3085886
Plain Washer
Cummins®

The Cummins 3085886 Plain Washer is a component designed for use in heavy-duty truck applications. It serves a specific function within the mechanical systems of these vehicles, contributing to their overall performance and reliability. Understanding its purpose and significance is important for maintaining and optimizing truck operations.

Basic Concepts of Plain Washers

Plain washers are simple yet vital components in mechanical systems. They are typically flat, annular objects that distribute load, prevent damage to surfaces, and provide spacing between parts. In operation, plain washers help to evenly distribute the force exerted by fasteners, reducing the risk of surface damage and ensuring a secure fit. They are commonly made from materials such as steel, stainless steel, brass, or nylon, chosen for their durability, resistance to wear, and corrosion properties ¹.

Purpose of the Cummins 3085886 Plain Washer

The Cummins 3085886 Plain Washer plays a role in various truck systems by providing necessary spacing, load distribution, and surface protection. It is applied in areas where fasteners are used to secure components, ensuring that the force is evenly distributed to prevent damage and maintain the integrity of the connection. Its use is widespread across different truck systems, enhancing the reliability and performance of the vehicle ².

Key Features

The Cummins 3085886 Plain Washer is characterized by specific dimensions, material properties, and design specifications tailored for heavy-duty applications. It is constructed from materials that offer high durability and resistance to wear and corrosion, ensuring it can withstand the demanding conditions of truck operations. Its design is optimized for load distribution, providing a stable and secure connection between components ³.

Benefits

Using the Cummins 3085886 Plain Washer offers several advantages. Its durability ensures long-term performance under heavy-duty conditions. The washer’s ability to distribute load effectively reduces the risk of surface damage and component failure. Additionally, its resistance to wear and corrosion contributes to the overall longevity and reliability of truck components, enhancing vehicle performance.

Installation and Usage

Proper installation of the Cummins 3085886 Plain Washer is important for its effective function within the truck’s mechanical systems. It should be placed correctly under fasteners to ensure even load distribution and secure connections. Following manufacturer guidelines for torque settings and installation procedures helps to maximize the washer’s performance and lifespan.

Troubleshooting and Maintenance

Common issues with plain washers, such as wear or improper installation, can affect their performance. Regular inspection for signs of wear or damage is important for maintaining the washer’s effectiveness. Replacing worn washers and ensuring correct installation practices can help prolong their lifespan and ensure optimal performance within the truck’s systems.

Cummins Overview

Cummins Inc. is a leading manufacturer of diesel engines and related technologies, with a history of innovation and quality in the automotive and heavy-duty truck industries. The company’s commitment to producing reliable and high-performance components, including the 3085886 Plain Washer, underscores its role in enhancing the efficiency and durability of heavy-duty vehicles.

Compatibility of Cummins 3085886 Plain Washer with Cummins Engines

The Cummins 3085886 Plain Washer is designed to fit a variety of Cummins engines. Below is a detailed description of its compatibility across different engine models:

4B3.9 and 6B5.9 Engines

This washer is compatible with the 4B3.9 and 6B5.9 engines. These engines are part of the earlier Cummins lineup and are known for their robust performance in various applications.

B5.6 CM2670 B152B, B5.9 G, B5.9 GAS PLUS CM556

The 3085886 Plain Washer fits seamlessly with the B5.6 CM2670 B152B, B5.9 G, and B5.9 GAS PLUS CM556 engines. These engines are designed for specific applications, ensuring that the washer provides the necessary support and sealing.

B6.7 CM2350 B135B, B6.7 CM2670 B153B, B6.7 G CMOH6.0 B125

This washer is also suitable for the B6.7 CM2350 B135B, B6.7 CM2670 B153B, and B6.7 G CMOH6.0 B125 engines. These engines are part of the B6.7 series, known for their reliability and efficiency.

ISB Series

The Plain Washer 3085886 fits the following ISB engines:

• ISB CM2150
• ISB CM550
• ISB CM850
• ISB/ISD6.7 CM2150 SN
• ISB4.5 CM2350 B104
• ISB6.7 CM2250

These engines are widely used in various industries due to their performance and durability.

ISBE Series

The washer is also compatible with the ISBE engines:

• ISBE CM2150
• ISBE CM800
• ISBE4 CM850

These engines are designed for applications requiring high power and efficiency.

K19 and KTA19GC Series

The Plain Washer 3085886 fits the K19 and KTA19GC engines, including:

• KTA19GC CM558

These engines are known for their high torque and reliability.

QSB Series

The 3085886 Plain Washer is also suitable for the QSB engines:

• QSB4.5 CM850(CM2850)
• QSB5.9 30 CM550
• QSB5.9 44 CM550
• QSB6.7 CM2250
• QSB6.7 CM850(CM2850)

These engines are designed for a variety of applications, providing excellent performance and efficiency.

Role of Part 3085886 Plain Washer in Engine Systems

In the intricate assembly of engine systems, the Cummins 3085886 Plain Washer serves a significant function by ensuring the proper fit and sealing of various components. This washer is integral in maintaining the structural integrity and operational efficiency of the engine.

Integration with Oil Pan and Related Components

The Plain Washer is commonly used in the assembly of the oil pan and its associated components. When installing the oil pan adapter, the washer ensures a snug fit between the adapter and the engine block, preventing oil leaks and maintaining the lubricating system’s efficiency. Similarly, in the lubricating oil pan adapter mounting, the washer plays a role in securing the adapter firmly in place, which is essential for the consistent flow of oil to critical engine parts.

Valve and Gear Cover Applications

In the valve cover arrangement, the Plain Washer assists in sealing the cover to the cylinder head, ensuring that no oil escapes and that the valve train remains properly lubricated. For the gear cover conversion kit, the washer is used to maintain the alignment and sealing of the gear cover, which is vital for the smooth operation of the camshaft and other timing components.

Mounting and Plumbing Connections

The Plain Washer is also instrumental in the mounting of various engine components. For instance, in the oil pan/noise panel mtg., it helps in securing the noise panel to the oil pan, reducing vibrations and enhancing the overall stability of the engine assembly. In plumbing applications, such as connections to the turbocharger, the washer ensures that all fittings are leak-free, maintaining the turbocharger’s efficiency and the engine’s performance.

Motor and Starting System

In the motor and starting system components, the Plain Washer is used to ensure that all electrical and mechanical connections are tight and secure. This is particularly important in the starting system, where loose connections can lead to starting difficulties and reduced reliability.

Comprehensive Engine Assembly

Overall, the Cummins 3085886 Plain Washer is a small yet essential component in the comprehensive assembly of engine systems. Its role in sealing, aligning, and securing various parts cannot be overstated, as it contributes to the engine’s durability, efficiency, and overall performance.

Conclusion

The Cummins 3085886 Plain Washer is a critical component in heavy-duty truck applications, providing essential functions such as load distribution, surface protection, and secure connections. Its compatibility with a wide range of Cummins engines underscores its versatility and importance in maintaining the performance and reliability of these vehicles. Proper installation, regular maintenance, and understanding its role within engine systems are key to maximizing the benefits of this Cummins part.