3085751
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw, specifically Part #3085751 by Cummins, is a vital component in the realm of heavy-duty trucks. Cummins, a renowned manufacturer in the industry, produces this screw to meet the demanding requirements of truck assembly and maintenance. This part is integral to ensuring the structural integrity and operational efficiency of heavy-duty vehicles.

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 standard tools such as wrenches or sockets. The screw’s design includes a threaded shaft that engages with internal threads in the material being fastened, providing a secure connection. This type of screw is commonly used in applications requiring strong, permanent fastening solutions ¹.

Purpose of the 3085751 Hexagon Head Cap Screw in Truck Operation

This Cummins part plays a significant role in the assembly and maintenance of heavy-duty trucks. It is utilized in various applications, including securing engine components, attaching body panels, and fastening chassis parts. Its robust design ensures that critical components remain securely in place, contributing to the overall reliability and safety of the vehicle.

Key Features of the 3085751 Hexagon Head Cap Screw

The 3085751 Hexagon Head Cap Screw boasts several distinctive characteristics that enhance its effectiveness and durability. It is composed of high-strength materials, typically alloy steel, which provides superior tensile strength. The screw features a fine thread type, allowing for precise adjustments and secure fastening. Additionally, the hexagonal head design facilitates easy manipulation with standard tools, ensuring efficient installation and removal.

Benefits of Using the 3085751 Hexagon Head Cap Screw

Utilizing this Cummins part offers several advantages. Its enhanced strength ensures that it can withstand significant loads and stresses, making it ideal for heavy-duty applications. The screw’s corrosion-resistant properties, often achieved through coatings or material selection, extend its service life in harsh environments. Furthermore, its compatibility with standard tools simplifies installation and maintenance processes.

Installation and Usage Guidelines

Proper installation of the 3085751 Hexagon Head Cap Screw is crucial for ensuring secure fastening. Begin by selecting the appropriate size and type of screw for the application. Use a torque wrench to apply the recommended torque specifications, which can be found in the manufacturer’s guidelines. Ensure that the screw is aligned correctly with the mating threads to prevent cross-threading. Regularly check the tightness of the screw during initial use to confirm it remains secure ².

Troubleshooting Common Issues

Frequent problems associated with Hexagon Head Cap Screws include loosening due to vibration or thermal expansion and corrosion in exposed environments. To address loosening, periodically inspect and re-tighten the screws as necessary. Applying a thread locker can also help maintain the screw’s position. For corrosion, ensure that the screw is made from or coated with corrosion-resistant materials. Regular cleaning and inspection can help identify and mitigate corrosion early.

Maintenance Tips

To prolong the service life and ensure continued reliable performance of the 3085751 Hexagon Head Cap Screw, regular inspection and maintenance are recommended. Inspect screws for signs of wear, corrosion, or loosening during routine maintenance checks. Replace any damaged or worn screws promptly to maintain the integrity of the fastening. Additionally, keep the screw and surrounding areas clean to prevent the accumulation of debris that could lead to corrosion or other issues.

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 reputation for quality and reliability in the heavy-duty truck industry. The company’s extensive product range includes engines, powertrain components, and aftermarket parts, all designed to meet the rigorous demands of commercial and industrial applications. Cummins’ commitment to innovation and customer satisfaction underscores the quality and reliability of their products, including the 3085751 Hexagon Head Cap Screw.

Hexagon Head Cap Screw 3085751 in Cummins Engines

This Cummins part is a critical component in several Cummins engine models. This screw is integral to the assembly and maintenance of these engines, ensuring secure fastening and structural integrity.

K19 Series

In the K19 series, the 3085751 screw is used in various applications, providing essential fastening for components that require high strength and durability. Its design ensures that parts remain securely in place, contributing to the overall reliability of the engine.

KTA19GC Series

For the KTA19GC engines, the 3085751 screw is utilized in both standard and CM558 configurations. This screw is particularly important in maintaining the structural integrity of the engine’s components, ensuring that all parts are fastened securely and can withstand the operational stresses.

M11 Celect Plus

In the M11 Celect Plus engine, the 3085751 screw plays a crucial role in securing various engine components. Its high-strength properties make it ideal for applications where reliable fastening is critical.

QSK19 Series

The QSK19 series engines, including models such as CM2350 K105, CM2350 K114, CM2350 K144G, CM500, CM850 MCRS, and the standard QSK19, all utilize the 3085751 screw. This screw is essential for maintaining the structural integrity of the engine, ensuring that components are fastened securely and can endure the operational demands.

QSK45 Series

In the QSK45 CM500 engine, the 3085751 screw is used to secure various components, ensuring that the engine operates smoothly and reliably.

QSK50 Series

For the QSK50 series engines, including models such as CM2150 MCRS, CM2350 K108, the 3085751 screw is a vital component. It is used in securing various parts of the engine, ensuring that all components are fastened securely and can withstand the operational stresses.

The use of the 3085751 screw across these Cummins engine models highlights its importance in maintaining the structural integrity and reliability of the engines. Its high-strength properties and precise design make it an essential component in the assembly and maintenance of these engines.

Role of Part 3085751 Hexagon Head Cap Screw in Engine Systems

This Cummins part is integral to the assembly and functionality of various engine components. Its application spans across multiple systems, ensuring secure fastening and reliable operation.

Oil System Components

In the oil system, the Hexagon Head Cap Screw is utilized in the oil pan and oil pan adapter mounting. It secures the oil pan to the engine block, ensuring a sealed environment for the lubricating oil. Additionally, it fastens the oil pan adapter mounting to the oil pan, facilitating the connection to other oil system components such as the oil pan adapter kit and oil pan/noise panel mtg.

Cooling System Components

For the cooling system, the screw is employed in the thermostat housing and heat exchanger. It ensures the thermostat is firmly attached to the engine, allowing for precise temperature regulation. In the heat exchanger, it secures the components, enabling efficient heat transfer between the engine coolant and the surrounding air.

Gear and Cover Assemblies

The Hexagon Head Cap Screw plays a significant role in gear and cover assemblies. It is used in the front gear cover and gear cover conversion kit, ensuring these covers are tightly fastened to prevent oil leaks and maintain gear integrity.

Auxiliary Cooling System

In the auxiliary cooling system, the screw is crucial for mounting the auxiliary cooling fan and securing the auxiliary cooling system components. This ensures the fan operates efficiently to provide additional cooling when required, maintaining optimal engine temperature.

Adapter and Mounting Components

The screw is also pivotal in various adapter and mounting components. It secures the oil pan adapter mounting to the engine, the mounting spacer to the oil pan, and the lubricating oil pan adapter mounting. These connections are essential for the proper installation and function of these components.

General Mounting Applications

Across different engine systems, the Hexagon Head Cap Screw is used in general mounting applications. It secures covers, adapters, and mounting components to ensure they remain in place under the dynamic conditions of engine operation.

The consistent use of the Hexagon Head Cap Screw across these diverse components underscores its importance in maintaining the structural integrity and operational efficiency of engine systems.

Conclusion

The 3085751 Hexagon Head Cap Screw by Cummins is a critical component in the assembly and maintenance of heavy-duty trucks and engines. Its robust design, high-strength materials, and precise threading ensure secure fastening and reliable operation across various engine systems. Regular maintenance and proper installation are essential to maximize the screw’s performance and longevity.