2880474
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw, Part #2880474, is a product manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This screw is utilized in commercial trucks and plays a significant role in truck maintenance and operation. Its design and functionality are tailored to meet the demanding requirements of heavy-duty applications, ensuring reliable performance and durability in various truck components and systems.

Basic Concepts of Hexagon Head Cap Screws

Hexagon Head Cap Screws are fasteners characterized by a hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. These screws function by securely joining two or more components together, distributing load and stress across the threaded connection. They are commonly constructed from materials such as steel, stainless steel, or alloy steel, and may be coated with finishes like zinc plating or black oxide to enhance corrosion resistance and durability ¹.

Purpose of the 2880474 Hexagon Head Cap Screw in Truck Operation

The 2880474 Hexagon Head Cap Screw by Cummins is specifically designed to play a role in the operation of commercial trucks. It is typically used in applications where secure fastening is required, such as in the assembly of engine components, transmission systems, and chassis structures. Its purpose is to provide a strong, reliable connection that can withstand the vibrations and stresses encountered in heavy-duty truck operations ².

Key Features

The 2880474 Hexagon Head Cap Screw features a robust design with precise threading that ensures a tight, secure fit. Its hexagonal head allows for easy installation and removal using standard tools. Additionally, the screw may incorporate unique attributes such as a corrosion-resistant coating or enhanced threading profile to improve its functionality and durability in demanding environments ³.

Benefits

Using the 2880474 Hexagon Head Cap Screw offers several benefits. Its design contributes to improved fastening strength, making it suitable for applications where high loads and stresses are present. The screw’s resistance to vibration loosening ensures that connections remain secure over time, reducing the risk of component failure. Furthermore, its ease of installation and removal facilitates efficient maintenance and repair procedures.

Installation and Usage Guidelines

Proper installation of the 2880474 Hexagon Head Cap Screw involves several steps to ensure a secure fastening. Begin by cleaning the mating surfaces to remove any debris or contaminants. Insert the screw into the pre-drilled hole, ensuring it is aligned correctly. Use a wrench or socket to tighten the screw to the recommended torque specification, which can be found in the manufacturer’s guidelines. 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 due to vibration, corrosion, and wear. To troubleshoot these problems, regularly inspect the screws for signs of damage or corrosion. If loosening is detected, re-tighten the screw to the specified torque. To maintain the lifespan of the screw, apply a corrosion-resistant coating or lubricant as recommended by the manufacturer. Additionally, replacing worn or damaged screws promptly can prevent further issues and ensure optimal performance.

Cummins: A Brief 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 history spanning over a century, Cummins is committed to innovation, quality, and customer satisfaction. The company’s extensive product range and dedication to excellence make it a trusted partner in the automotive and heavy-duty truck industries.

Cummins Engine Compatibility with Part 2880474

The Cummins part 2880474, a Hexagon Head Cap Screw, is designed to fit a variety of Cummins engines. This screw is integral in securing various components within the engine assembly, ensuring that parts remain tightly fastened and operational under demanding conditions.

B4.5 and B6.7 Series Engines

The Hexagon Head Cap Screw is compatible with the following B4.5 and B6.7 series engines:

• B4.5 CM2350 B129B
• B6.7 CM2350 B135B

These engines benefit from the screw’s secure fastening capabilities, particularly in areas where vibration and stress are common.

F3.8 Series Engine

The F3.8 CM2350 F120B engine also utilizes the part 2880474. This screw ensures the integrity of the engine’s structure, providing reliable fastening in critical areas.

ISB4.5 Series Engine

The ISB4.5 CM2350 B104 engine is another beneficiary of this screw. It is used in various mounting and securing applications within the engine.

QSB6.7 Series Engine

The QSB6.7 CM2250 engine incorporates the Hexagon Head Cap Screw in its assembly, ensuring that components are securely fastened.

QSK19 Series Engines

The QSK19 series engines, including:

• QSK19 CM2350 K105
• QSK19 CM2350 K114

utilize the part 2880474 for critical fastening applications. These engines require robust fastening solutions to maintain performance and reliability.

QSK50 and QSK95 Series Engines

The QSK50 CM2350 K108 and QSK95 CM2350 K113 engines also use the Hexagon Head Cap Screw. This screw is essential for securing various engine components, ensuring they remain in place under operational stresses.

QSL9 Series Engines

The QSL9 engines, specifically:

• QSL9 CM2250
• QSL9 CM2350 L102

incorporate the part 2880474 in their design. This screw is used in multiple fastening applications within these engines.

QST30 Series Engine

The QST30 CM2350 T101 engine uses the Hexagon Head Cap Screw for securing various parts, ensuring the engine’s structural integrity.

QSX11.9 and QSX15 Series Engines

The QSX11.9 CM2250 and QSX15 CM2250 engines, as well as their ECF variants:

• QSX15 CM2250 ECF
• QSX11.9 CM2250 ECF

all utilize the part 2880474. This screw is crucial for maintaining the secure fastening of components within these engines.

Role of Part 2880474 Hexagon Head Cap Screw in Engine Systems

The part 2880474 Hexagon Head Cap Screw is integral to the secure assembly and functionality of various engine components. It is commonly utilized in the fastening of the Aftertreatment Bracket, which supports the Aftertreatment Device—a component essential for reducing emissions by processing exhaust gases before they are released into the atmosphere. This screw ensures that the bracket remains firmly attached to the Aftertreatment System, maintaining the structural integrity and alignment necessary for optimal performance.

In the arrangement of the Catalytic Converter, the Hexagon Head Cap Screw plays a significant role. The converter is a critical emissions control device that converts toxic byproducts in the exhaust into less harmful substances. The screw secures the converter in place, ensuring it is correctly positioned within the exhaust system to effectively perform its function.

Additionally, the screw is employed in the fastening of the Injector Fuel Supply Tube. This tube is part of the fuel delivery system, responsible for supplying fuel to the injectors at the correct pressure and timing. The secure attachment of the tube is vital for the consistent and reliable operation of the fuel injection system.

The Junction Box, which houses electrical connections and components, also benefits from the use of this screw. By ensuring that the junction box is tightly secured, the screw helps protect the electrical components from vibrations and environmental factors, contributing to the reliability of the engine’s electrical system.

Furthermore, the screw is utilized in the assembly of the Module Bracket and Sensor Bracket. These brackets support various sensors and modules that monitor engine performance and emissions. The secure attachment of these components is essential for accurate data collection and system functionality.

Lastly, the Hexagon Head Cap Screw is involved in the installation of the Sensor Housing and components of the Tube Kit. The sensor housing protects sensitive sensors from damage, while the tube kit includes various tubes and connections necessary for the proper functioning of the engine’s systems. The screw ensures that these components are securely fastened, contributing to the overall reliability and performance of the engine.

Conclusion

The 2880474 Hexagon Head Cap Screw by Cummins is a critical component in the maintenance and operation of commercial trucks. Its robust design, precise threading, and compatibility with a wide range of Cummins engines make it an essential part for securing various engine components. The screw’s role in ensuring the structural integrity and alignment of critical engine systems highlights its importance in maintaining the performance and reliability of heavy-duty trucks.