205784
Plain Washer
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$134.95 $160.59

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 205784 Plain Washer is a component designed for use in commercial truck operations. It serves a specific function within the mechanical systems of these vehicles, contributing to their overall efficiency and reliability. Understanding its purpose and role is fundamental for anyone involved in the maintenance and operation of commercial trucks.

Basic Concepts of Plain Washers

Plain washers are simple yet vital components in mechanical systems. They are flat, annular metal rings that are placed under bolt heads or nuts to distribute the load over a larger area, preventing damage to the surface. Additionally, plain washers can provide a degree of cushioning and help to reduce vibration. They operate by creating a uniform pressure distribution, which can enhance the stability and longevity of the components they are used with 1.

Purpose of the Cummins 205784 Plain Washer

The Cummins 205784 Plain Washer is specifically designed to play a role in the fastening systems of commercial trucks. It is applied in various truck components where secure and durable connections are required. This washer helps in distributing the load from bolts and nuts, ensuring that the fastening is even and that the connected parts remain securely in place under operational stress.

Key Features

The Cummins 205784 Plain Washer is characterized by several key features that enhance its functionality. It is typically made from high-quality steel, which provides the necessary strength and durability for heavy-duty applications. The dimensions of the washer are precisely engineered to fit specific applications, ensuring optimal performance. Its design is straightforward, with a flat surface that allows for even load distribution.

Benefits of Using Plain Washers

Incorporating plain washers like the Cummins 205784 in truck maintenance and assembly offers several advantages. These washers help in distributing loads more evenly, which can prevent damage to the surfaces they are applied to. They also contribute to reducing vibrations, which can be particularly beneficial in the dynamic environment of a commercial truck. Additionally, the material composition of these washers often includes corrosion-resistant properties, enhancing their longevity in various operational conditions 2.

Installation and Usage Guidelines

Proper installation of the Cummins 205784 Plain Washer involves placing it under the head of a bolt or nut before tightening. It is important to ensure that the washer is correctly aligned and that it lies flat to achieve the desired load distribution. Best practices for usage include checking the washer for any signs of wear or damage before installation and ensuring that it is compatible with the specific application. Common applications within truck maintenance include use in engine components, chassis parts, and various fastening points throughout the vehicle.

Troubleshooting and Maintenance

Identifying common issues with plain washers involves checking for signs of wear, deformation, or corrosion. Regular maintenance practices, such as inspecting washers during routine checks and replacing them when necessary, can help ensure the longevity of the components they are used with. It is advisable to replace the Cummins 205784 Plain Washer if it shows any signs of damage or if it has been in service for an extended period, to maintain the integrity of the fastening system.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. 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 range includes engines, filtration systems, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicle operations. Cummins’ commitment to quality and innovation has made it a trusted name among fleet operators and maintenance professionals 3.

Cummins Engine Part 205784: Plain Washer Compatibility

The Cummins part 205784, a Plain Washer, is designed to fit a variety of Cummins engines, ensuring a secure and leak-proof connection in various applications. This part is integral to maintaining the integrity of engine connections and is compatible with the following engines:

