4907341
Twelve Point Cap Screw
Cummins®

The 4907341 Twelve Point Cap Screw is a specialized fastener produced by Cummins, a leading manufacturer in the commercial vehicle industry. This component is significant in commercial truck applications due to its robust design and reliable performance under demanding conditions.

Basic Concepts of Twelve Point Cap Screws

A twelve point cap screw is a type of fastener characterized by its hexagonal socket head with twelve points, which provides a larger contact area compared to traditional six-point screws. This design reduces the risk of cam-out during tightening and offers better torque application. In the automotive industry, twelve point cap screws are commonly used in applications requiring high strength and resistance to loosening, such as in engine components, chassis assemblies, and other critical areas ¹.

Purpose of the 4907341 Twelve Point Cap Screw in Truck Operations

The 4907341 Twelve Point Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various applications within the truck’s structure and components, including engine mounts, transmission housings, and frame assemblies. Its primary function is to securely fasten components together, ensuring structural integrity and reliable performance under heavy loads and dynamic conditions.

Key Features

The 4907341 Twelve Point Cap Screw features a robust design with a twelve-point socket head, which enhances torque application and reduces the likelihood of cam-out. It is typically made from high-strength materials such as alloy steel, which provides excellent durability and resistance to wear. Additionally, the screw may have a zinc-plated or other corrosion-resistant coating to enhance its longevity in harsh operating environments ².

Benefits

The 4907341 Twelve Point Cap Screw offers several advantages in commercial truck applications. Its design allows for improved torque application, ensuring components are securely fastened. The twelve-point head reduces the risk of cam-out, making it easier to achieve the required torque without damaging the fastener. Furthermore, its high-strength material composition and corrosion-resistant coating contribute to its longevity, even in demanding conditions ³.

Installation Considerations

Proper installation of the 4907341 Twelve Point Cap Screw is crucial to ensure optimal performance and safety. It is recommended to use a torque wrench to achieve the specified torque values, ensuring the fastener is tightened to the manufacturer’s recommendations. Additionally, using the appropriate socket tool designed for twelve-point screws will help prevent damage to the fastener head during installation.

Troubleshooting Common Issues

Common issues associated with twelve point cap screws include loosening over time due to vibration or inadequate torque application. To address these problems, it is important to regularly inspect fasteners for signs of loosening and re-torque them as necessary. If a screw shows signs of wear or damage, it should be replaced to maintain the integrity of the assembly.

Maintenance Tips

To prolong the life of the 4907341 Twelve Point Cap Screw, regular maintenance practices are recommended. This includes periodic inspection of fasteners for signs of corrosion, wear, or loosening. Applying a thread locker compound can help prevent loosening due to vibration. Additionally, ensuring that all fasteners are tightened to the specified torque values during installation and maintenance will contribute to the longevity and reliability of the component.

Cummins: Manufacturer 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 vehicle industry for producing high-quality, reliable components. Their product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial applications.

Twelve Point Cap Screw 4907341 Compatibility with Cummins Engines

The Twelve Point Cap Screw 4907341, manufactured by Cummins, is a critical component in the assembly and maintenance of various Cummins engines. This part is designed to provide secure fastening in applications where high strength and durability are required.

ISX Series Engines

The ISX series engines, including the ISX CM570, ISX CM870, ISX CM871, ISX12 CM2350 X102, ISX12 G CM2180 EJ, ISX12/ISX11.9 CM2250, ISX15 CM2250, ISX15 CM2250 SN, and ISX15 CM2350 X101, all utilize the Twelve Point Cap Screw 4907341 in various applications. This screw is particularly suited for securing components in the engine’s internal and external structures, ensuring that parts remain tightly fastened under the high stress and vibrations typical of engine operation.

QSX Series Engines

The QSX11.9 CM2250 ECF and QSX15 CM2250 ECF engines also incorporate the Twelve Point Cap Screw 4907341. This screw is essential for maintaining the integrity of the engine’s components, particularly in areas where precise alignment and secure fastening are critical. The QSX series engines benefit from this screw’s ability to withstand the demanding conditions of heavy-duty operations.

X Series Engines

The X12 CM2350 X119B, X15 CM2350 X116B, X15 CM2350 X123B, and X15 CM2450 X134B engines are designed to handle extreme loads and conditions, and the Twelve Point Cap Screw 4907341 is integral to their construction. This screw is used in various applications, including securing engine mounts, brackets, and other critical components, ensuring that the engine remains stable and operational under heavy loads.

Part 4907341 Twelve Point Cap Screw Component Usage

The part 4907341 Twelve Point Cap Screw is instrumental in ensuring the secure attachment of various components within engine systems. Its primary role is to provide a robust fastening solution that can withstand the dynamic stresses and vibrations inherent in engine operation.

In the context of the starting motor mounting, the Twelve Point Cap Screw is utilized to firmly attach the starting motor to its designated mounting points. This secure attachment is essential for maintaining the alignment and stability of the starting motor, which is vital for the reliable initiation of engine start-up sequences.

Additionally, the screw plays a significant role in the overall motor mounting system. By ensuring that the motor is securely fastened to its frame or housing, the Twelve Point Cap Screw helps in distributing the operational loads evenly, thereby enhancing the durability and performance of the motor.

Furthermore, within the starting system, the screw is employed to connect various components that are critical to the starting process. This includes securing electrical connections, brackets, and other ancillary parts that support the starting motor’s function.

Conclusion

The 4907341 Twelve Point Cap Screw is a fundamental component in the secure attachment and reliable operation of starting motors and their associated mounting systems within engine environments. Its robust design, high-strength material, and compatibility with various Cummins engines make it an essential part for maintaining the integrity and performance of commercial trucks.