3081345
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw is a fundamental component in commercial truck maintenance, providing reliable fastening solutions for various applications. Manufactured by Cummins, a renowned name in the industry, the Hexagon Head Cap Screw with part number 3081345 is specifically designed for use in heavy-duty trucks. This part plays a role in ensuring the structural integrity and operational efficiency of commercial vehicles.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. The design of the cap screw includes a threaded shaft that engages with internal threads in the mating part, providing a secure fastening mechanism. In the automotive industry, cap screws are commonly used in applications requiring high tensile strength and resistance to vibration, such as engine components, chassis parts, and various mechanical assemblies ¹.

Purpose of the 3081345 Hexagon Head Cap Screw in Truck Operation

The 3081345 Hexagon Head Cap Screw is integral to the operation and maintenance of commercial trucks. It is typically employed in applications where secure and durable fastening is required, such as in the attachment of engine components, transmission parts, and chassis assemblies. The screw ensures that critical components remain firmly in place, contributing to the overall reliability and performance of the truck.

Key Features of the 3081345 Hexagon Head Cap Screw

The 3081345 Hexagon Head Cap Screw boasts several key features that enhance its performance and durability. It is composed of high-strength materials, such as alloy steel, which provide excellent tensile strength and resistance to wear. The screw features a coarse thread type, which allows for quick and secure engagement with mating parts. Additionally, the hexagonal head design facilitates easy installation and removal, ensuring convenience during maintenance procedures.

Benefits of Using the 3081345 Hexagon Head Cap Screw

Utilizing the 3081345 Hexagon Head Cap Screw offers several advantages. Its high tensile strength ensures that it can withstand significant loads and stresses, making it suitable for heavy-duty applications. The screw’s resistance to loosening under vibration enhances the reliability of fastened components, reducing the risk of failure during operation. Furthermore, the ease of installation and removal simplifies maintenance tasks, allowing for efficient repairs and replacements.

Installation and Usage Guidelines

Proper installation of the 3081345 Hexagon Head Cap Screw is vital to ensure a secure fit and optimal performance. To install the screw, align it with the corresponding threaded hole in the mating part. Using a wrench or socket, tighten the screw to the specified torque value, which can be found in the manufacturer’s guidelines. It is important to avoid over-tightening, as this can lead to damage to the screw or the mating part. Following best practices for installation will help maintain the integrity of the fastening and ensure long-term reliability.

Troubleshooting and Maintenance Suggestions

Common issues associated with Hexagon Head Cap Screws include loosening due to vibration and corrosion. To troubleshoot these problems, regularly inspect the screws for signs of wear or damage. If loosening is detected, re-tighten the screw to the specified torque value. To prevent corrosion, apply a suitable anti-corrosion coating or lubricant to the screw and mating part. Additionally, replacing worn or damaged screws promptly will help maintain the structural integrity of the truck.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and aftermarket parts. With a rich history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company is committed to delivering reliable and high-performance components that meet the demanding requirements of heavy-duty applications. Cummins’ dedication to quality and customer satisfaction ensures that their products, such as the 3081345 Hexagon Head Cap Screw, are trusted by professionals worldwide ².

Hexagon Head Cap Screw 3081345 in Cummins Engines

The Cummins part number 3081345, a Hexagon Head Cap Screw, is a critical component in various Cummins engine models. This screw is integral to the assembly and maintenance of these engines, ensuring secure fastening in numerous applications.

6C8.3 Series

The 6C8.3 engine utilizes the 3081345 screw in several key areas, such as securing engine mounts and other critical components, ensuring stability and reliability during operation.

ISC and ISL Series

In the ISC CM2150 and ISL CM2150 engines, the 3081345 screw is employed for fastening various parts, including turbo components and other critical assemblies, maintaining the integrity of the engine’s structure.

ISM Series

The ISM CM570, ISM CM570/870, ISM CM876, and ISM11 CM876 SN engines incorporate the 3081345 screw in multiple applications. It is used for securing engine mounts, turbo components, and other critical assemblies, ensuring the engine operates smoothly and efficiently.

L10 Series

For the L10 CELECT, L10 GAS, and L10 MECHANICAL engines, the 3081345 screw is essential in fastening various components, including engine mounts and other structural parts, ensuring the engine’s durability and performance.

M11 Series

In the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL engines, the 3081345 screw is used for securing critical components such as turbo assemblies and engine mounts, contributing to the engine’s overall reliability.

QSC and QSL Series

The QSC8.3 CM554, QSC8.3 CM850 (CM2850), QSC9 CM2250/QSL9 CM2250, QSL9 CM554, and QSL9 CM850 (CM2850) engines also utilize the 3081345 screw for fastening various parts, including turbo components and engine mounts, ensuring the engine’s structural integrity.

QSM11 Series

In the QSM11 CM570 and QSM11 CM876 engines, the 3081345 screw is used for securing critical components, including turbo assemblies and engine mounts, ensuring the engine’s performance and reliability.

Role of Part 3081345 Hexagon Head Cap Screw in Engine Systems

The part 3081345 Hexagon Head Cap Screw is integral to the secure assembly and operation of various engine components. Its applications span across multiple systems, ensuring the stability and efficiency of the engine.

Alternator and Mounting Systems

In alternator location and alternator mounting arrangements, the 3081345 screw is used to firmly attach the alternator to the engine block. This secure attachment is vital for the alternator’s stable operation, which is essential for maintaining the vehicle’s electrical system.

Lifting and Compressor Arrangements

For lifting arrangements, these screws play a role in securing components that are critical during the lifting process, ensuring safety and stability. In compressor and freon systems, they are used to fasten the compressor to its mounting bracket, which is necessary for the efficient operation of the air conditioning system.

Cylinder Block and Drive Systems

Within the cylinder block, the 3081345 screw is employed to secure various brackets and components, contributing to the structural integrity of the engine. In drive systems, particularly those involving the water pump, these screws ensure that the pump is securely mounted, allowing for consistent coolant flow and engine temperature regulation.

Gauge and Housing Components

For gauge applications, such as oil level indicators, the screw is used to mount the gauge housing to the engine, ensuring accurate readings. In thermostat housings, it secures the housing to the engine, which is essential for maintaining optimal engine operating temperatures.

Air Intake and Alternator Mounting

In the mounting of the air intake manifold and the alternator, these screws provide the necessary tension and security to prevent vibrations and ensure efficient airflow and electrical output, respectively.

Turbocharger and Corrosion Resistance

In turbocharger arrangements, the 3081345 screw is used to attach the turbocharger to the engine, enhancing the forced induction system’s performance. Its corrosion-resistant properties are beneficial in environments where exposure to elements could otherwise lead to component failure.

Product Installation and Resistor Packages

During product installation, these screws are often included in resistor packages to ensure that electrical components are securely mounted, reducing the risk of electrical faults and improving the overall reliability of the engine system.

Conclusion

The 3081345 Hexagon Head Cap Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its high tensile strength, resistance to vibration, and ease of installation make it an essential part for ensuring the structural integrity and performance of heavy-duty vehicles. Proper installation and regular maintenance of this part are vital for the long-term reliability and efficiency of the engine systems it supports.

References