205357
Twelve Point Cap Screw
Cummins®

The 205357 Twelve Point Cap Screw by Cummins is a specialized fastener designed for heavy-duty truck applications. Cummins, a renowned manufacturer in the automotive industry, produces this component to meet the demanding requirements of truck operations. This screw plays a role in ensuring the reliability and efficiency of truck components.

Basic Concepts of Twelve Point Cap Screws

A Twelve Point Cap Screw is a type of fastener that features a hexagonal socket with twelve sides instead of the standard six. This design allows for greater torque application and reduced risk of cam-out, which is the tendency of a tool to slip out of the fastener during tightening. In the automotive industry, twelve point cap screws are commonly used in applications where high torque and secure fastening are required ¹.

Purpose and Role in Truck Operation

The 205357 Twelve Point Cap Screw is specifically designed for use in heavy-duty trucks. It serves to securely fasten various components, ensuring they remain in place under the extreme conditions encountered in truck operations. By providing a strong and reliable connection, this screw contributes to the overall functionality and reliability of truck components, helping to maintain optimal performance and safety ².

Key Features

The 205357 Twelve Point Cap Screw boasts several key features that enhance its performance in truck applications. Its twelve-sided design allows for increased torque application and reduced cam-out, ensuring a secure fastening. The screw is made from high-quality materials, providing durability and resistance to corrosion. Additionally, its design includes features that prevent loosening, ensuring a consistent and reliable connection over time.

Benefits

Using the 205357 Twelve Point Cap Screw offers several benefits in heavy-duty truck applications. The screw’s design allows for improved torque application, ensuring components are securely fastened. Its resistance to loosening helps maintain a consistent connection, reducing the need for frequent re-tightening. Furthermore, the screw’s durability under heavy-duty conditions ensures long-lasting performance, contributing to the overall reliability of truck components.

Installation and Usage

Proper installation of the 205357 Twelve Point Cap Screw is crucial for optimal performance and longevity. It is recommended to follow torque specifications provided by the manufacturer to ensure the screw is tightened to the appropriate level. Using the correct tool and technique during installation will help prevent damage to the screw and ensure a secure connection. Regular inspection and maintenance will also contribute to the screw’s continued reliable performance.

Troubleshooting and Maintenance

Common issues with Twelve Point Cap Screws, such as loosening or corrosion, can be addressed through proper maintenance. Regularly inspecting the screw for signs of wear or damage will help identify potential problems early. If loosening is detected, re-tightening the screw to the recommended torque specification will help restore a secure connection. Additionally, applying a corrosion-resistant coating can help protect the screw from environmental factors, prolonging its lifespan.

Cummins: Manufacturer Overview

Cummins is a well-established manufacturer in the automotive industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has earned a reputation for excellence in the market. Their dedication to research and development ensures that their products, like the 205357 Twelve Point Cap Screw, meet the demanding requirements of heavy-duty truck applications ³.

Twelve Point Cap Screw 205357 in Cummins Engines

The Twelve Point Cap Screw part number 205357, manufactured by Cummins, is a component used in various Cummins engine models. This screw is designed to provide robust fastening capabilities, ensuring secure connections in high-stress environments typically found in engine assemblies.

ISX Series Engines

The ISX series engines, including the ISX CM871, ISX15 CM2250, ISX15 CM2250 SN, ISX15 CM2350 X101, and QSX15 variants, utilize the 205357 cap screw in several applications. These engines are known for their power and efficiency, and the cap screw ensures that critical components remain securely fastened, contributing to the engine’s overall reliability and performance.

K Series Engines

In the K series engines, such as the K19, K38, K50, KTA19GC, KTA19GC CM558, and KTA38GC CM558, the 205357 cap screw is employed in various structural and functional assemblies. These engines are designed for heavy-duty applications, and the cap screw’s strength and durability are essential for maintaining the integrity of the engine components under demanding conditions.

