3018655
Compression Spring
Cummins®

The Cummins 3018655 Compression Spring is a specialized component designed for use in commercial trucks. It serves a specific function within the truck’s mechanical systems, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and significance is key to appreciating its role in the operation of commercial trucks.

Basic Concepts of Compression Springs

Compression springs are mechanical devices that store energy when compressed. They are widely used in various mechanical systems to absorb shock, maintain force between contacting surfaces, and return to their original shape when the force is removed. These springs are characterized by their coil design, which allows them to compress along their axis ¹.

Purpose of the 3018655 Compression Spring

This Cummins part plays a role in the truck’s mechanical systems by providing necessary force and absorbing shocks. It is specifically designed to fit into the truck’s engine or transmission system, where it helps in maintaining the proper spacing and pressure between moving parts. This ensures smooth operation and reduces wear and tear on the components ².

Key Features

This part is engineered with precision, featuring a design that maximizes its effectiveness in high-stress environments. It is made from high-quality materials that offer durability and resistance to wear. The spring’s unique characteristics, such as its specific coil diameter and wire thickness, are tailored to meet the demanding requirements of commercial truck applications.

Benefits

The use of the 3018655 Compression Spring in truck operations offers several advantages. It enhances the reliability of the truck’s mechanical systems by ensuring consistent performance under varying conditions. Its durable construction contributes to the longevity of the truck, while its efficient design helps in reducing maintenance needs and operational costs.

Installation and Usage

Proper installation of this part is vital for its effective function. It should be installed according to the manufacturer’s guidelines to ensure it fits securely and operates as intended. Care should be taken to avoid over-compression during installation, as this can affect the spring’s performance and lifespan.

Troubleshooting and Maintenance

Regular inspection of this Cummins part is recommended to identify any signs of wear or damage. Common issues may include deformation or loss of spring tension, which can be addressed through proper maintenance or replacement. Keeping the spring clean and free from debris also contributes to its optimal performance.

Common Applications

This part is typically used in various components of commercial trucks, such as the engine and transmission systems. Its versatility makes it suitable for a wide range of applications within these systems, highlighting its importance in the overall functionality of the truck.

Performance Under Various Conditions

This part is designed to perform reliably under different operating conditions. It can withstand varying temperatures, loads, and environments, making it a robust choice for commercial truck applications. Its performance is consistent, ensuring the truck operates efficiently regardless of the conditions.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a rich history in the industry, Cummins is renowned for its high-quality products and innovative technologies. The company’s extensive product range includes engines, filtration systems, and aftermarket parts, all designed to meet the demanding needs of commercial truck operators.

Compression Spring 3018655 Compatibility with Cummins Engines

The Compression Spring part number 3018655, manufactured by Cummins, is a critical component in various engine systems. This spring is designed to fit seamlessly with a range of Cummins engines, ensuring optimal performance and reliability. Below is a detailed overview of the engines with which this compression spring is compatible.

Mechanical Engines

The 3018655 Compression Spring is compatible with several mechanical engines, including:

• L10 MECHANICAL
• N14 MECHANICAL
• NH/NT 855

These engines benefit from the spring’s ability to maintain consistent pressure and support within the engine’s components, ensuring smooth operation and longevity.

Select Engines

The spring also fits with the following select engines:

• M11 CELECT PLUS
• M11 MECHANICAL

In these engines, the compression spring plays a vital role in maintaining the integrity of the engine’s internal mechanisms, contributing to overall efficiency and performance.

Industrial Engines

The 3018655 Compression Spring is also compatible with the following industrial engines:

• 6B5.9
• 6C8.3
• K19
• K38
• K50
• V28
• V903

These engines, often used in heavy-duty applications, rely on the spring’s durability and precision to handle the rigors of continuous operation. The spring’s design ensures that it can withstand the high stresses and demands of these industrial settings.

By integrating the 3018655 Compression Spring into these engines, Cummins ensures that each engine operates at peak efficiency, maintaining the balance and reliability that users expect from their machinery.

Role of Part 3018655 Compression Spring in Engine Systems

This part is integral to the functionality of several engine components, ensuring smooth operation and efficient performance.

In the AFC-VS Fuel Pump/TMD system, this compression spring assists in maintaining consistent fuel pressure, which is essential for optimal engine performance. It works in conjunction with the AFC-VS/Road Speed sensor to adjust fuel delivery based on vehicle speed, enhancing fuel efficiency and power output.

When considering the Engine Installation Kit, the compression spring plays a role in the FP & Gov Sump assembly, where it helps in managing the fuel pressure within the sump, ensuring that the fuel injection pump receives a steady supply of fuel.

In the Fuel (Top Level Assembly) Pump and the Fuel Injection Pump, the compression spring is used to regulate the pressure and flow of fuel, contributing to precise fuel delivery to the engine cylinders. This is particularly important in high-performance engines where fuel delivery timing and pressure are paramount.

The Fuel Pump and Fuel Pump & Acc Drive systems also benefit from the inclusion of this compression spring. It ensures that the fuel pump operates within its designed parameters, providing consistent fuel pressure to the engine.

For the Fuel Pump AFC, Fuel Pump Body, and Fuel Pump Coupling, the compression spring is essential in maintaining the mechanical integrity of the fuel pump assembly. It helps in absorbing shocks and vibrations, prolonging the lifespan of the fuel pump components.

In the Fuel Pump KV12 Uncalibrated and Fuel Pump Pump systems, the spring ensures that the uncalibrated fuel pump can be fine-tuned for specific engine requirements, allowing for customization and optimization of fuel delivery.

The Injector Stand Audit Kit utilizes the compression spring to maintain consistent pressure within the injector stand, ensuring accurate fuel metering during audits and maintenance procedures.

For systems like Non AFC-Auto FP/B-C and Non AFC-Auto FP/Bosch, the compression spring is vital in regulating fuel pressure in non-AFC fuel pump systems, ensuring compatibility and performance across different fuel pump designs.

In the Woodward PSG Governor system, the compression spring assists in modulating the governor’s response to changes in engine load and speed, contributing to stable engine operation and efficient fuel usage.

Overall, the part 3018655 Compression Spring is a key component in various fuel pump and engine systems, playing a significant role in ensuring reliable and efficient engine performance.

Conclusion

The 3018655 Compression Spring is a vital component in the mechanical systems of commercial trucks, particularly those equipped with Cummins engines. Its role in maintaining consistent pressure, absorbing shocks, and ensuring smooth operation of engine components underscores its importance in the reliability and efficiency of truck operations. Proper installation, regular maintenance, and understanding its applications across various engine types are essential for maximizing the benefits of this part.