installing the Accessory Drive Gear 123128 involves ensuring the engine is off and cooled down, removing the old gear, installing the new gear, and reattaching belts or pulleys. A final check ensures everything is secure and functioning correctly.

Maintenance Tips

Regular maintenance is recommended to ensure the longevity and optimal performance of the Accessory Drive Gear 123128. This includes inspecting for wear or damage, following lubrication guidelines, and ensuring belts and pulleys are in good condition and correctly aligned.

Troubleshooting Common Issues

Common issues may include noise during operation, difficulty in engaging with belts, or signs of wear. Troubleshooting involves inspecting for damage, ensuring correct alignment, or replacing worn components to prevent further damage and ensure reliable operation.

Compatibility and Applications

The Accessory Drive Gear 123128 is designed for specific types of trucks and engines, contributing to the efficient and reliable operation of these vehicles in various commercial settings.

About Cummins

Cummins Inc. is a leader in the commercial truck industry, known for its wide range of products and reputation for quality and reliability. With a history of innovation and excellence, Cummins continues to provide solutions that meet the needs of commercial truck operators worldwide.

Accessory Drive Gear (Part 123128) Compatibility with Cummins Engines

The Accessory Drive Gear, identified by the part number 123128, is a critical component in the operation of various Cummins engines. It is integral to the engine’s accessory drive system, which includes the alternator, water pump, and other essential components that require rotation to function.

V28 Engines

The Accessory Drive Gear is specifically designed to fit seamlessly with V28 engines produced by Cummins. These engines are known for their robust construction and high performance, making them suitable for heavy-duty applications. The 123128 part ensures that the accessory drive system operates efficiently, providing the necessary power to ancillary systems while maintaining durability under demanding conditions.

Role of Part 123128 Accessory Drive Gear in Engine Systems

The Accessory Drive Gear, identified as part 123128, is integral to the efficient operation of various engine components. It facilitates the transfer of power from the engine to auxiliary systems, ensuring they function in harmony with the engine’s operation.

Accessory Drive and W.W. Housing

In the accessory drive and W.W. (Waste Water) housing system, the Accessory Drive Gear is responsible for transmitting power to the W.W. governor drive. This ensures precise control over the waste water management, optimizing engine performance and efficiency.

Accessory W-W Governor Drive

The Accessory W-W Governor Drive relies on the Accessory Drive Gear to regulate the flow of waste water. This regulation is vital for maintaining the engine’s operational parameters within safe limits, preventing potential damage and ensuring longevity.

Air Compressor Kit

Within the Air Compressor Kit, the Accessory Drive Gear plays a key role in driving the compressor. This is essential for generating the compressed air required for various engine functions, including starting and pneumatic systems.

Base Parts and Coupling

In the assembly of base parts and coupling mechanisms, the Accessory Drive Gear ensures that all components are synchronized. This synchronization is fundamental for the smooth operation of the engine and its accessories.

Fuel Pump and Related Systems

The Accessory Drive Gear is pivotal in operating the fuel pump and associated systems, such as the Fuel Aftercooler Pump and the PTG Fuel Pump with Torque or Auto. It ensures a consistent supply of fuel, which is crucial for the engine’s combustion process.

Drive, Accessory, and Front Gear Train Accessory

In the Drive, Accessory, and Front Gear Train Accessory systems, the Accessory Drive Gear facilitates the transfer of power to various accessories. This includes the Drive Accessory and the Drive Governor and Magneto, ensuring that all components receive the necessary power to function correctly.

Governor and Fuel Systems

The Accessory Drive Gear also interacts with the Governor, Fuel, and Mechanical Governor Drive systems. It helps in maintaining the engine’s speed and fuel delivery, which are essential for efficient engine operation.

Comprehensive Integration

Overall, the Accessory Drive Gear (part 123128) is a fundamental component in the integration of various engine systems. Its role in power transmission and synchronization is essential for the efficient and reliable operation of the engine and its accessories.

Conclusion

The Cummins Accessory Drive Gear 123128 plays a significant role in the operation of commercial trucks by facilitating the function of various engine accessories. Its durable construction, precise design, and reliable performance contribute to the overall efficiency and reliability of the truck’s operation. Regular maintenance and prompt troubleshooting of common issues are essential for ensuring the longevity and optimal performance of this critical component.