S164B
Hexagon Head Cap Screw
Cummins®

The Cummins S164B Hexagon Head Cap Screw is a specialized fastener designed for heavy-duty truck applications. Its purpose is to maintain structural integrity and operational efficiency within truck assemblies. By securely attaching components, it ensures that the truck can withstand the rigors of heavy-duty use, contributing to overall performance and reliability 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 torque application using common tools such as wrenches or sockets. The hexagonal design prevents the screw from rounding off during tightening, ensuring a secure and consistent fastening process ². This design is particularly advantageous in applications where precise torque is required to maintain component alignment and structural integrity.

Purpose and Role in Truck Operation

The S164B Hexagon Head Cap Screw plays a specific role in truck assemblies by providing a secure attachment point for various components. It is used in areas where high tensile strength and resistance to vibration are necessary. By ensuring that components remain firmly in place, the screw contributes to the reliable performance of the truck under various operating conditions, including heavy loads and rough terrain ³.

Key Features

The S164B Hexagon Head Cap Screw is crafted from high-quality materials, typically featuring a robust thread type designed for heavy-duty applications. It may also include special coatings or treatments that enhance its performance and durability. These features contribute to its resistance to corrosion, high tensile strength, and long-term reliability, making it suitable for the demanding environments encountered in heavy-duty trucking.

Benefits

Using the S164B Hexagon Head Cap Screw in truck applications offers several benefits. Its resistance to corrosion ensures longevity even in harsh conditions, while its high tensile strength provides secure fastening under significant stress. The screw’s design allows for ease of installation, reducing downtime during maintenance. Additionally, its long-term reliability minimizes the need for frequent replacements, contributing to overall cost efficiency.

Installation Considerations

Proper installation of the S164B Hexagon Head Cap Screw is vital to ensure optimal performance and longevity. Guidelines for installation include adhering to specified torque values to avoid over-tightening, which can lead to damage, or under-tightening, which can compromise security. Best practices for alignment and seating should be followed to ensure that the screw engages properly with the mating component, providing a secure and lasting connection.

Troubleshooting and Maintenance

Common issues associated with Hexagon Head Cap Screws include loosening due to vibration and corrosion. Troubleshooting tips involve periodic inspections to check for signs of wear or damage. Maintenance practices to prolong the life of the screw include cleaning and reapplying protective coatings as necessary. Replacement criteria should be based on visible signs of degradation or failure to meet performance standards.

Cummins Overview

Cummins Inc. is a renowned manufacturer of diesel engines and related components, with a history of innovation and commitment to quality in the automotive industry. The company’s reputation for producing reliable and high-performance parts is built on a foundation of rigorous testing, advanced manufacturing techniques, and a dedication to meeting the needs of its customers in the heavy-duty trucking sector.

Cummins Engine Compatibility with S164B Hexagon Head Cap Screw

The S164B Hexagon Head Cap Screw, manufactured by Cummins, is a critical component in the assembly and maintenance of various Cummins engines. This part is integral to the structural integrity and operational efficiency of the engines, ensuring secure fastening and alignment of various engine parts.

K19 and KTA19GC Engines

The K19 and KTA19GC engines are part of Cummins’ line of industrial and power generation engines. The S164B Hexagon Head Cap Screw is used extensively in these engines for securing components such as engine blocks, cylinder heads, and other critical assemblies. Its robust design and high-strength properties ensure that the engine components remain tightly fastened under the high stress and varying temperatures typical in engine operation.

KTA19GC CM558 Engine

The KTA19GC CM558 engine, a variant of the KTA19GC, also relies on the S164B Hexagon Head Cap Screw for its assembly. This specific engine model is often used in marine and power generation applications, where reliability and durability are paramount. The S164B screw’s precision and strength are crucial in maintaining the engine’s performance and longevity in these demanding environments.

QSK19 CM850 MCRS Engine

The QSK19 CM850 MCRS engine, another variant within Cummins’ lineup, also incorporates the S164B Hexagon Head Cap Screw. This engine is designed for heavy-duty applications, including marine and industrial use. The S164B screw’s ability to withstand high loads and resist corrosion makes it an ideal choice for securing components in this engine, ensuring that the engine operates efficiently and reliably under extreme conditions.

Each of these engines benefits from the use of the S164B Hexagon Head Cap Screw, which provides the necessary strength, durability, and precision required for their specific applications. Cummins’ commitment to quality and performance is reflected in the careful selection of components like the S164B screw, ensuring that these engines meet the highest standards of reliability and efficiency.

Role of S164B Hexagon Head Cap Screw in Engine Systems

The S164B Hexagon Head Cap Screw is a versatile fastener utilized across various engine components to ensure secure and reliable connections. Its application spans multiple critical areas within the engine system, contributing to the overall integrity and performance of the engine.

Alternator Mounting

In the alternator mounting system, the S164B screw plays a significant role in securing the alternator to the engine block or mounting bracket. This ensures that the alternator remains firmly in place, allowing it to generate electricity efficiently without vibrations that could lead to malfunction.

Exhaust Manifold and Turbocharger Mounting

The exhaust manifold is another area where the S164B screw is extensively used. It fastens the exhaust manifold to the engine block, ensuring a tight seal that prevents exhaust leaks. Additionally, in turbocharged engines, these screws are employed in the turbocharger arrangement to mount the turbocharger to the exhaust manifold. This secure attachment is essential for maintaining the turbocharger’s alignment and operational efficiency.

Base Parts and Alternative Mounting

Base parts, which often serve as the foundational components for various engine attachments, also benefit from the use of S164B screws. These screws provide the necessary strength to hold these parts in place under the high stresses and temperatures of engine operation. Furthermore, in alternative mounting scenarios, such as pulley cavities or other auxiliary components, the S164B screw ensures that these parts are securely fastened, contributing to the smooth operation of the engine.

Exhaust Manifold Turbocharger Mounting

When it comes to the combined exhaust manifold and turbocharger mounting, the S164B screw is instrumental in creating a robust connection between these components and the engine. This is particularly important in high-performance engines where the exhaust system plays a significant role in engine efficiency and power output.

General Mounting Applications

Across various mounting applications within the engine, including the mounting of alternators, the S164B screw is a go-to fastener. Its design allows for easy installation and removal, which is beneficial during maintenance or repair procedures. The screw’s hexagonal head provides a secure grip for tools, ensuring that it can be tightened or loosened with precision.

Conclusion

The Cummins S164B Hexagon Head Cap Screw is a fundamental component in the assembly and maintenance of engine systems. Its applications in alternator mounting, exhaust manifold and turbocharger arrangements, base parts, and various mounting scenarios underscore its importance in ensuring the engine’s reliability, efficiency, and performance. The screw’s robust design, high tensile strength, and resistance to corrosion make it an ideal choice for heavy-duty applications, contributing to the overall integrity and performance of Cummins engines.