4893517
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flanged Head Cap Screw, identified by Part #4893517, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This part is integral to the assembly and maintenance of commercial trucks, providing secure fastening solutions that contribute to the overall reliability and performance of truck components.

Basic Concepts

A Hexagon Flanged Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange beneath the head. This design allows for efficient tightening and loosening using a wrench or socket, while the flange provides additional surface area to distribute the load and prevent the screw from sinking into the material. In the context of truck mechanics, these screws are utilized for their robust fastening capabilities, ensuring components remain securely attached under various operational conditions ¹.

Purpose and Role in Truck Operation

This Cummins part plays a significant role in the operation and maintenance of commercial trucks. It is employed in various truck components and systems where secure fastening is required. This includes, but is not limited to, engine components, chassis parts, and body panels. The screw’s design ensures that it can withstand the vibrations and stresses encountered during truck operation, maintaining the integrity of the fastened components.

Key Features

The Hexagon Flanged Head Cap Screw boasts several key features that enhance its effectiveness and reliability in truck applications. Its hexagonal head allows for precise and efficient tightening, reducing the risk of damage to the screw or the surrounding material. The flange beneath the head provides additional bearing surface, which helps distribute the load and prevents the screw from pulling through the material. Additionally, the cap screw functionality ensures a clean, flush installation, which is particularly beneficial in applications where aesthetics or aerodynamics are considerations ².

Benefits

Utilizing Hexagon Flanged Head Cap Screws in truck maintenance and assembly offers several advantages. These screws provide enhanced fastening security, ensuring that components remain firmly attached under heavy-duty conditions. Their design facilitates ease of installation, allowing for quick and efficient assembly or disassembly when necessary. Furthermore, the durability of these screws under demanding operational conditions contributes to the longevity and reliability of truck components.

Installation and Usage

Proper installation and usage of the Hexagon Flanged Head Cap Screw are vital to ensure optimal performance and longevity. When installing, it is important to use the correct tools to avoid damaging the screw or the surrounding material. Ensuring that the screw is tightened to the manufacturer’s specified torque is crucial to achieve the desired fastening security without over-tightening, which could lead to damage. Regular inspection and maintenance of the screws can help identify any signs of wear or loosening, allowing for timely adjustments or replacements.

Troubleshooting and Maintenance

Common issues with Hexagon Flanged Head Cap Screws in trucks may include loosening over time due to vibrations or corrosion. Regular inspections can help identify screws that require tightening or replacement. In cases where corrosion is present, it may be necessary to clean the affected area and apply a suitable anti-corrosion treatment to prevent further degradation. Maintaining the screws in good condition is key to ensuring continued reliable performance and preventing potential failures in truck components.

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 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 commercial truck applications. Cummins’ focus on quality, reliability, and performance ensures that its components, including the Hexagon Flanged Head Cap Screw, contribute to the efficient and safe operation of commercial trucks.

Hexagon Flanged Head Cap Screw 4893517 in Cummins Engines

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

B Series Engines

The B Series engines, including the B5.9 GAS PLUS CM556, B6.7 CM2350 B135B, and B6.7 CM2670 B153B, utilize the 4893517 screw in their construction. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The screw’s design allows for precise and secure fastening, which is crucial for maintaining the engine’s structural integrity.

F Series Engines

The F Series engines, such as the F2.8 CM2620 F135B, F3.8 CM2350 F128C, and F4.5 CM2620 F141C, also incorporate the 4893517 screw. These engines are designed for versatility and efficiency, often used in a variety of applications from construction to transportation. The screw’s hexagonal flanged head provides a stable and secure connection, essential for the engine’s operational efficiency.

ISB Series Engines

The ISB Series engines, including the ISB CM850, ISB5.9 CM2880 B140, ISB5.9 CM2880 B149, and ISB6.7 G CM2180 B118, are equipped with the 4893517 screw. These engines are known for their durability and performance, often used in demanding environments. The screw’s design ensures that the engine components remain securely fastened, contributing to the engine’s longevity and reliability.

