3963834
Gear Housing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$679.95 $809.14

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 3963834 Gear Housing is a component designed for use in commercial trucks. It serves a significant role in the operation of these vehicles by providing a secure enclosure for the gears within the drivetrain. Understanding its purpose and functionality is key to appreciating its importance in maintaining the efficiency and reliability of truck operations 1.

Basic Concepts of Gear Housing

A gear housing is a protective enclosure that houses the gears within a vehicle’s drivetrain. Its primary functions include safeguarding the gears from external contaminants, containing lubrication, and supporting the structural integrity of the drivetrain. In the context of a truck, the gear housing integrates seamlessly with other components to ensure smooth power transmission from the engine to the wheels 2.

Purpose of the Cummins 3963834 Gear Housing

The Cummins 3963834 Gear Housing plays a role in the operation of a truck by enclosing and protecting the gears. This protection is vital for preventing damage from debris, moisture, and other environmental factors. Additionally, it helps in maintaining the lubrication system that reduces friction and wear between moving parts, contributing to the overall efficiency of the drivetrain 3.

Key Features

The Cummins 3963834 Gear Housing is characterized by its robust design and the use of high-quality materials. These features enhance its performance and durability. The housing is engineered to withstand the rigors of commercial truck operations, ensuring long-term reliability. Unique attributes may include precision machining for optimal fit and function, as well as design elements that facilitate easy maintenance and repair.

Benefits

The Cummins 3963834 Gear Housing offers several benefits, including improved gear protection, which leads to reduced wear and tear. Its durable construction contributes to the longevity of the drivetrain components. Furthermore, by ensuring that gears operate within a well-lubricated and contaminant-free environment, it plays a part in enhancing the overall efficiency of the truck’s drivetrain.

Installation Process

Installing the Cummins 3963834 Gear Housing involves several steps to ensure proper fit and function. It is important to follow manufacturer guidelines for torque specifications and alignment to avoid damage during installation. Best practices include thorough cleaning of mating surfaces and the application of appropriate gaskets or sealants to ensure a secure and leak-free connection.

Common Issues and Troubleshooting

Common issues with the Cummins 3963834 Gear Housing may include leaks, gear noise, or difficulty in shifting. Troubleshooting these problems often involves inspecting seals and gaskets for wear, checking lubrication levels, and ensuring that all components are properly aligned and secured. Addressing these issues promptly can prevent further damage and maintain the efficiency of the drivetrain.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 3963834 Gear Housing, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, ensuring that lubrication levels are adequate, and replacing seals or gaskets as needed. Adhering to these maintenance practices can help in identifying potential issues before they lead to significant problems.

Manufacturer - Cummins

Cummins Inc. is a well-regarded manufacturer in the automotive and heavy-duty truck parts industry. With a history of innovation and quality, Cummins is known for its commitment to producing reliable and high-performance components. The company’s reputation is built on a foundation of engineering excellence and a dedication to meeting the needs of its customers in the commercial vehicle sector.

Gear Housing Part 3963834 Compatibility with Cummins Engines

The Gear Housing part number 3963834, manufactured by Cummins, is designed to fit seamlessly with a range of Cummins engines, ensuring optimal performance and reliability. This part is integral to the engine’s operation, providing a secure housing for the gears that manage the transmission of power within the engine.

4B3.9 Engine

For the 4B3.9 engine, the Gear Housing part 3963834 plays a role in maintaining the integrity of the gear system. This engine is known for its robust design and efficiency, and the gear housing ensures that the gears operate smoothly, reducing wear and tear and extending the engine’s lifespan.

6B5.9 Engine

Similarly, in the 6B5.9 engine, the Gear Housing part 3963834 is essential for the proper functioning of the gear system. This engine variant is recognized for its power and reliability, and the gear housing is engineered to withstand the demands of high-performance operations. The part’s precision fit ensures that the gears are protected and operate efficiently, contributing to the overall durability of the engine.

Grouping of Engines

Both the 4B3.9 and 6B5.9 engines benefit from the use of the Gear Housing part 3963834. While these engines may have different specifications and applications, the gear housing’s design allows it to be compatible with both, ensuring that the critical components are housed securely and function as intended. This compatibility highlights the versatility and robustness of the part, making it a reliable choice for maintaining the performance of these engines.

Role of Part 3963834 Gear Housing in Engine Systems

Part 3963834 Gear Housing is an integral component in the assembly and operation of various engine systems. It serves as the protective enclosure for the front gear, ensuring that the gear operates within a controlled environment. The gear housing is designed to maintain the alignment and integrity of the front gear, which is essential for the smooth transmission of power from the engine to other mechanical components.

The housing interacts closely with the engine cover, which acts as the outer shell that provides additional protection and sealing for the internal components. The cover is typically bolted or secured to the gear housing, creating a sealed unit that prevents contaminants from entering the system and lubricants from leaking out. This sealing is vital for maintaining the efficiency and longevity of the front gear and other moving parts within the housing.

Furthermore, the gear housing must be precisely machined to accommodate the front gear without any play or excessive friction. This ensures that the gear can rotate freely and transmit power efficiently. The housing also often includes provisions for lubrication, such as oil passages or grease fittings, to keep the front gear well-lubricated during operation.

In summary, part 3963834 Gear Housing plays a role in protecting and supporting the front gear within engine systems. Its design and integration with the engine cover are essential for the reliable operation and maintenance of the engine’s mechanical components.

Conclusion

The Cummins 3963834 Gear Housing is a critical component in the drivetrain of commercial trucks, offering protection, efficiency, and reliability. Its robust design, compatibility with various Cummins engines, and role in maintaining the integrity of the gear system make it an indispensable part of truck operations. Regular maintenance and proper installation are key to ensuring its longevity and optimal performance.


  1. Hiereth, H., Prenninger, P., & Drexl, K. W. (2010). Charging the Internal Combustion Engine. Springer.

  2. Barton, D. C., & Fieldhouse, J. D. (2009). Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body. Elsevier.

  3. Cummins Inc. (n.d.). QSK50 CM2350 K108 Service Manual (4332823).

SPECIFICATIONS

Package Dimensions
23.3 x 22.8 x 3.5 in
Weight
8.79 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.