3093774
Hexagon Head Cap Screw
Cummins®

Introduction

The Hexagon Head Cap Screw, part number 3093774, manufactured by Cummins, is a crucial component in the maintenance and operation of commercial trucks. This screw ensures the secure assembly of various truck components, contributing to the overall reliability and performance of commercial vehicles.

Basic Concepts of Hexagon Head Cap Screws

Hexagon Head Cap Screws are fasteners with a hexagonal head, designed for efficient tightening and loosening using a wrench or socket. These screws provide a strong, threaded connection between components, ensuring they remain securely fastened under various operational conditions. Typically made from steel or stainless steel, they may be coated to enhance corrosion resistance and durability ¹.

Role of the 3093774 Hexagon Head Cap Screw in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is commonly used in the assembly of engine components, chassis parts, and other critical systems where secure fastening is required. This screw helps maintain the integrity of these assemblies, ensuring they function correctly under the demanding conditions of commercial truck operation ².

Key Features of the 3093774 Hexagon Head Cap Screw

The 3093774 features a robust design with precise threading, allowing for a strong and secure connection. Its hexagonal head facilitates easy installation and removal using standard tools. Unique characteristics of this screw may include specialized coatings for enhanced corrosion resistance and durability, contributing to its functionality and longevity in commercial truck applications ³.

Benefits of Using the 3093774 Hexagon Head Cap Screw

Using this part in commercial truck applications offers several benefits. These include enhanced durability due to its robust construction and specialized coatings, ease of installation thanks to its hexagonal head, resistance to corrosion which ensures longevity in various operational environments, and overall performance improvements by securely fastening critical components ⁴.

Troubleshooting and Maintenance Suggestions

Common issues with the 3093774 may include loosening over time or corrosion. Regular inspection for signs of wear or failure is recommended to ensure optimal performance. Maintenance tips include cleaning the screw and surrounding area before installation, applying the appropriate lubricant if necessary, and following recommended torque specifications to prevent over-tightening. Replacement should be considered if signs of significant wear or corrosion are present ⁵.

Installation and Usage Guidelines

Proper installation of the 3093774 involves using the correct tools, such as a wrench or socket, to achieve the recommended torque specifications. It is important to ensure the screw and the components being fastened are clean and free of debris. Safety precautions include wearing appropriate personal protective equipment and ensuring the work area is secure to prevent accidents during installation ⁶.

Cummins Engine Compatibility with Hexagon Head Cap Screw Part 3093774

The Cummins part number 3093774 is a critical component in the assembly and maintenance of several Cummins engine models. This screw is integral to ensuring the structural integrity and operational efficiency of the engines.

ISX CM870

The ISX CM870 engine benefits from the precision and reliability of the 3093774. This part is used in various applications within the engine, including securing critical components and ensuring that all parts remain tightly fastened during operation. The screw’s design allows for easy installation and removal, which is crucial during routine maintenance and repairs.

QST30 CM2350 T101 and QST30 CM552

For the QST30 CM2350 T101 and QST30 CM552 engines, the 3093774 plays a similar role. These engines, known for their robust performance, rely on this screw to maintain the alignment and stability of various engine components. The screw’s hexagonal head provides a secure grip, which is essential for withstanding the high torque and stress levels inherent in these engines.

In both the QST30 CM2350 T101 and QST30 CM552 engines, the 3093774 is used in multiple locations where precision and durability are paramount. Its design ensures that the engine’s components remain firmly in place, contributing to the overall reliability and longevity of the engine.

The use of the 3093774 across these Cummins engines underscores its importance in maintaining the structural integrity and operational efficiency of the engines. This part’s compatibility with the ISX CM870, QST30 CM2350 T101, and QST30 CM552 engines highlights its versatility and critical role in engine assembly and maintenance.

Role of Part 3093774 Hexagon Head Cap Screw in Engine Systems

This part is integral to the secure assembly and operation of various engine components. Its robust design ensures reliable fastening in high-stress environments, contributing to the overall stability and efficiency of the engine system.

Key Applications:

• Block Assembly: The screw is used to fasten the engine block to its mounting points, ensuring the block remains securely in place during operation. This stability is essential for maintaining alignment and reducing vibrations.
• Cylinder Head Mounting: It plays a role in securing the cylinder head to the engine block. Proper fastening is vital for maintaining compression and preventing leaks, which are essential for engine performance.
• Accessory Support: The screw is employed in attaching various accessories to the engine, such as the alternator, power steering pump, and air conditioning compressor. Secure attachment ensures these components function correctly without undue stress or movement.
• Drive System Components: In the drive system, the screw is used to fasten components like the timing belt tensioner and various pulleys. This ensures the drive system operates smoothly and efficiently.
• Fan and Cooling System: The screw is utilized in securing the fan and other cooling system components to the engine. Reliable fastening is crucial for maintaining efficient cooling and preventing overheating.
• Module and Engine Control Units: It is also used in mounting engine control modules and sensors, ensuring these critical components remain in place and function accurately.
• Spare Mounting: The screw provides a versatile solution for mounting spare parts or additional equipment, offering flexibility in engine maintenance and upgrades.

Conclusion

In summary, the 3093774 Hexagon Head Cap Screw is a fundamental component in ensuring the secure and efficient operation of various engine systems, contributing to the reliability and performance of the engine as a whole.