3048907
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw is a fundamental component in the assembly and maintenance of heavy-duty trucks. Manufactured by Cummins, a renowned name in the automotive industry, the Hexagon Head Cap Screw part number 3048907 is specifically designed for robust fastening applications. This part is integral to ensuring the secure attachment of various components within heavy-duty trucks, contributing to the overall reliability and performance of the vehicle ¹.

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 a wrench or socket. The design of the cap screw includes a threaded shaft that extends through the components being joined, with the head providing a surface for applying torque. Cap screws are commonly used in applications requiring a high degree of strength and resistance to loosening, making them suitable for heavy-duty environments ².

Purpose of the 3048907 Hexagon Head Cap Screw in Truck Operations

The 3048907 Hexagon Head Cap Screw plays a significant role in the operation and maintenance of heavy-duty trucks. It is utilized in various applications, such as securing engine components, transmission parts, and chassis assemblies. By providing a strong and durable fastening solution, this cap screw helps maintain the integrity of critical truck components, ensuring they remain securely attached under demanding conditions.

Key Features of the 3048907 Hexagon Head Cap Screw

The 3048907 Hexagon Head Cap Screw is distinguished by several key features that enhance its functionality and durability. These include its material composition, typically a high-strength alloy, which provides excellent resistance to corrosion and wear. The screw features a specific thread type that ensures a secure fit and optimal load distribution. Additionally, the hexagonal head design allows for easy installation and removal, facilitating maintenance procedures.

Benefits of Using the 3048907 Hexagon Head Cap Screw

Utilizing the 3048907 Hexagon Head Cap Screw offers several advantages. Its enhanced strength and durability make it well-suited for heavy-duty applications, where components are subjected to significant stress and vibration. The design of the screw also provides resistance to loosening, reducing the need for frequent re-tightening. Furthermore, the hexagonal head allows for straightforward installation and removal, simplifying maintenance tasks.

Installation and Usage Guidelines

Proper installation of the 3048907 Hexagon Head Cap Screw involves several steps to ensure a secure and lasting connection. Begin by aligning the screw with the designated hole in the components to be joined. Using an appropriate wrench or socket, gradually tighten the screw to the recommended torque specification, which can be found in the vehicle’s maintenance manual. It is important to avoid over-tightening, as this can lead to damage or stripping of the threads.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening over time due to vibration or thermal expansion, and corrosion in exposed environments. Regular inspection and maintenance can help identify these issues early. If a screw shows signs of loosening, it should be re-tightened to the specified torque. In cases of significant corrosion or damage, replacement of the screw may be necessary to ensure continued reliability.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and quality, Cummins has established a strong reputation in the automotive industry. The company is committed to delivering reliable and high-performance components, ensuring that their products meet the demanding requirements of heavy-duty applications. Cummins’ dedication to quality and customer satisfaction underscores their position as a trusted manufacturer in the industry.

Cummins Hexagon Head Cap Screw 3048907 in Engine Applications

The Cummins Hexagon Head Cap Screw part number 3048907 is a critical component in various engine assemblies, ensuring secure fastening and structural integrity. This screw is utilized across several engine models, each with distinct applications and requirements.

K19 and QSK60 CM500 Engines

In the K19 and QSK60 CM500 engines, the 3048907 screw is often employed in areas where high strength and durability are paramount. These engines, known for their robust performance, benefit from the screw’s ability to withstand significant stress and maintain a tight, reliable connection. The screw’s design allows for easy installation and removal, facilitating maintenance and repair processes.

QSK78 CM500 Engines

The QSK78 CM500 engine also incorporates the 3048907 screw, particularly in sections that require precise alignment and secure fastening. This engine, designed for heavy-duty applications, relies on the screw’s high tensile strength to ensure that components remain firmly in place under demanding conditions. The screw’s hexagonal head provides a larger surface area for tools, enhancing the efficiency of the assembly and disassembly processes.

QST30 CM552 Engines

In the QST30 CM552 engine, the 3048907 screw is used in various critical assemblies. This engine, which is part of the Cummins QST series, is known for its versatility and reliability in diverse applications. The screw’s design ensures that it can handle the specific stresses and loads encountered in this engine, contributing to its overall performance and longevity.

V28 Engines

The V28 engine also utilizes the 3048907 screw in its construction. This engine, part of the Cummins V-series, is designed for high-performance applications. The screw’s ability to provide a strong and reliable fastening solution is essential in maintaining the engine’s structural integrity and operational efficiency. The screw’s use in this engine highlights its versatility and effectiveness across different engine types.

Each of these engines benefits from the 3048907 screw’s design, which ensures secure fastening, ease of use, and durability. This screw is a testament to Cummins’ commitment to quality and reliability in their engine components.

Part 3048907 Hexagon Head Cap Screw Component Usage

The part 3048907 Hexagon Head Cap Screw is a versatile fastener that plays a significant role in securing various components within engine systems. Its application spans across multiple assemblies, ensuring the integrity and functionality of the engine.

Belt Tensioner Kit

In the belt tensioner kit, the Hexagon Head Cap Screw is used to secure the tensioner pulley to the engine block or mounting bracket. This ensures that the belt remains taut, providing consistent power transmission to components such as the alternator, water pump, and air conditioning compressor.

Fan Spacer Mounting

For the fan spacer mounting, this screw is essential in maintaining the correct spacing between the fan and the radiator. Proper spacing is vital for efficient airflow, which in turn ensures optimal cooling of the engine.

Housing

Within the housing assembly, the Hexagon Head Cap Screw is employed to fasten the housing to the engine block or other structural components. This secure attachment is necessary to protect internal parts from debris and to maintain the structural integrity of the housing.

Flywheel

In the flywheel assembly, the screw is used to attach the flywheel to the crankshaft. This connection is fundamental for transmitting power from the engine to the transmission, ensuring smooth operation of the vehicle.

Kit Spare (Rad. Cooled)

For the kit spare in radiator-cooled systems, the Hexagon Head Cap Screw is utilized to secure spare parts or additional components that may be required for maintenance or repair. This ensures that these parts are readily available and properly mounted when needed.

Mounting

The screw is commonly used in various mounting applications throughout the engine system. Whether it’s mounting the radiator, fan drive, or other auxiliary components, the Hexagon Head Cap Screw provides a reliable fastening solution that withstands vibrations and operational stresses.

Fan Drive

In the fan drive assembly, the screw is crucial for attaching the fan drive mechanism to the engine. This secure attachment ensures that the fan operates efficiently, contributing to the overall cooling performance of the engine.

Radiator

For radiator assemblies, the Hexagon Head Cap Screw is used to fasten the radiator to its mounting brackets. This secure attachment is essential for maintaining the radiator’s position and ensuring it functions correctly within the cooling system.

Spacer

When used with spacers, the screw helps in maintaining precise distances between components, such as between the fan and the radiator. This is important for the proper functioning and longevity of the engine’s cooling system.

Fan Pilot

In the fan pilot assembly, the screw is used to attach the pilot to the fan hub or other relevant components. This ensures that the fan pilot operates correctly, contributing to the efficient management of engine cooling.

Conclusion

The 3048907 Hexagon Head Cap Screw is a critical component in the assembly and maintenance of heavy-duty trucks and engines. Its robust design, high strength, and resistance to loosening make it an ideal choice for demanding applications. Proper installation and regular maintenance are essential to ensure the continued reliability and performance of this part in various engine assemblies.