3937122
Double End Plain Stud
Cummins®

Introduction

The Double End Plain Stud part #3937122, manufactured by Cummins, is a specialized component designed for use in commercial trucks. This part is integral to the mechanical systems of these vehicles, ensuring reliable performance and durability under demanding conditions.

Basic Concepts

A Double End Plain Stud is a type of fastener characterized by having threaded sections on both ends, with a plain, unthreaded section in the middle. This design allows it to be used in various mechanical applications where secure fastening is required. The stud is typically made from high-strength materials to withstand significant stress and load. It functions by being inserted through holes in components and secured with nuts on both ends, providing a robust connection that can endure vibrations and dynamic loads common in truck operations ¹.

Role in Truck Operation

In the context of a truck’s mechanical system, the Double End Plain Stud part #3937122 plays a significant role by securing critical components together. It is often used in engine assemblies, transmission systems, and other areas where strong, reliable fastening is necessary. The stud ensures that parts remain firmly attached, which is vital for the overall integrity and performance of the truck’s mechanical systems. Its integration within these components helps maintain alignment and structural stability, contributing to the efficient operation of the vehicle ².

Key Features

The Double End Plain Stud part #3937122 boasts several key features that enhance its performance and durability. It is constructed from high-quality materials, typically alloy steel, which provides excellent strength and resistance to wear. The thread specifications are designed to ensure a secure fit, while the plain central section allows for easy installation and removal. Additionally, the stud is treated to resist corrosion, extending its service life in harsh operating environments.

Benefits

The advantages of using the Double End Plain Stud part #3937122 include improved mechanical stability, ease of installation, and enhanced resistance to wear and corrosion. Its robust construction ensures that it can withstand the high stresses and dynamic loads encountered in commercial truck applications. The ease of installation allows for quick maintenance and repair, minimizing downtime. Furthermore, its corrosion-resistant properties help maintain performance over time, even in challenging conditions.

Troubleshooting and Maintenance

Common issues associated with Double End Plain Studs may include loosening over time due to vibrations or wear on the threads. To address these problems, regular inspections are recommended to ensure that the studs remain tight and secure. If loosening is detected, re-tightening or replacing the stud may be necessary. Additionally, applying a thread locker compound can help prevent loosening. Proper maintenance practices, such as keeping the studs clean and free of debris, will contribute to their longevity and reliable performance.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and related components. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing high-quality, reliable products. Their extensive product range and commitment to innovation have made them a trusted name among fleet operators and maintenance professionals.

Cummins Double End Plain Stud 3937122 Compatibility

The Cummins Double End Plain Stud part number 3937122 is a versatile component that fits a wide range of Cummins engines. This part is designed to provide robust and reliable performance, ensuring secure connections in various engine configurations. Here is a detailed look at the engines with which this part is compatible:

B Series Engines

• B4.5, B4.5 CM2350 B129B
• B5.6 CM2670 B152B
• B5.9, B5.9 GAS PLUS CM556
• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• B6.7 G CMOH6.0 B125

C Series Engines

• C GAS PLUS CM556
• C8.3 G

D Series Engines

• D4.0 CM2620 D103B

F Series Engines

• F4.5 CM2620 F139B

G Series Engines

• G8.3
• GTA8.3 CM558

ISB Series Engines

• ISB CM2150
• ISB CM550
• ISB CM850
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB4.5 CM2350 B104
• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B140

This part is engineered to meet the rigorous demands of Cummins engines, ensuring durability and reliability in various operational conditions. Its compatibility across multiple engine series highlights its versatility and importance in maintaining the integrity of engine connections.

Role of Part 3937122 Double End Plain Stud in Engine Systems

The Double End Plain Stud part #3937122 is integral in securing and maintaining the structural integrity of various engine components. It is utilized in the attachment of the starting motor mounting to the engine block, ensuring a stable and reliable connection that is essential for the operation of the starting motor.

In the compressor system, this stud plays a part in the secure mounting of the compressor to the engine, facilitating efficient air compression which is vital for the air conditioning system and other pneumatic functions within the engine.

The stud is also employed in the assembly of the front gear and drive components. It aids in the precise mounting of the front gear train accessory, ensuring that the gear train operates smoothly and efficiently, which is fundamental for the transmission of power within the engine.

Furthermore, the rear gear train accessory mounting benefits from the use of this stud, contributing to the overall stability and performance of the gear train system.

In the context of the starting motor, the stud is used to secure the motor in place, allowing for consistent and reliable engine starts. Similarly, in the pump systems, whether it be the auxiliary pump or the vacuum pump, the stud ensures that these components are firmly attached, enabling them to function without undue vibration or movement that could lead to inefficiencies or damage.

Overall, the Double End Plain Stud part #3937122 is a key component in the secure and efficient operation of various engine systems, contributing to the durability and performance of the engine as a whole.

Conclusion

The Double End Plain Stud part #3937122 by Cummins is a critical component in the mechanical systems of commercial trucks. Its robust design, high-quality materials, and versatile compatibility with various Cummins engines make it an essential part for ensuring the reliable performance and durability of truck engines. Regular maintenance and proper use of this stud contribute to the longevity and efficiency of the vehicle’s mechanical systems.