3025801
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw is a fundamental component in the realm of commercial trucks, providing secure fastening solutions that are vital for the integrity and functionality of various truck assemblies. Cummins Inc., a renowned manufacturer in the commercial truck industry, produces a range of high-quality components, including the 3025801 Hexagon Head Cap Screw. This screw is designed to meet the demanding requirements of commercial truck operations, ensuring reliable performance and durability 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 tightening and loosening using common tools such as wrenches or sockets. The screw’s design includes external threads that engage with internal threads in a mating part, creating a secure connection. Cap screws are commonly used in mechanical assemblies where high tensile strength and resistance to loosening are required. They play a role in joining components together, ensuring that parts remain firmly in place under various operational conditions ³.

Purpose of the 3025801 Hexagon Head Cap Screw in Truck Operations

The 3025801 Hexagon Head Cap Screw by Cummins is specifically engineered to play a significant role in the operation and maintenance of commercial trucks. It is utilized in various truck assemblies, including engine components, chassis parts, and other critical systems. Typical applications of this screw involve securing engine mounts, attaching body panels, and fastening structural components. Its design ensures that these connections remain intact, contributing to the overall safety and performance of the truck ².

Key Features of the 3025801 Hexagon Head Cap Screw

The 3025801 Hexagon Head Cap Screw boasts several key features that enhance its functionality and durability. It is composed of high-strength materials, typically alloy steel, which provides excellent tensile strength and resistance to wear. The screw features a coarse thread type, which allows for quick and secure fastening. Its hexagonal head design enables easy manipulation with standard tools, ensuring convenient installation and removal. These features collectively contribute to the screw’s ability to withstand the rigors of commercial truck operations ¹.

Benefits of Using the 3025801 Hexagon Head Cap Screw

Utilizing the 3025801 Hexagon Head Cap Screw offers several advantages. The screw’s high-strength material composition ensures enhanced durability and resistance to failure under load. Its corrosion-resistant properties help protect against environmental factors, prolonging its service life. Additionally, the screw’s design allows for easy installation and removal using common tools, reducing maintenance time and effort. Compared to other fasteners, the 3025801 Hexagon Head Cap Screw provides a reliable and efficient fastening solution for commercial truck applications ³.

Installation and Usage Guidelines

Proper installation of the 3025801 Hexagon Head Cap Screw is crucial for ensuring a secure and lasting connection. To install the screw, align it with the corresponding threaded hole in the mating part. Using a wrench or socket, tighten the screw until the desired torque is achieved. It is important to follow recommended torque settings to avoid over-tightening, which can lead to damage, or under-tightening, which may result in an insecure connection. Best practices include using a torque wrench for precise tightening and periodically inspecting the screw to ensure it remains secure during operation ².

Troubleshooting and Maintenance

Common issues associated with Hexagon Head Cap Screws include loosening due to vibration, corrosion, and wear. To identify these issues, regularly inspect the screws for signs of movement, rust, or damage. Maintenance tips to prolong the lifespan of the screw include applying a thread locker to prevent loosening, using corrosion-resistant coatings, and replacing screws that show signs of wear or damage. Routine inspections and timely replacements help maintain the integrity of truck assemblies and ensure safe operation ¹.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, with a rich history of innovation and quality. Founded in 1919, Cummins has established a reputation for producing reliable and high-performance engine and component solutions. The company’s product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding needs of commercial truck operators. Cummins’ commitment to quality is evident in its rigorous testing and manufacturing processes, ensuring that each component, including the 3025801 Hexagon Head Cap Screw, delivers exceptional performance and durability ³.

Hexagon Head Cap Screw 3025801 in Cummins Engines

The Hexagon Head Cap Screw part number 3025801, manufactured by Cummins, is a critical component in a variety of Cummins engines. This screw is utilized across multiple engine models, ensuring secure fastening in various applications. Below is a detailed breakdown of the engines that incorporate this part:

6C Series Engines

• 6C8.3
• C8.3 G
• G8.3

The 6C series engines, including the 6C8.3, C8.3 G, and G8.3, rely on the 3025801 screw for securing critical components. These engines are known for their robust design and are often used in heavy-duty applications.

