2899736
Idler Gear
Cummins®

IN STOCK

Cummins®

1 is currently available

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$3,099.95 $3,688.94

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 2899736 Idler Gear is a component designed for use in commercial trucks. It serves a specific function within the truck’s drivetrain system, contributing to the efficient operation of the vehicle. Understanding its purpose and significance is important for maintaining and optimizing truck performance.

Basic Concepts of Idler Gears

An idler gear is a type of gear used in gear systems to transmit motion between two or more gears. It does not directly contribute to the power transmission but plays a role in maintaining the proper alignment and tension within the drivetrain. By being positioned between other gears, an idler gear ensures that the meshing of gears remains consistent, which is vital for the smooth operation of the system 1.

Purpose of the 2899736 Idler Gear

The Cummins 2899736 Idler Gear is specifically designed to operate within the gear system of a truck. Its role is to maintain the correct spacing and alignment between other gears, ensuring that the power transmission from the engine to the wheels is efficient and consistent. This gear contributes to the overall performance of the vehicle by helping to reduce wear on other components and ensuring that the drivetrain operates smoothly.

Key Features

The Cummins 2899736 Idler Gear is characterized by its robust design and the materials used in its construction. It is made from high-quality materials that offer durability and resistance to wear. The gear’s design includes precise machining to ensure it fits correctly within the gear system and operates efficiently. These features contribute to the gear’s performance and longevity.

Benefits of Using the 2899736 Idler Gear

Using the Cummins 2899736 Idler Gear offers several benefits. It contributes to improved efficiency within the drivetrain by ensuring that gears mesh properly. This can lead to reduced wear on other components, as the idler gear helps to distribute the load evenly. Additionally, the gear enhances the reliability of the drivetrain system, contributing to the overall performance and longevity of the truck.

Installation and Compatibility

Proper installation of the Cummins 2899736 Idler Gear is important for ensuring it functions correctly within the truck’s drivetrain. Installation procedures should follow manufacturer guidelines to ensure the gear is securely positioned and aligned with other components. Compatibility with various truck models and drivetrain configurations should be considered to ensure the gear fits and operates as intended.

Maintenance and Troubleshooting

Maintaining the Cummins 2899736 Idler Gear is important for ensuring its optimal performance and longevity. Regular inspections and lubrication can help prevent wear and ensure the gear operates smoothly. Common issues with idler gears may include misalignment or wear, which can be addressed through proper maintenance and, if necessary, replacement of the gear.

Performance Enhancements

The Cummins 2899736 Idler Gear contributes to overall truck performance in several ways. By ensuring proper alignment and tension within the drivetrain, it helps to improve fuel efficiency and power transmission. Additionally, the gear plays a role in maintaining drivetrain stability, which is important for the safe and efficient operation of the vehicle.

Cummins Overview

Cummins Inc. is a well-established company in the automotive industry, known for its high-quality components and commitment to innovation. With a history of producing reliable and efficient parts, Cummins has built a reputation for excellence. The company’s dedication to quality is evident in its products, including the Cummins 2899736 Idler Gear, which is designed to meet the demanding requirements of commercial truck applications 2.

Idler Gear 2899736 Compatibility with Cummins Engines

The Idler Gear part number 2899736, manufactured by Cummins, is designed to fit a variety of their engine models. This component is integral to the proper functioning of the engine’s timing system, ensuring that the various moving parts are synchronized correctly.

ISX12 Series

The Idler Gear 2899736 is compatible with the following ISX12 engines:

  • ISX12 CM2350 X102
  • ISX12 G CM2180 EJ
  • ISX12/ISX11.9 CM2250

These engines are part of the ISX12 series, known for their robust performance and reliability in heavy-duty applications.

ISZ13 Series

The Idler Gear 2899736 also fits the ISZ13 engine:

  • ISZ13 CM2150 Z105

This engine is part of the ISZ13 series, which is designed for applications requiring high torque and durability.

QSX11.9 Series

The Idler Gear 2899736 is compatible with the following QSX11.9 engine:

  • QSX11.9 CM2250 ECF

This engine is part of the QSX11.9 series, which is engineered for medium-duty applications with a focus on fuel efficiency and performance.

QSZ13 Series

The Idler Gear 2899736 fits the QSZ13 engine:

  • QSZ13 CM2150 Z102

This engine is part of the QSZ13 series, designed for applications that require a balance of power and efficiency.

Each of these engines benefits from the precise fit and function of the Idler Gear 2899736, ensuring optimal performance and longevity.

Understanding the Role of Part 2899736 Idler Gear in Engine Systems

Part 2899736, the Idler Gear, is a component in the efficient operation of various engine systems. Its primary function is to maintain the proper tension and alignment of the timing belt or chain, ensuring smooth and reliable power transmission between the crankshaft and camshaft.

Interaction with Gear Housing

The Idler Gear is strategically positioned within the gear housing, a protective enclosure that houses the timing mechanism. The gear housing not only safeguards the internal components from external contaminants but also provides a stable environment for the Idler Gear to operate. The Idler Gear’s role here is to keep the timing belt or chain taut, preventing slippage and ensuring consistent timing between the engine’s rotating components.

Contribution to Rear Gear Functionality

In systems where a rear gear is present, the Idler Gear plays a significant role in facilitating the transfer of power. The rear gear, often responsible for driving ancillary components such as the water pump or oil pump, relies on the precise timing and tension maintained by the Idler Gear. This ensures that these components receive the necessary power at the correct intervals, contributing to the overall efficiency and reliability of the engine.

Overall System Integration

Beyond its direct interactions, the Idler Gear indirectly supports the harmonious operation of the entire engine system. By ensuring that the timing belt or chain remains properly tensioned and aligned, it helps prevent wear and tear on other components, such as the crankshaft and camshaft. This, in turn, contributes to the longevity and performance of the engine.

Conclusion

In summary, the Cummins 2899736 Idler Gear is a vital component that enhances the functionality and reliability of engine systems through its interactions with the gear housing and rear gear, among other components. Its robust design, precise machining, and compatibility with various Cummins engines make it an essential part for maintaining and optimizing the performance of commercial trucks.


  1. Dixon, John C. Tyres Suspension and Handling Second Edition. SAE International, 1996.

  2. Lakshminarayanan, P. A., and Avinash Kumar. Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer Nature, 2020.

SPECIFICATIONS

Package Dimensions
8.6 x 8.3 x 5.75 in
Weight
8.45 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.