N14 Series Engines

The N14 CELECT PLUS and N14 MECHANICAL engines also incorporate the 205357 cap screw. These engines are known for their versatility and performance in various applications, and the cap screw plays a role in ensuring that all parts are securely fastened, enhancing the engine’s operational efficiency and longevity.

NH/NT 855 Engine

The NH/NT 855 engine uses the 205357 cap screw in its assembly. This engine is designed for durability and reliability, and the cap screw’s high-strength properties are crucial for maintaining the structural integrity of the engine components.

QSK Series Engines

The QSK series engines, including the QSK19 CM2350 K105, QSK19 CM2350 K114, QSK19 CM2350 K144G, QSK19 CM850 MCRS, QSK38 CM2150 MCRS, QSK38 CM850 MCRS, QSK50 CM2150 K107, QSK50 CM2150 MCRS, and QSK50 CM2350 K108, all utilize the 205357 cap screw. These engines are engineered for high performance and reliability, and the cap screw’s secure fastening capabilities are essential for maintaining the engine’s structural and functional integrity.

The consistent use of the 205357 cap screw across these diverse engine models underscores its importance in ensuring the reliability and performance of Cummins engines.

Role of Part 205357 Twelve Point Cap Screw in Engine Systems

Part 205357 Twelve Point Cap Screw is integral to the assembly and functionality of various engine components. Its application spans across multiple systems, ensuring secure fastening and reliable operation.

Adapter and Base Components

In the adapter and base components, Part 205357 is utilized to fasten the adapter to the base part. This secure connection is vital for the stability and alignment of the engine system. Similarly, in configurations involving base parts less rgt, the screw ensures that the adapter remains firmly attached, preventing any misalignment that could lead to operational issues.

Clutch and Damper Systems

Within the clutch system, Part 205357 is employed to connect the clutch to the front damper. This connection is essential for transmitting power efficiently from the engine to the transmission system. The screw’s design allows for precise torque application, ensuring that the clutch operates smoothly without undue stress on the components.

Drive Flange and Front Engine Support

The drive flange f p takeoff relies on Part 205357 to secure the connection between the flange and the front engine support. This fastening is critical for the integrity of the power takeoff system, ensuring that power is transmitted effectively from the engine to the driven components. Additionally, the screw is used in the front engine support to maintain the structural integrity of the engine mounting system.

Fan and Rocker Arm Systems

In the fan drive system, Part 205357 is used to attach the fan spacer mounting to the fan pilot. This secure attachment ensures that the fan operates efficiently, providing adequate cooling for the engine. Similarly, in the rocker arm system, the screw is utilized to fasten the rocker arm housing mounting to the rocker lever mounting housing. This connection is essential for the precise operation of the valve train, ensuring optimal engine performance.

Crankshaft and Pulley Systems

The crankshaft pulley system also benefits from the use of Part 205357. The screw is used to secure the pulley to the crankshaft, ensuring that the pulley operates smoothly and efficiently. This connection is vital for the proper functioning of the engine’s accessory drive system, including components like the alternator and water pump.

Housing and Lever Systems

In the housing rocker arm mounting and lever rocker systems, Part 205357 is used to ensure a secure connection between the housing and the lever. This fastening is essential for the precise operation of the valve train, contributing to the overall efficiency and performance of the engine.

Vibration Dampening and Support Systems

The damper vibration system utilizes Part 205357 to secure the damper to the engine mounting. This connection is crucial for reducing vibrations within the engine, ensuring smooth operation and prolonging the lifespan of the engine components. Additionally, the screw is used in the support front engine system to maintain the structural integrity of the engine mounting, providing a stable foundation for the engine.

Conclusion

In summary, Part 205357 Twelve Point Cap Screw plays a role in the assembly and operation of various engine components, ensuring secure fastening and reliable performance across multiple systems. Its consistent use across diverse engine models underscores its importance in ensuring the reliability and performance of Cummins engines.