3045853
Twelve Point Cap Screw
Cummins®

The 3045853 Twelve Point Cap Screw, manufactured by Cummins, is a specialized fastener designed for use in commercial trucks. Cummins, a well-established name in the commercial truck industry, produces this part to meet the demanding requirements of heavy-duty applications. This screw is integral to various truck components, ensuring secure and reliable fastening in critical areas.

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 a greater contact area between the screwdriver and the screw, which can result in more efficient torque application and reduced risk of cam-out compared to traditional cap screws ¹. Twelve point cap screws are commonly used in mechanical assemblies where high torque and secure fastening are required.

Role and Function in Truck Operation

This Cummins part plays a significant role in the operation and maintenance of commercial trucks. It is utilized in various engine components, the chassis, and other critical areas where secure fastening is necessary. This screw helps maintain the integrity of truck assemblies, ensuring that parts remain firmly in place under the stress of heavy-duty use.

Key Features

The 3045853 is characterized by several key features that enhance its performance and durability. Its twelve-sided socket design provides a more secure grip, reducing the likelihood of slippage during installation or removal. The screw is made from high-quality materials, ensuring it can withstand the rigors of commercial truck use. Additionally, its threading is designed to offer optimal engagement with mating parts, contributing to a strong and reliable connection.

Benefits

This part offers several benefits that make it suitable for heavy-duty applications. Its design allows for improved torque application, which is crucial for securing components in place. The reduced risk of cam-out ensures that the screw can be tightened and loosened with greater ease and precision. Furthermore, the enhanced grip provided by the twelve-sided socket contributes to increased resistance to loosening over time, maintaining the integrity of the fastened components.

Installation and Usage Guidelines

Proper installation of the 3045853 is vital to ensure optimal performance and longevity. It is recommended to use the appropriate torque specifications provided by the manufacturer to avoid over-tightening or under-tightening. Utilizing the correct tools, such as a twelve-point socket wrench, will facilitate a secure and precise installation. Following best practices, such as cleaning the mating surfaces and inspecting the screw for any damage prior to installation, will help ensure a reliable connection.

Troubleshooting and Maintenance

Common issues associated with twelve point cap screws include loosening over time and damage due to improper installation. Regular inspection and maintenance can help identify and address these issues promptly. If a screw shows signs of wear or damage, it should be replaced to maintain the integrity of the assembly. Additionally, ensuring that all fasteners are tightened to the manufacturer’s specifications during routine maintenance can help prevent loosening and extend the life of the screw.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation for quality and innovation in the commercial truck industry. The company’s commitment to excellence is evident in its wide range of products, which are designed to meet the demanding requirements of heavy-duty applications. Cummins’ focus on customer satisfaction and continuous improvement underscores its position as a trusted provider of automotive and heavy-duty truck parts.

Twelve Point Cap Screw 3045853 Compatibility with Cummins Engines

The 3045853, manufactured by Cummins, is a versatile component that fits a variety of Cummins engines. This screw is designed to provide secure fastening in applications requiring high strength and durability. Below is a detailed overview of the engines with which this part is compatible:

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN
• QSM11 CM570
• QSM11 CM876

The ISM series engines, including the ISM CM570, ISM CM570/870, ISM CM876, ISM11 CM876 SN, QSM11 CM570, and QSM11 CM876, are designed for heavy-duty applications. The 3045853 is used in various parts of these engines to ensure secure assembly and reliable operation.

L10 Series Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

The L10 series engines, such as the L10 CELECT, L10 GAS, and L10 MECHANICAL, are known for their robust performance and efficiency. The 3045853 is utilized in these engines to fasten components that require a high level of strength and precision.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The M11 series engines, including the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL, are engineered for both performance and reliability. The 3045853 is an essential component in these engines, ensuring that critical parts are fastened securely.

ISX Series Engines

• ISX15 CM2250

The ISX15 CM2250 engine is a high-performance engine designed for demanding applications. The 3045853 is used in this engine to provide the necessary strength and stability for its components.

Each of these engines benefits from the use of the 3045853, which is engineered to meet the stringent requirements of Cummins’ high-performance engines. This screw’s design ensures that it can withstand the stresses and demands of heavy-duty applications, contributing to the overall reliability and longevity of the engines.

Role of Part 3045853 Twelve Point Cap Screw in Engine Systems

The 3045853 is integral to the assembly and maintenance of various engine components. Its primary function is to secure and fasten parts together, ensuring structural integrity and proper operation of the engine system.

Block Assembly

In the engine block, the Twelve Point Cap Screw is used to fasten critical components such as cylinder heads, valve covers, and other ancillary parts. This secure attachment is essential for maintaining the precise alignment and sealing required for optimal engine performance. The screw’s design allows for efficient torque application, reducing the risk of stripping or cross-threading during installation.

Cylinder Block Integration

Within the cylinder block, the Twelve Point Cap Screw plays a role in attaching components like the crankshaft, connecting rods, and main bearings. These attachments are vital for the smooth operation of the engine, as they help in maintaining the correct spacing and alignment of moving parts. The screw’s robust design ensures that these connections remain stable under the high stresses and vibrations experienced during engine operation.

Engine Maintenance and Repair

During engine maintenance or repair, the Twelve Point Cap Screw is often used to reassemble components after servicing. Its ease of use with standard tools makes it a preferred choice for both initial assembly and subsequent repairs. The screw’s design also facilitates quick removal and reinstallation, which is beneficial during routine maintenance checks or when performing upgrades to the engine system.

Conclusion

In summary, the 3045853 Twelve Point Cap Screw is a fundamental component in the assembly and maintenance of engine systems, providing reliable fastening solutions that contribute to the overall efficiency and durability of the engine.