105831
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw, specifically Part #105831 by Cummins, is a vital component in the realm of commercial trucks. Cummins, a renowned manufacturer in the industry, produces this screw to meet the demanding requirements of heavy-duty applications. This part is integral to the assembly and maintenance of commercial trucks, ensuring secure fastening across various components.

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 torque application using a wrench or socket. The screw’s design includes a threaded shaft that engages with internal threads in the mating part, providing a strong and reliable connection. In fastening applications, these screws are used to join components securely, distributing load and resisting loosening over time ¹.

Purpose of the 105831 Hexagon Head Cap Screw in Truck Operation

This Cummins part plays a significant role in the assembly and maintenance of commercial trucks. It is utilized in various truck components, including engine mounts, chassis assemblies, and body panels. The screw ensures that these components remain securely fastened, contributing to the overall structural integrity and performance of the truck ².

Key Features of the 105831 Hexagon Head Cap Screw

The 105831 is designed with several key features that make it suitable for heavy-duty applications. Its hexagonal head allows for precise torque application, reducing the risk of cam-out during installation. The screw is manufactured from high-grade material, offering excellent durability and resistance to corrosion. Additionally, the thread pitch is optimized to provide a strong grip and reliable fastening in demanding environments ³.

Benefits of Using the 105831 Hexagon Head Cap Screw

Using this part offers several advantages. Its durable construction ensures long-lasting performance, even under heavy loads and harsh conditions. The screw’s design resists loosening, maintaining a secure connection over time. Furthermore, the hexagonal head facilitates easy installation and removal, enhancing efficiency during maintenance procedures.

Installation Guidelines

Proper installation of the 105831 is crucial for secure and reliable fastening. Begin by ensuring the mating threads are clean and free of debris. Use a wrench or socket to apply even torque, avoiding excessive force that could damage the screw or the mating part. It is important to achieve the recommended torque specification to ensure a proper connection without over-tightening.

Maintenance and Troubleshooting

Regular maintenance of the 105831 is essential to ensure continued performance. Inspect the screw periodically for signs of corrosion, wear, or damage. If corrosion is detected, clean the affected area and apply a suitable corrosion-resistant coating. In the event of stripping or damage, replace the screw to maintain the integrity of the fastening.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its high-quality products and innovative solutions. With a rich history spanning several decades, Cummins has established a strong reputation for reliability and performance. The company offers a wide range of products, including engines, powertrain components, and aftermarket parts, designed to meet the needs of commercial truck operators worldwide.

Engine Compatibility with Hexagon Head Cap Screw Part 105831

This Cummins part, a Hexagon Head Cap Screw, is designed to fit a variety of Cummins engines. This part is integral in securing various components within the engine assembly, ensuring stability and reliability. Below is a detailed breakdown of the engines that are compatible with this screw:

Cummins 4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines, known for their robust performance and durability, utilize the 105831 screw in several critical applications. These engines are often found in heavy-duty applications, and the screw’s strength and precision are essential for maintaining the integrity of the engine’s components.

ISM CM570 and QSM11 CM570 Engines

Both the ISM CM570 and QSM11 CM570 engines benefit from the use of the 105831 screw. These engines are designed for high-performance applications and require reliable fastening solutions to handle the stresses involved. The screw’s design ensures that components remain securely fastened under demanding conditions.

M11 CELECT PLUS and M11 MECHANICAL Engines

The M11 CELECT PLUS and M11 MECHANICAL engines are another set where the 105831 screw is a critical component. These engines are known for their efficiency and power, and the screw’s role in maintaining the structural integrity of the engine is vital. The precision and durability of the screw help ensure that the engine operates smoothly and reliably.

N14 MECHANICAL Engine

The N14 MECHANICAL engine also relies on the 105831 screw for various fastening needs. This engine is designed for heavy-duty applications, and the screw’s ability to withstand high stress and provide a secure fit is crucial for the engine’s performance.

