3696464
Idler Gear
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$269.95 $321.24

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 3696464 Idler Gear is a component designed to facilitate the smooth operation of gear systems in commercial trucks. Its purpose is to maintain proper alignment and spacing between gears, ensuring efficient power transmission. The significance of this part lies in its contribution to the overall reliability and performance of the truck’s drivetrain.

Basic Concepts of Idler Gears

An idler gear is a type of gear used in mechanical systems to transmit motion between two non-adjacent gears. It functions by meshing with both the driving and driven gears, allowing for the maintenance of proper gear alignment and spacing. This setup is particularly useful in systems where direct gear meshing is not feasible due to distance or orientation constraints. Idler gears find applications in various mechanical systems, including automotive transmissions, industrial machinery, and mechanical clocks 1.

Role of the 3696464 Idler Gear in Truck Operation

The 3696464 Idler Gear plays a specific role in the operation of a truck by ensuring the proper engagement and alignment of gears within the transmission system. It interacts with both the input and output gears, maintaining the correct spacing and alignment. This interaction contributes to the overall efficiency and performance of the vehicle by ensuring smooth gear shifts and reducing the likelihood of gear wear or failure.

Key Features of the 3696464 Idler Gear

The design and construction of the 3696464 Idler Gear incorporate several features that enhance its performance and durability. These include a robust material composition, typically a high-strength alloy, which provides resistance to wear and fatigue. The tooth profile of the gear is precision-machined to ensure optimal meshing with adjacent gears, reducing friction and noise. Additionally, the mounting configuration is designed to allow for easy installation and alignment within the gear system.

Benefits of Using the 3696464 Idler Gear

The use of the 3696464 Idler Gear offers several advantages. It improves gear mesh by maintaining proper alignment and spacing, which leads to smoother operation and reduced noise. Additionally, it helps in reducing wear on other components by ensuring that the load is evenly distributed across the gear teeth. Enhanced transmission efficiency is another benefit, as the idler gear allows for better power transmission with minimal loss.

Installation and Integration

Proper installation of the 3696464 Idler Gear involves several steps to ensure it functions correctly within the gear system. Preparations include cleaning the gear housing and inspecting the mating surfaces for any damage. Alignment checks are crucial to ensure that the idler gear is properly positioned between the driving and driven gears. Integration with the existing gear system requires careful attention to ensure that all components are correctly aligned and secured.

Maintenance and Troubleshooting

Routine maintenance practices are essential to ensure the longevity and optimal performance of the 3696464 Idler Gear. Regular inspections for signs of wear or damage, lubrication of gear teeth, and ensuring proper alignment are key maintenance tasks. Common issues that may arise include gear noise, difficulty in shifting, or increased wear on adjacent gears. Troubleshooting steps may involve re-aligning the idler gear, replacing worn components, or adjusting the gear mesh.

Performance Enhancements

Potential upgrades or modifications to the 3696464 Idler Gear can further enhance truck performance. These may include the use of higher-grade materials for increased durability, specialized coatings to reduce friction and wear, or custom tooth profiles for improved gear mesh. Such enhancements can lead to better overall performance and reliability of the truck’s transmission system.

Cummins Corporation 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 strong reputation in the commercial truck industry for producing high-quality, reliable components. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicles.

Idler Gear 3696464 Compatibility with Cummins Engines

The Idler Gear 3696464, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part plays a role in the engine’s operation by ensuring the proper alignment and function of the timing system. Below is a detailed breakdown of the engines with which this idler gear is compatible:

ISG11 CM2880 G108 and ISG12 CM2880 G107

The Idler Gear 3696464 is compatible with the ISG11 CM2880 G108 and ISG12 CM2880 G107 engines. These engines are part of the Cummins ISG series, known for their reliability and efficiency in various industrial applications. The idler gear ensures that the timing components operate smoothly, maintaining the engine’s performance and longevity.

ISG12 G CMOH6.0 G111

This engine, the ISG12 G CMOH6.0 G111, also fits the Idler Gear 3696464. It is another variant in the ISG series, designed to deliver robust performance in demanding environments. The idler gear’s role here is to maintain precise timing, which is important for the engine’s efficiency and reliability.

QSG12 CM2880 G112 and QSG12/X12 CM2350 G110

The Idler Gear 3696464 is also compatible with the QSG12 CM2880 G112 and QSG12/X12 CM2350 G110 engines. These engines are part of the QSG series, known for their versatility and adaptability in various applications. The idler gear ensures that the timing mechanism functions correctly, contributing to the engine’s overall performance.

X11 CM2670 X126B and X12 CM2350 X119B

The Idler Gear 3696464 fits the X11 CM2670 X126B and X12 CM2350 X119B engines. These engines are part of the X series, designed for high-performance applications. The idler gear is important in maintaining the timing system’s integrity, ensuring that the engine runs smoothly and efficiently.

X12 CM2670 X121B and X12N CMMDG1 X143B

The Idler Gear 3696464 is compatible with the X12 CM2670 X121B and X12N CMMDG1 X143B engines. These engines are part of the X series, known for their durability and power. The idler gear ensures that the timing components are correctly aligned, which is vital for the engine’s performance and longevity.

X13 CM2670 X122B

Lastly, the Idler Gear 3696464 fits the X13 CM2670 X122B engine. This engine is part of the X series, designed for high-performance and heavy-duty applications. The idler gear’s role is to maintain the timing system’s precision, contributing to the engine’s overall efficiency and reliability.

Role of Part 3696464 Idler Gear in Engine Systems

The 3696464 Idler Gear is a component in the synchronization and operation of various engine systems. Its primary function is to maintain the correct timing and tension within the engine’s timing mechanism.

In the context of the engine block, the idler gear works in conjunction with the camshaft and crankshaft to ensure that the valves open and close at the precise moments relative to the piston’s position. This coordination is vital for the engine’s efficiency and performance. The idler gear helps in distributing the rotational force evenly, reducing wear and tear on other components.

Within the cylinder assembly, the idler gear plays a role in the valve train system. It assists in maintaining the proper alignment and tension of the timing belt or chain, which is critical for the accurate operation of the intake and exhaust valves. This ensures that the air-fuel mixture is introduced into the cylinder at the optimal time, and exhaust gases are expelled efficiently.

Overall, the 3696464 Idler Gear contributes to the smooth and reliable operation of the engine by ensuring that all moving parts work in harmony, thereby enhancing the engine’s durability and performance.

Conclusion

The Cummins 3696464 Idler Gear is a critical component in the efficient operation of commercial truck transmissions and engine systems. Its role in maintaining proper gear alignment and timing ensures smooth operation, reduces wear on other components, and enhances overall performance. Proper installation, maintenance, and potential upgrades can further optimize the functionality and longevity of this Cummins part.


  1. Fischer, R., Kucukay, F., Jurgens, G., Najork, R., & Pollak, B. (2015). The Automotive Transmission Book Powertrain. Springer.

SPECIFICATIONS

Package Dimensions
15.2 x 15.2 x 3.8 in
Weight
1.33 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.