2871345
Regular Hexagon Nut
Cummins®

The 2871345 Regular Hexagon Nut is a component manufactured by Cummins, a well-established name in the commercial truck industry. This nut is specifically designed for use in commercial trucks, where it plays a significant role in the assembly and maintenance of various truck components.

Basic Concepts of Regular Hexagon Nuts

A regular hexagon nut is a type of fastener characterized by its six-sided shape, which allows for efficient tightening and loosening using standard hexagonal socket wrenches. The design of a hexagon nut ensures that it can be securely fastened without slipping, providing a reliable connection in various mechanical applications. In fastening applications, these nuts are used to secure bolts, screws, and other threaded components, ensuring that parts remain firmly in place under operational stress ¹.

Purpose of the 2871345 Regular Hexagon Nut in Truck Operation

This Cummins part is integral to the assembly and maintenance of commercial trucks. It is used to secure various components, ensuring that parts remain firmly attached under the demanding conditions of truck operation. This nut is particularly important in applications where vibrations and dynamic loads are common, as it helps maintain the integrity of the truck’s structure and systems ².

Key Features

The 2871345 Regular Hexagon Nut features a hexagonal shape that allows for easy and secure fastening. It is composed of high-quality materials, typically steel, which provides the necessary strength and durability for heavy-duty applications. The nut has a specific thread size that matches the bolts it is designed to secure, ensuring a proper fit and reliable connection. Additionally, it may feature special coatings or treatments to enhance its resistance to corrosion and wear, extending its service life in harsh environments ³.

Benefits

The 2871345 Regular Hexagon Nut offers several benefits that make it suitable for use in commercial trucks. Its durable construction ensures long-lasting performance, even under demanding conditions. The nut’s design resists loosening, which is crucial for maintaining secure connections in dynamic environments. Furthermore, its compatibility with standard tools simplifies installation and maintenance, making it a practical choice for truck operators and mechanics.

Installation Guidelines

Proper installation of the 2871345 Regular Hexagon Nut is crucial for ensuring reliable performance. To install this nut, first, ensure that the mating thread is clean and free of debris. Place the nut onto the threaded component and begin tightening it using a hexagonal socket wrench. Follow the manufacturer’s torque specifications to achieve the correct tightness without over-tightening, which could damage the threads or the nut itself. It is recommended to use a torque wrench for precise tightening.

Troubleshooting Common Issues

Common issues associated with regular hexagon nuts include loosening, corrosion, and damage. If a nut appears loose, it should be re-tightened to the specified torque. Corrosion can be addressed by cleaning the affected area and applying a corrosion-resistant coating. Damaged nuts should be replaced to ensure the integrity of the connection. Regular inspections can help identify and address these issues before they lead to more significant problems.

Maintenance Tips

To ensure the longevity and reliable performance of the 2871345 Regular Hexagon Nut, periodic inspections and maintenance are recommended. Inspect the nut and its mating components for signs of wear, corrosion, or damage. Re-torque the nut as needed to maintain the proper tightness. Additionally, keeping the threads clean and free of debris will help prevent issues and ensure smooth operation.

Cummins 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 in the commercial truck industry for producing reliable and high-performance components. The company’s product offerings include engines, powertrains, and aftermarket parts, all designed to meet the demanding needs of commercial truck operators. Cummins is known for its commitment to quality, innovation, and customer satisfaction, making it a trusted name in the industry.

Cummins Engine Compatibility with Regular Hexagon Nut Part 2871345

The Regular Hexagon Nut part 2871345, manufactured by Cummins, is a versatile component that fits into various engine models. This part is integral for securing and maintaining the structural integrity of the engines, ensuring smooth operation and reliability. Below is a detailed description of its compatibility with different Cummins engine models:

F2.8 Series Engines

The Regular Hexagon Nut part 2871345 is compatible with the following F2.8 series engines:

• F2.8 CM2620 F135B
• ISF2.8 CM2220 F117
• ISF2.8 CM2220 F129

QSF2.8 Series Engines

This nut is also suitable for the QSF2.8 series engines, which include:

• QSF2.8 CM2880 F104
• QSF2.8 CM2880 F105
• QSF2.8 CM2880 F108
• QSF2.8 CM2880 F114

QSK Series Engines

The Regular Hexagon Nut part 2871345 fits into the QSK series engines, specifically:

• QSK60 CM500
• QSK60 CM850 MCRS
• QSK78 CM500

QSX Series Engines

For the QSX series engines, this part is compatible with:

• QSX11.9 CM2250 ECF
• QSX15 CM2250
• QSX15 CM2250 ECF

R2.8 Series Engines

Lastly, the Regular Hexagon Nut part 2871345 is also suitable for the R2.8 series engine:

• R2.8 CM2220 R101B

This compatibility ensures that the Regular Hexagon Nut part 2871345 can be used across a broad range of Cummins engines, providing a reliable and secure fastening solution.

Role of Part 2871345 Regular Hexagon Nut in Engine Systems

The Part 2871345 Regular Hexagon Nut is integral in securing various components within engine systems, ensuring stability and proper function.

In aftertreatment devices, this nut is used to fasten components such as the aftertreatment filter, ensuring it remains securely in place during operation. This is vital for the efficient reduction of emissions.

For the coolant heater starting system, the nut plays a role in mounting the device, which is essential for preheating the engine coolant, facilitating easier starts in cold conditions.

In the air cleaner assembly, the nut is employed in the mounting process, securing the air cleaner to the engine, which is fundamental for maintaining clean air intake and optimal engine performance.

Within the lubricating oil system, the nut is utilized in the plumbing and connections of the engine oil primer. This ensures a consistent flow of lubricant to critical engine components, reducing wear and enhancing longevity.

The nut is also found in the mounting of rocker levers and associated components. This secure attachment is necessary for the precise operation of the valve train, directly influencing engine efficiency and performance.

In the instrument panel and engine instrument systems, the nut aids in the secure installation of various sensors and modules, such as the engine coolant level sensor. Accurate readings from these instruments are essential for monitoring engine health and performance.

Overall, the Part 2871345 Regular Hexagon Nut is a fundamental fastening component across multiple engine systems, contributing to the reliability and functionality of the engine as a whole.

Conclusion

The 2871345 Regular Hexagon Nut is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its durable construction, ease of installation, and compatibility with various engine models make it an essential part for ensuring the reliability and performance of truck and engine systems. Regular maintenance and proper installation are key to maximizing the benefits of this nut, contributing to the overall efficiency and longevity of the vehicles it serves.