3687790
Double End Plain Stud
Cummins®

The Double End Plain Stud, identified by Part #3687790, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This part holds significance in the maintenance and operation of commercial trucks, particularly in ensuring the integrity and efficiency of the truck’s mechanical systems ¹.

Basic Concepts and Functionality

A Double End Plain Stud is a type of fastener designed with threads on both ends, allowing it to be screwed into two separate components. In the context of a truck’s mechanical system, it serves as a link between various parts, facilitating the transfer of force and ensuring components remain securely in place. Its application in heavy-duty trucks is particularly notable due to the demanding conditions under which these vehicles operate ².

Role and Purpose

This Cummins part plays a role in the operation of a truck by connecting components within the engine and other mechanical systems. It ensures structural integrity by providing a strong, reliable connection point that can withstand the vibrations and stresses associated with heavy-duty truck use. This part is integral to maintaining the alignment and operational efficiency of connected components ³.

Key Features

The 3687790 Double End Plain Stud is characterized by several key features that enhance its performance and durability. These include its material composition, typically a high-strength alloy that resists corrosion and wear, precise thread specifications that ensure a secure fit, and a design that minimizes the risk of loosening under dynamic conditions. These features contribute to the stud’s reliability and longevity in demanding applications ⁴.

Benefits

Utilizing the 3687790 Double End Plain Stud offers several advantages. Its design and material composition contribute to improved reliability, reducing the likelihood of failure under stress. The stud’s ease of installation is another benefit, allowing for quick replacement or upgrade of components without the need for specialized tools. Additionally, its compatibility with various truck models makes it a versatile choice for fleet maintenance.

Installation Process

Proper installation of the 3687790 Double End Plain Stud involves several steps to ensure optimal performance and safety. Begin by cleaning the installation area to remove any debris or old fasteners. Apply a thread locker to the threads of the stud to prevent loosening. Carefully screw the stud into place, ensuring it is aligned correctly with the components it connects. Use a torque wrench to tighten the stud to the manufacturer’s specified torque settings, avoiding over-tightening which could damage the threads or the components.

Troubleshooting and Maintenance

Common issues with the 3687790 Double End Plain Stud may include loosening over time due to vibrations or corrosion. Regular inspections during maintenance checks can help identify these issues early. If loosening is detected, the stud should be re-tightened to the specified torque or replaced if damage is present. Corrosion can be mitigated by applying a protective coating or using studs made from corrosion-resistant materials.

Safety Considerations

When working with the 3687790 Double End Plain Stud, it is important to observe several safety guidelines. Ensure the truck is securely parked on a level surface before beginning any work. Use the correct tools and follow torque specifications to avoid damaging the stud or connected components. Be mindful of environmental factors such as temperature and humidity, which can affect the performance and longevity of the stud.

Cummins 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 reputation for quality and innovation in the commercial truck industry. Its product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications.

Cummins Engine Compatibility with Part 3687790

The Double End Plain Stud, part number 3687790, manufactured by Cummins, is a critical component that fits seamlessly with a variety of Cummins engine models. This part is designed to ensure robust and reliable performance across different engine configurations.

ISX12 Series

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

This part is integral to the ISX12 series engines, providing a secure connection between various engine components. This ensures that the engine operates smoothly and efficiently, maintaining structural integrity under high stress conditions.

ISX15 Series

• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101

In the ISX15 series, this Cummins part is essential for maintaining the alignment and stability of the engine’s internal components. Its precise fitment guarantees that the engine can withstand the rigors of heavy-duty operations, ensuring longevity and reliability.

QSX Series

• QSX11.9 CM2250 ECF
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

For the QSX series engines, the Double End Plain Stud plays a crucial role in the engine’s assembly. It is designed to fit perfectly with the unique specifications of these models, providing a strong and reliable connection that is vital for the engine’s performance.

X15 Series

• X15 CM2350 X116B
• X15 CM2350 X123B

In the X15 series, the Double End Plain Stud is engineered to meet the stringent requirements of these high-performance engines. Its compatibility with these models ensures that the engine can operate at peak efficiency, withstanding the demands of heavy-duty applications.

Each of these engines benefits from the Double End Plain Stud’s precision engineering, ensuring that it fits perfectly and performs reliably under a variety of operating conditions.

Role of Part 3687790 Double End Plain Stud in Engine Systems

Air Compressor Integration

The Double End Plain Stud, part 3687790, is instrumental in the assembly and operation of the air compressor within engine systems. It secures various components, ensuring that the air compressor functions efficiently. By providing a stable connection point, it allows the air compressor to maintain consistent pressure levels, which is essential for the proper operation of the engine’s pneumatic systems. This stud helps in distributing the load evenly, reducing the risk of component failure under high-pressure conditions.

Front Gear Cover Assembly

In the front gear cover assembly, the Double End Plain Stud plays a significant role in maintaining the structural integrity of the engine. It is used to fasten the front gear cover to the engine block, ensuring that all internal components remain aligned and securely in place. This alignment is vital for the smooth operation of the gear system, which in turn affects the overall performance and reliability of the engine. The stud’s design allows for easy installation and removal, facilitating maintenance and repair processes without compromising the engine’s structural stability.

Conclusion

The 3687790 Double End Plain Stud is a vital component in the maintenance and operation of commercial trucks, particularly in ensuring the integrity and efficiency of the truck’s mechanical systems. Its design, material composition, and precise fitment make it a reliable and durable choice for heavy-duty applications. Proper installation, regular maintenance, and adherence to safety guidelines are essential to maximize the benefits of this Cummins part.