3863134
Hexagon Head Cap Screw
Cummins®

The 3863134 Hexagon Head Cap Screw is a specialized fastener produced by Cummins, a leading manufacturer in the commercial truck industry. This screw is designed for use in various applications within commercial trucks, ensuring secure and reliable fastening of components. Cummins is renowned for its commitment to quality and innovation, making this screw a trusted component in truck maintenance and operation ².

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using standard tools such as wrenches or sockets. These screws are commonly used in mechanical assemblies to secure components together. The hexagonal shape of the head provides a stable and consistent grip, reducing the risk of cam-out and ensuring even torque distribution during installation ¹.

Purpose of the 3863134 Hexagon Head Cap Screw in Trucks

This Cummins part plays a significant role in the operation and maintenance of commercial trucks. It is utilized in various truck systems, including the engine, transmission, and chassis, to secure critical components. This screw ensures that parts remain firmly in place under the demanding conditions encountered in commercial trucking, contributing to the overall reliability and performance of the vehicle ³.

Key Features

The 3863134 Hexagon Head Cap Screw boasts several key features that enhance its functionality and durability. Its hexagonal head design allows for easy and secure tightening with standard tools. The screw is composed of high-quality materials, typically steel alloys, which provide excellent strength and resistance to wear. The threading on the screw is precision-machined to ensure a tight and secure fit, while any unique attributes, such as a corrosion-resistant coating, further enhance its performance in harsh environments ².

Benefits

The 3863134 offers several benefits that make it an ideal choice for commercial truck applications. Its design provides improved fastening security, reducing the risk of loosening over time. The screw’s compatibility with standard tools simplifies installation and maintenance procedures. Additionally, its durable construction ensures long-lasting performance, even under the rigors of heavy-duty use ¹.

Installation Guidelines

Proper installation of the 3863134 is crucial for ensuring secure and effective fastening. Begin by selecting the appropriate size and type of screw for the application. Use a torque wrench to apply the recommended torque specifications, which can be found in the vehicle’s maintenance manual or on the packaging. Ensure that the screw is installed perpendicular to the surface to avoid cross-threading. Finally, double-check the tightness of the screw after initial installation to confirm a secure fit ³.

Troubleshooting and Maintenance

Common issues that may arise with the 3863134 include corrosion and stripping. To address corrosion, regularly inspect the screw and surrounding areas for signs of rust or damage. Applying a corrosion-resistant coating or lubricant can help prevent further deterioration. If stripping occurs, replace the damaged screw with a new one of the same specifications to maintain the integrity of the fastening. Regular maintenance, such as periodic tightening and inspection, can prolong the screw’s lifespan and ensure continued reliable performance ².

Cummins: Manufacturer Overview

Cummins Inc. is a globally recognized leader in the commercial truck industry, with a rich history of innovation and quality manufacturing. Founded in 1919, Cummins has grown to offer a wide range of products, including engines, filtration systems, and aftermarket parts. The company is renowned for its commitment to excellence, consistently delivering high-quality components that meet the demanding needs of commercial trucking. Cummins’ reputation for reliability and performance makes it a preferred choice among fleet operators and maintenance professionals ³.

Hexagon Head Cap Screw 3863134 in Cummins Engines

The Hexagon Head Cap Screw 3863134, manufactured by Cummins, is a crucial component in several of their engine models. This part is integral to the assembly and operation of various Cummins engines, ensuring secure fastening and stability.

4B3.9, 6B5.9, 6C8.3, B6.7 CM2350 B135B, F3.8 CM2350 F128C

These engines utilize the Hexagon Head Cap Screw 3863134 in their construction, particularly in areas requiring robust and reliable fastening. This screw is often used in the engine block, cylinder heads, and other critical assemblies where precision and strength are paramount ³.

ISC CM2150, ISL CM2150

In the ISC CM2150 and ISL CM2150 engines, the Hexagon Head Cap Screw 3863134 is employed to secure various components, ensuring that the engine operates smoothly and efficiently. This screw is critical in maintaining the structural integrity of the engine ³.

QSB4.5 CM2250 EC, QSB4.5 CM850 (CM2850), QSB6.7 CM2250, QSB6.7 CM2350 B105, QSB6.7 CM850 (CM2850), QSB7 CM2880 B117

The QSB series engines, including the QSB4.5 CM2250 EC, QSB4.5 CM850 (CM2850), QSB6.7 CM2250, QSB6.7 CM2350 B105, QSB6.7 CM850 (CM2850), and QSB7 CM2880 B117, all incorporate the Hexagon Head Cap Screw 3863134. This screw is essential in the assembly of these engines, providing the necessary fastening for various parts, including the engine block, cylinder heads, and other critical assemblies ³.

QSC8.3 CM554, QSC8.3 CM850 (CM2850), QSC9 CM2250/QSL9 CM2250

The QSC8.3 CM554 and QSC8.3 CM850 (CM2850) engines, as well as the QSC9 CM2250/QSL9 CM2250, utilize the Hexagon Head Cap Screw 3863134 for securing components. This screw is vital in maintaining the structural integrity and operational efficiency of these engines ³.

QSF3.8 CM2350 F107, QSL9 CM554, QSL9 CM850 (CM2850)

The QSF3.8 CM2350 F107, QSL9 CM554, and QSL9 CM850 (CM2850) engines also incorporate the Hexagon Head Cap Screw 3863134. This screw is used in various parts of these engines, ensuring that all components are securely fastened and the engine operates as intended ³.

Role of Part 3863134 Hexagon Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 3863134 Hexagon Head Cap Screw serves as a vital fastening component. Its primary function is to secure various modules and mountings, ensuring the structural integrity and operational efficiency of the engine ³.

Alternator Mounting

The alternator mounting is a key area where the Hexagon Head Cap Screw is employed. This screw is used to fasten the alternator to the engine block, providing a stable connection that is essential for the alternator’s function. A secure mounting ensures that the alternator can efficiently convert mechanical energy into electrical energy, powering the vehicle’s electrical systems ³.

Module Attachment

In engine control modules, the Hexagon Head Cap Screw plays a significant role in attaching the module to the engine or its housing. This secure attachment is necessary for the module to accurately monitor and control engine performance. The screw’s design allows for precise torque application, ensuring that the module remains firmly in place under varying engine conditions ³.

Engine Control Mounting

For engine control components, the Hexagon Head Cap Screw is utilized to mount sensors, actuators, and other control devices. These components require a stable and vibration-resistant mounting to function correctly. The screw’s hexagonal head provides a reliable grip for tools, facilitating easy installation and adjustment as needed ³.

General Mounting Applications

Beyond specific components, the Hexagon Head Cap Screw is widely used in various mounting applications throughout the engine system. Whether securing brackets, plates, or other structural elements, this screw ensures that all parts remain in their intended positions, contributing to the overall stability and performance of the engine ³.

Conclusion

The 3863134 Hexagon Head Cap Screw is a critical component in the maintenance and operation of commercial trucks, particularly in Cummins engines. Its design, featuring a hexagonal head and precision-machined threading, ensures secure and reliable fastening of various engine components. The screw’s compatibility with standard tools simplifies installation and maintenance, while its durable construction ensures long-lasting performance under heavy-duty conditions. Proper installation and regular maintenance are essential to maximize the screw’s lifespan and ensure the continued reliability of the engine system.