L10 MECHANICAL and NH/NT 855 Engines

The L10 MECHANICAL and NH/NT 855 engines are another group where the 105831 screw is used extensively. These engines are known for their reliability and performance in demanding environments. The screw’s design ensures that components are held firmly in place, contributing to the overall durability and efficiency of the engine.

Each of these engines, while differing in specific applications and performance characteristics, shares a common need for reliable fastening solutions. The 105831 Hexagon Head Cap Screw, manufactured by Cummins, meets these needs by providing a robust and precise fastening option that is essential for the proper functioning of the engine components.

Role of Part 105831 Hexagon Head Cap Screw in Various Engine Components

This part is integral to the assembly and functionality of numerous engine components. Its robust design ensures secure fastening, which is essential for the reliable operation of the following components:

Accessories

Hexagon Head Cap Screws are utilized in the mounting and securing of various accessories to the engine. This includes ensuring that components such as the electric starting system are firmly attached, providing stability and reliability during operation.

Electric Starting

In the electric starting system, these screws play a role in securing the starter motor to the engine block. This ensures that the starter motor remains in place and functions correctly when initiating engine start-up.

Alternator and Alternator Mounting

The alternator, which generates electrical power for the engine’s electrical systems, relies on Hexagon Head Cap Screws for secure mounting. These screws ensure that the alternator is properly aligned and attached to the engine, maintaining efficient power generation.

Bilge Pump

For marine engines, the bilge pump is essential for removing water from the bilge area. Hexagon Head Cap Screws are used to secure the bilge pump in place, ensuring it operates effectively to prevent water accumulation.

Conversion Kit

When retrofitting an engine with a conversion kit, these screws are employed to secure new components to the existing engine structure. This ensures that the conversion is seamless and that all new parts are correctly installed.

EBM: Tubing, Fuel, and Fuel Mounting

In engine bay management (EBM) systems, Hexagon Head Cap Screws are used to secure tubing and fuel lines. This is vital for maintaining the integrity of the fuel system and ensuring safe and efficient fuel delivery.

Fan Arrangement, Fan Bracket, and Fan Support

These screws are critical in the assembly of the fan arrangement, securing the fan bracket and support structures. This ensures that the cooling fan operates correctly, maintaining optimal engine temperature.

Heat Exchanger

In heat exchanger systems, Hexagon Head Cap Screws are used to secure the heat exchanger to the engine. This is important for efficient heat transfer and maintaining engine performance.

Hydraulic Pump

For engines equipped with hydraulic systems, these screws secure the hydraulic pump to the engine, ensuring it operates smoothly and efficiently.

MUTC Kit and Repower Kit

During engine repowering or when using a MUTC (Marine Universal Transmission Case) kit, Hexagon Head Cap Screws are essential for securing new components to the engine, ensuring a stable and reliable installation.

Air Compressor Mounting and Alternator Package

These screws are used in the mounting of air compressors and alternator packages, ensuring these components are securely attached and function correctly.

Guard and Pressure Sender

Hexagon Head Cap Screws secure guards and pressure senders to the engine, protecting sensitive components and ensuring accurate pressure readings.

Rad. Cooling System, Radiator, and Sensor

In the radiator and cooling system, these screws are used to secure the radiator and various sensors, ensuring efficient cooling and accurate monitoring of engine parameters.

Support Fan Hub, W.P. Idler Pulley Kit, and Water Pump

These screws are vital in the assembly of the support fan hub, water pump idler kit, and water pump. They ensure that these components are securely attached, contributing to efficient engine cooling and operation.

Water Pump Idler Kit

Finally, in the water pump idler kit, Hexagon Head Cap Screws are used to secure the idler pulley, ensuring smooth operation of the water pump and maintaining consistent coolant flow.

Conclusion

The 105831 Hexagon Head Cap Screw by Cummins is a critical component in the assembly and maintenance of commercial trucks and various engine components. Its robust design, durable construction, and precise torque application make it an essential part for ensuring secure fastening and reliable operation in heavy-duty applications.