3094454
Accessory Drive Gear
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$699.95 $832.94

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 3094454 Accessory Drive Gear is a component designed for use in commercial trucks. It serves a significant role in the operation of these vehicles by facilitating the function of various engine accessories. Understanding its purpose and significance can help fleet operators and technicians maintain and optimize truck performance.

Basic Concepts of Accessory Drive Gear

An Accessory Drive Gear is a component within a truck’s engine system that transfers rotational force from the engine to various accessories such as alternators, water pumps, and air conditioning compressors. It operates by meshing with other gears or pulleys, ensuring that these accessories receive the necessary power to function correctly. The efficiency and reliability of the accessory drive system are vital for the overall performance of the truck 1.

Purpose of the Cummins 3094454 Accessory Drive Gear

This Cummins part plays a role in the operation of a truck by driving various engine accessories. It ensures that these components receive the necessary power to operate efficiently. This gear is integral to maintaining the functionality of systems that support engine operation, such as cooling and electrical systems.

Key Features

The 3094454 is characterized by its robust design and the materials used in its construction. It is engineered to withstand the high stresses and temperatures encountered in commercial truck engines. Unique characteristics such as precision machining and heat treatment enhance its performance and durability, ensuring long-term reliability in demanding applications 2.

Benefits

The Accessory Drive Gear offers several benefits, including improved efficiency and reliability. Its design contributes to smoother operation of engine accessories, which can lead to enhanced overall engine performance. Additionally, the durability of this gear can result in potential cost savings for fleet operators by reducing the frequency of replacements and repairs 3.

Installation and Compatibility

Proper installation of this part is important for ensuring optimal performance. Specific procedures should be followed to integrate this component with the truck’s engine system. Considerations for different truck models may include alignment checks and torque specifications to ensure compatibility and correct function 4.

Maintenance and Troubleshooting

Maintaining the Accessory Drive Gear involves regular inspections to identify wear or damage. Common issues to monitor include noise during operation, which may indicate misalignment or wear. Troubleshooting tips can include checking for proper tension in belts or chains connected to the gear and ensuring that all connected accessories are functioning correctly 5.

Performance and Efficiency

This part contributes to the overall performance and efficiency of the truck’s engine system. By ensuring that engine accessories operate smoothly, it can help in achieving measurable improvements in fuel economy and power output. Its role in the accessory drive system is fundamental to maintaining the balance and efficiency of the engine’s auxiliary systems.

Cummins Overview

Cummins Inc. is a well-established manufacturer with a history of producing high-quality automotive components. The company is recognized for its commitment to innovation and quality in the industry. Cummins’ reputation is built on a foundation of reliable products that meet the demanding requirements of commercial vehicle applications.

Accessory Drive Gear Compatibility with Cummins Engines

The Accessory Drive Gear part number 3094454, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is crucial for the proper functioning of the engine’s accessory drive system, ensuring that components such as the alternator, water pump, and air conditioning compressor operate efficiently.

QST30 CM2350 T101 and QST30 CM552

The Accessory Drive Gear 3094454 is compatible with the QST30 CM2350 T101 and QST30 CM552 engines. These engines are part of Cummins’ QST30 series, which is known for its reliability and performance in various applications. The Accessory Drive Gear ensures that the engine’s accessories are driven at the correct speed and with the necessary precision, contributing to the overall efficiency and longevity of the engine.

Installation and Functionality

When installing the Accessory Drive Gear 3094454, it is essential to follow the manufacturer’s guidelines to ensure a proper fit and function. This part interfaces with the engine’s crankshaft and the accessory drive belt, ensuring that the accessories receive the necessary power and rotation. Proper installation is critical to avoid any potential issues such as belt slippage, accessory malfunction, or engine damage.

Importance of Compatibility

Ensuring that the Accessory Drive Gear 3094454 is compatible with the specific engine model is vital. Cummins has designed this part to work specifically with the QST30 CM2350 T101 and QST30 CM552 engines, taking into account the unique specifications and requirements of these models. Using the correct part number guarantees that the gear will fit correctly and perform as intended, maintaining the engine’s operational integrity.

Role of Part 3094454 Accessory Drive Gear in Engine Systems

The Accessory Drive Gear, identified by part number 3094454, is integral to the efficient operation of various engine systems. It is a key component in the accessory drive system, which is responsible for transferring rotational power from the engine to auxiliary components.

Accessory Drive System

In the accessory drive system, the Accessory Drive Gear meshes with other gears to transmit power. This power is essential for driving components such as the compressor, auxiliary pump, and front gear train accessory.

Compressor and Air System

The compressor, a vital part of the air system, relies on the accessory drive to function. The Accessory Drive Gear ensures that the compressor receives the necessary rotational force to compress air, which is then used in various engine processes, including cooling and pneumatic systems.

Auxiliary Pump and Drive

The auxiliary pump, often used for lubrication or hydraulic functions, is another component driven by the Accessory Drive Gear. This gear provides the consistent rotational power needed for the pump to operate efficiently, ensuring that lubricants or hydraulic fluids are circulated properly throughout the engine system.

Front Gear Train Accessory

The front gear train accessory is part of a more complex gear system that distributes power to multiple accessories. The Accessory Drive Gear plays a role in this distribution, ensuring that each accessory receives the appropriate amount of power to function correctly.

Auxiliary Cooling System

In engines equipped with an auxiliary cooling system, the Accessory Drive Gear is responsible for powering the cooling pump. This ensures that the engine maintains optimal operating temperatures, preventing overheating and potential damage.

Integration and Functionality

The Accessory Drive Gear, part 3094454, is a linchpin in the accessory drive support structure. Its role in transferring power to various engine components like the compressor, auxiliary pump, and cooling system underscores its importance in maintaining the overall efficiency and reliability of the engine system.

Conclusion

The Cummins 3094454 Accessory Drive Gear is a critical component in the operation of commercial truck engines. Its robust design, precision machining, and heat treatment contribute to its durability and efficiency. Proper installation, regular maintenance, and understanding its role in the accessory drive system are essential for optimizing truck performance and ensuring the reliability of engine accessories.


  1. Hick, H., Kupper, K., & Sorger, H. (2021). Systems Engineering for Automotive Powertrain Development. Springer.

  2. Huang, M. (2002). Vehicle Crash Dynamics. CRC Press.

  3. Limpert, R. (2011). Brake Design and Safety, Third Edition. SAE International.

  4. Reif, K. (2015). Automotive Mechatronics. Springer Vieweg.

  5. Cummins Inc. (n.d.). Operation and Maintenance Manual. Bulletin Number 4022191.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
4.25 x 2.5 x 5.5 in
Weight
3.1 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.