ISBE, ISC, and ISF Series Engines

The ISBE CM800, ISC CM2150, ISC CM850, and ISF2.8 CM2220 F129 engines also use the 4893517 screw. These engines are designed for a range of applications, from industrial to commercial use. The screw’s precision and strength are critical for maintaining the engine’s structural integrity and ensuring optimal performance.

ISG and ISL Series Engines

The ISG11 CM2880 G108, ISG12 CM2880 G107, ISG12 G CMOH6.0 G111, ISL CM2150, and ISL9 CM2150 SN engines incorporate the 4893517 screw. These engines are known for their efficiency and reliability, often used in heavy-duty applications. The screw’s design ensures that the engine components remain securely fastened, contributing to the engine’s performance and longevity.

ISX Series Engines

The ISX12 G CM2180 EJ and ISX12/ISX11.9 CM2250 engines also utilize the 4893517 screw. These engines are designed for high-performance applications, often used in demanding environments. The screw’s precision and strength are critical for maintaining the engine’s structural integrity and ensuring optimal performance.

L9 Series Engines

The L9 CM2670 L128B engine incorporates the 4893517 screw. This engine is designed for specific applications, often used in specialized equipment. The screw’s design ensures that the engine components remain securely fastened, contributing to the engine’s performance and longevity.

QSB Series Engines

The QSB5.9 CM850 and QSB6.7 CM2350 B105 engines also use the 4893517 screw. These engines are known for their durability and performance, often used in demanding environments. The screw’s precision and strength are critical for maintaining the engine’s structural integrity and ensuring optimal performance.

Role of Part 4893517 Hexagon Flanged Head Cap Screw in Engine Systems

This part is integral to the assembly and securement of various components within engine systems. Its robust design ensures reliable fastening, which is essential for the proper functioning and durability of the engine.

Auxiliary Pump

In the auxiliary pump system, the Hexagon Flanged Head Cap Screw is used to secure the pump housing to the engine block. This ensures that the pump remains firmly in place, allowing it to efficiently transfer fluids without the risk of misalignment or leakage.

Cabin Heater Plumbing

For the cabin heater plumbing, this screw plays a role in securing the plumbing connections to the engine block and other components. This ensures a stable and leak-free connection, which is vital for the efficient transfer of heated coolant to the cabin.

Camshaft

In the camshaft assembly, the Hexagon Flanged Head Cap Screw is employed to secure the camshaft to the engine block or cylinder head. This ensures precise alignment and reduces the risk of camshaft movement, which could lead to engine performance issues.

Charge Air Bypass Arrangement

Within the charge air bypass arrangement, this screw is used to fasten components that regulate the flow of air around the turbocharger. Secure fastening is essential to maintain the integrity of the bypass system and ensure consistent engine performance.

Compressor Coolant Plumbing

For the compressor coolant plumbing, the screw is utilized to secure the plumbing connections to the compressor and engine block. This ensures a stable and leak-free system, which is crucial for maintaining optimal compressor temperature and performance.

Connecting Rod and Piston

In the connecting rod and piston assembly, the Hexagon Flanged Head Cap Screw is used to secure the connecting rod to the crankshaft. This ensures that the rod remains firmly attached, allowing for smooth and efficient power transmission from the piston to the crankshaft.

Electronic Control Module Wiring Harness

The screw is also used in securing the electronic control module (ECM) wiring harness to the engine block or other components. This ensures that the wiring remains organized and protected, reducing the risk of electrical issues.

Engine Control Module

In the engine control module (ECM) assembly, the screw is employed to secure the ECM to its mounting location. This ensures that the ECM remains stable and protected, allowing for accurate engine management and control.

Engine Coolant Vent

For the engine coolant vent, the screw is used to secure the vent components to the engine block. This ensures a stable and leak-free connection, which is essential for proper coolant venting and engine temperature regulation.