  • 6C8.3 Series: The Plain Washer 205784 is used in the 6C8.3 engine series, providing essential sealing and support for critical engine connections.
  • K19 Series: The Plain Washer 205784 is compatible with the K19 engine, ensuring proper sealing and alignment in various engine components.
  • K38 Series: This washer fits seamlessly into the K38 engine, supporting the structural integrity of engine connections and preventing leaks.
  • K50 Series: The Plain Washer 205784 is also suitable for the K50 engine, offering reliable sealing and support for engine components.
  • KTA19GC CM558: The KTA19GC CM558 engine utilizes the Plain Washer 205784 for critical sealing and support functions, ensuring optimal engine performance.
  • KTA38GC CM558: Similarly, the KTA38GC CM558 engine benefits from the Plain Washer 205784, which provides essential sealing and alignment.
  • QSK19 Series: The Plain Washer 205784 is compatible with the QSK19 engine, including models QSK19 CM2350 K105 and QSK19 CM2350 K114, ensuring secure connections and preventing leaks.
  • QSK19 CM500: The QSK19 CM500 engine uses the Plain Washer 205784 for critical sealing and support functions.
  • QSK19 CM850 MCRS: The QSK19 CM850 MCRS engine also relies on the Plain Washer 205784 for maintaining the integrity of engine connections.
  • QSK38 CM2150 MCRS: The Plain Washer 205784 is used in the QSK38 CM2150 MCRS engine, providing essential sealing and support.
  • QSK50 Series: The QSK50 engine series, including models QSK50 CM2150 K107, QSK50 CM2150 MCRS, QSK50 CM2350 K108, utilizes the Plain Washer 205784 for critical sealing and support functions, ensuring optimal engine performance and reliability.

Role of Part 205784 Plain Washer in Engine Systems

In the intricate world of engine systems, the part 205784 Plain Washer assumes a significant role in ensuring the seamless operation of various components. This unassuming yet vital component is instrumental in maintaining the efficiency and reliability of the engine.

Drive and Accessory Systems

Within the drive and accessory systems, the Plain Washer is employed to facilitate smooth rotational movement. It is positioned between rotating components and stationary parts, reducing friction and wear. This is particularly important in the accessory drive, where components like the auxiliary pump and front gear train accessory rely on consistent and efficient operation.

Hydraulic Systems

In hydraulic systems, the Plain Washer is integral to the operation of the hydraulic drive, hydraulic pump, and hydraulic pump drive. It ensures that the hydraulic pump and its associated drives function without undue friction, which could otherwise lead to increased wear and potential failure. The Plain Washer is also used in the front hydraulic pump and the hydraulic pump support, contributing to the overall stability and efficiency of the hydraulic system.

Fuel Systems

The Plain Washer plays a role in the fuel systems as well. In the fuel pump and the fuel transfer kit, it helps in maintaining the integrity of the fuel flow by ensuring that moving parts within these systems operate smoothly. Additionally, in the fuel transfer pump mounting, the Plain Washer aids in securing the pump in place while allowing for necessary movement without excessive friction.

Mounting and Support Systems

In mounting systems such as the engine mounting and the fuel system accessory mounting, the Plain Washer is used to distribute load and reduce friction between the mounting brackets and the engine or accessory. This is essential for the longevity and performance of the mounting systems.

Lubrication and Filtration

For components like the filter, full flow oil, and the lubricating oil scavenge pump, the Plain Washer ensures that oil flows freely and efficiently through the system. This is vital for maintaining proper lubrication and filtration, which are key to the engine’s overall health.

Specialized Systems

In specialized systems such as the K19 scavenge pump and the standard 50 w/brake turbocharger, the Plain Washer contributes to the precise operation of these components. Its role in these systems is to ensure that all moving parts interact smoothly, thereby enhancing the performance and reliability of the engine.

Transfer Pump and Drive

Lastly, in the transfer pump & drive and the EBM-drive, the Plain Washer is used to facilitate the efficient transfer of fluids and the smooth operation of drive mechanisms. This is essential for the consistent performance of these systems.

Conclusion

In summary, the Cummins 205784 Plain Washer, though small in stature, plays a substantial role in the operation and maintenance of various engine systems. Its application across different components underscores its importance in ensuring the smooth and efficient functioning of the engine.


  1. Happian-Smith, Julian. An Introduction to Modern Vehicle Design. Butterworth-Heinemann, 2002.

  2. Dixon, John. Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition. Cengage Learning, 2014.

  3. Hu, Haoran, Rudy Smaling, and Simon Baseley. Heavy-Duty Wheeled Vehicles. SAE International, 2014.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
2.0 x 2.0 x 0.5 in
Weight
0.1 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.