ISB Series Engines

• ISB CM850
• ISC CM2150
• ISC CM554
• ISC CM850
• ISC8.3 CM2250

The ISB series engines, such as the ISB CM850 and ISC CM2150, among others, utilize the 3025801 screw in several key areas. These engines are designed for both on-highway and off-highway applications, providing reliable performance.

ISL Series Engines

• ISL CM2150
• ISL CM554
• ISL G CM2180
• ISL9 CM2150 SN
• ISL9 CM2250

The ISL series engines, including the ISL CM2150 and ISL9 CM2250, incorporate the 3025801 screw in their assembly. These engines are known for their efficiency and power, making them suitable for a wide range of applications.

ISM Series Engines

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

The ISM series engines, such as the ISM CM570 and ISM11 CM876 SN, also use the 3025801 screw. These engines are designed for high-performance applications, providing excellent durability and reliability.

L10 Series Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

The L10 series engines, including the L10 CELECT and L10 GAS, incorporate the 3025801 screw in their construction. These engines are known for their versatility and are used in various industries.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The M11 series engines, such as the M11 CELECT and M11 MECHANICAL, utilize the 3025801 screw for securing various components. These engines are designed for high-performance applications, providing excellent fuel efficiency and power.

QSC Series Engines

• QSC8.3 CM554

The QSC8.3 CM554 engine also incorporates the 3025801 screw in its assembly. This engine is known for its reliability and is often used in demanding applications.

By using the 3025801 Hexagon Head Cap Screw in these engines, Cummins ensures that all components are securely fastened, contributing to the overall reliability and performance of the engines ².

Role of Part 3025801 Hexagon Head Cap Screw in Engine Systems

The part 3025801 Hexagon Head 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.

Air Connection and Arrangement

In the air connection and arrangement systems, the Hexagon Head Cap Screw is used to fasten components that manage airflow to and from the engine. This includes securing air filters, intake manifolds, and other air pathway components, ensuring a sealed and efficient airflow system.

Turbocharger and Turbocharger Plumbing

For turbochargers, the screw is employed in the turbocharger mounting and plumbing systems. It secures the turbocharger to the engine block and fastens plumbing components that route exhaust gases and cooling fluids, maintaining the turbocharger’s operational integrity.

Base Parts and Block

Within the base parts and engine block, the screw plays a role in fastening critical components such as the crank seal and flywheel housing. It ensures these parts are securely attached, contributing to the engine’s structural stability and operational efficiency.

Covers and Housings

The screw is utilized in various covers and housings, including the cylinder block cover, front gear cover, and front gear housing. It secures these covers, protecting internal components and maintaining the engine’s structural integrity.

Engine Cooling Fan Shroud and Flywheel Housing

In the engine cooling fan shroud and flywheel housing, the screw ensures these components are firmly attached. This is vital for the efficient operation of the cooling system and the reliable function of the flywheel, respectively.

Harness and Wiring

For the electronic control module wiring and other wiring harnesses, the screw is used to secure wiring looms and connectors. This ensures the electrical systems within the engine are safely and reliably fastened, preventing issues related to loose connections.

Plumbing Systems

In plumbing systems for compressor coolant, fuel, and turbocharger, the screw secures pipes, fittings, and connectors. This is essential for maintaining the integrity of fluid pathways, ensuring efficient and safe operation of these systems.

Corrosion Prevention and Rear Power Take-Off Kit

The screw is also used in corrosion prevention systems and the rear power take-off kit. In corrosion prevention, it secures components that protect the engine from environmental damage. In the rear power take-off kit, it ensures the secure attachment of components that transfer engine power to external systems.

Electronic Engine Control and ETR Control Systems

In electronic engine control and ETR control systems, the screw is used to fasten control modules, sensors, and other electronic components. This ensures the reliable operation of the engine’s electronic systems, contributing to overall engine performance and efficiency ³.

Conclusion

The 3025801 Hexagon Head Cap Screw by Cummins is a critical component in the commercial truck industry, providing secure fastening solutions that ensure the integrity and functionality of various truck assemblies. Its high-strength material composition, corrosion-resistant properties, and easy installation make it a reliable and efficient choice for commercial truck applications. Proper installation and maintenance practices are essential to ensure the screw’s longevity and performance, contributing to the overall safety and efficiency of commercial truck operations.