Exhaust Recirculation Water Plumbing

In the exhaust recirculation water plumbing system, the screw is utilized to secure the plumbing connections to the engine block and other components. This ensures a stable and leak-free system, which is vital for efficient exhaust recirculation and emissions control.

Flywheel Housing

The Hexagon Flanged Head Cap Screw is used to secure the flywheel housing to the engine block. This ensures that the flywheel remains firmly in place, allowing for smooth power transmission from the engine to the transmission.

Fuel Control Module

In the fuel control module assembly, the screw is employed to secure the module to its mounting location. This ensures that the module remains stable and protected, allowing for accurate fuel management and control.

Fuel Drain Plumbing

For the fuel drain plumbing, the screw is used to secure the plumbing connections to the fuel tank and other components. This ensures a stable and leak-free system, which is essential for safe and efficient fuel drainage.

Fuel Filter

In the fuel filter assembly, the screw is utilized to secure the filter to the fuel lines. This ensures that the filter remains firmly in place, allowing for effective filtration of contaminants from the fuel.

Fuel Pump

The Hexagon Flanged Head Cap Screw is used to secure the fuel pump to the fuel tank or engine block. This ensures that the pump remains stable and protected, allowing for efficient fuel delivery to the engine.

Fuel System Accessories

For fuel system accessories, the screw is employed to secure various components to the fuel lines and engine block. This ensures that accessories remain firmly in place, allowing for efficient and reliable fuel system operation.

Injector Plumbing

In the injector plumbing system, the screw is used to secure the plumbing connections to the fuel rail and engine block. This ensures a stable and leak-free system, which is vital for precise fuel delivery to the engine cylinders.

Injector Supply Plumbing

For the injector supply plumbing, the screw is utilized to secure the plumbing connections to the fuel tank and fuel rail. This ensures a stable and leak-free system, which is essential for consistent fuel supply to the injectors.

Performance Parts

In performance parts assemblies, the Hexagon Flanged Head Cap Screw is used to secure various components to the engine block or other parts. This ensures that performance parts remain firmly in place, allowing for enhanced engine performance and reliability.

Refrigerant Compressor

For the refrigerant compressor, the screw is employed to secure the compressor to the engine block or mounting bracket. This ensures that the compressor remains stable and protected, allowing for efficient refrigerant compression and climate control.

Turbocharger Arrangement

In the turbocharger arrangement, the screw is used to secure the turbocharger to the engine block or exhaust manifold. This ensures that the turbocharger remains firmly in place, allowing for efficient boosting of engine air intake.

Turbocharger Cool Drain / Vent Tube

For the turbocharger cool drain / vent tube, the screw is utilized to secure the tube to the turbocharger and engine block. This ensures a stable and leak-free connection, which is essential for proper turbocharger cooling and venting.

Turbocharger Coolant Plumbing

In the turbocharger coolant plumbing system, the screw is used to secure the plumbing connections to the turbocharger and engine block. This ensures a stable and leak-free system, which is vital for maintaining optimal turbocharger temperature and performance.

Turbocharger Oil Plumbing

For the turbocharger oil plumbing, the screw is employed to secure the plumbing connections to the turbocharger and engine block. This ensures a stable and leak-free system, which is essential for efficient turbocharger lubrication and protection.

Water Outlet Connection

In the water outlet connection, the Hexagon Flanged Head Cap Screw is used to secure the outlet to the engine block. This ensures a stable and leak-free connection, which is vital for proper coolant flow and engine temperature regulation.

Conclusion

The Hexagon Flanged Head Cap Screw, Part #4893517, manufactured by Cummins, is a critical component in the assembly and maintenance of commercial trucks and Cummins engines. Its robust design and key features ensure reliable fastening, contributing to the overall reliability and performance of truck components and engine systems. Proper installation, regular maintenance, and timely troubleshooting are essential to maximize the benefits of this part and ensure the efficient and safe operation of commercial trucks and engines.