3036453
Overspeed Switch
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,949.95 $2,320.44

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

Introduction

The Cummins 3036453 Overspeed Switch is a critical component designed to monitor and manage the rotational speed of a truck’s engine. It ensures that the engine operates within safe speed limits, contributing to the overall efficiency and safety of the vehicle. This switch is particularly significant in commercial trucks, where maintaining optimal engine performance is essential for productivity and safety.

Basic Concepts of Overspeed Switch

An overspeed switch is a safety device that monitors the rotational speed of an engine. When the engine speed exceeds a predetermined threshold, the switch activates to either limit the fuel supply or shut down the engine, thereby preventing damage from overspeeding. This mechanism is integral to engine management systems, providing a safeguard against excessive engine speeds that could lead to mechanical failure or hazardous conditions 1.

Purpose of the Cummins 3036453 Overspeed Switch

The Cummins 3036453 Overspeed Switch is specifically designed to prevent engine overspeeding in trucks equipped with Cummins engines. By monitoring the engine’s rotational speed, it ensures that the engine does not exceed safe operating limits. This function is vital for protecting the engine from damage, enhancing vehicle safety, and ensuring compliance with operational standards 2.

Key Features

The Cummins 3036453 Overspeed Switch is characterized by its robust design and construction, which includes high-quality materials that ensure durability and reliability. Key features of this switch include its precise speed sensing capabilities, easy integration with Cummins engine management systems, and a design that allows for straightforward installation and maintenance. These attributes contribute to its effective performance in demanding commercial truck environments 3.

Benefits of Using the Cummins 3036453 Overspeed Switch

Utilizing the Cummins 3036453 Overspeed Switch offers several advantages. It enhances engine protection by preventing overspeeding, which can lead to severe engine damage. Additionally, it contributes to improved safety by ensuring the engine operates within safe parameters. For fleet operators, this switch can lead to potential cost savings by reducing the risk of engine-related breakdowns and extending the engine’s operational life.

Installation and Integration

Proper installation and integration of the Cummins 3036453 Overspeed Switch into a truck’s engine management system are crucial for its effective operation. This process involves connecting the switch to the engine’s speed sensor and integrating it with the engine control unit (ECU). Detailed guidelines provided by Cummins ensure that the switch is correctly wired and configured, allowing it to function as intended within the engine management system.

Troubleshooting Common Issues

Common issues with the Cummins 3036453 Overspeed Switch may include inaccurate speed readings or failure to activate at the correct speed. Troubleshooting these problems involves checking the wiring connections, ensuring the switch is correctly configured within the ECU, and verifying that the speed sensor is functioning properly. Cummins provides diagnostic procedures to help identify and resolve these issues, ensuring the switch operates effectively.

Maintenance Tips

To ensure the optimal performance and longevity of the Cummins 3036453 Overspeed Switch, regular maintenance is recommended. This includes periodic inspection of the switch and its connections for signs of wear or damage, cleaning the switch to remove any debris that may affect its operation, and ensuring that it remains correctly configured within the engine management system. Following these maintenance tips helps maintain the switch’s effectiveness and reliability.

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, reliability, and innovation in the commercial truck industry. Its product range includes a variety of engines and components designed to meet the demanding requirements of commercial vehicles, ensuring optimal performance, efficiency, and safety.

Cummins Overspeed Switch 3036453 Compatibility

The Cummins Overspeed Switch part number 3036453 is designed to be compatible with a variety of engine models, ensuring reliable operation across different engine types. This switch is crucial for maintaining engine safety by preventing overspeed conditions, which can lead to severe damage or failure.

Compatible Engines

  • K19, K38, K50: These engines, known for their robust performance and durability, benefit from the precise control provided by the 3036453 Overspeed Switch. This ensures that the engines operate within safe speed limits, enhancing longevity and reliability.
  • M11 MECHANICAL, N14 MECHANICAL: Both of these mechanical engines are designed for heavy-duty applications. The 3036453 Overspeed Switch is engineered to integrate seamlessly with these engines, providing critical overspeed protection that is essential for maintaining operational safety and efficiency.
  • NH/NT 855: This engine series is widely used in agricultural and construction equipment. The 3036453 Overspeed Switch is specifically designed to fit these engines, ensuring that they can handle the demanding conditions of these industries without risking overspeed.
  • V28: Known for its high power output and efficiency, the V28 engine is another model that is compatible with the 3036453 Overspeed Switch. This compatibility ensures that the engine can operate at optimal speeds without the risk of overspeeding, which can lead to catastrophic failures.

Each of these engines, despite their different applications and design specifications, can benefit from the precise and reliable operation provided by the Cummins Overspeed Switch 3036453. This compatibility underscores Cummins’ commitment to providing high-quality, versatile components that enhance engine performance and safety across various engine types.

Role of Part 3036453 Overspeed Switch in Engine Systems

The Part 3036453 Overspeed Switch is an integral component within various engine systems, ensuring the safe and efficient operation of the engine. This switch is typically integrated into the instrument panel, where it plays a significant role in monitoring and controlling engine speed.

Integration with Instrument Panel and Assembly

The Overspeed Switch is often part of the instrument panel assembly. Here, it works in conjunction with other gauges and indicators to provide real-time data on engine performance. The switch is designed to detect when the engine exceeds its safe operating speed, triggering alerts or automatic corrective actions.

Function within Instrument Panel/Enclosure Assembly

In the instrument panel/enclosure assembly, the Overspeed Switch is housed within a protective enclosure. This setup ensures that the switch is shielded from environmental factors while still being readily accessible for maintenance and monitoring. The enclosure also helps in maintaining the integrity of the electrical connections, which are vital for the switch’s operation.

Interaction with Engine Instruments

The switch is closely linked with engine instruments that display RPM (revolutions per minute) and other performance metrics. When the engine speed surpasses the predetermined threshold, the Overspeed Switch activates, signaling the engine monitoring system to take appropriate actions, such as reducing fuel supply or engaging safety protocols.

Role in Safety Controls Assembly

Within the safety controls assembly, the Overspeed Switch acts as a safeguard. It is part of a broader system designed to prevent engine damage and ensure operator safety. By continuously monitoring engine speed, the switch helps in maintaining optimal operating conditions and preventing overspeed-related failures.

Coordination with Speed Switch and System

The Overspeed Switch often works in tandem with other speed switches and the overall engine system. It communicates with the engine control unit (ECU) to adjust parameters in real-time. This coordination ensures that the engine operates within safe limits, enhancing both performance and longevity.

Contribution to Engine Monitoring

Finally, the Overspeed Switch is a key component in the engine monitoring system. It provides essential data that helps in diagnosing potential issues before they escalate. By integrating with other monitoring tools, the switch contributes to a comprehensive engine management strategy, ensuring reliable and efficient engine operation.

Conclusion

The Cummins 3036453 Overspeed Switch plays a vital role in ensuring the safe and efficient operation of Cummins engines. By monitoring and controlling engine speed, it protects the engine from overspeeding, enhances vehicle safety, and contributes to the overall efficiency of commercial trucks. Proper installation, maintenance, and troubleshooting are essential for maximizing the benefits of this critical component.


  1. Crolla, David. Crolla Encyclopedia. Wiley, 2015.

  2. Lakshminarayanan, P. A., and Avinash Kumar Agarwal. Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer, 2019.

  3. Norman, Andrew. Diesel Technology Fundamentals Service Repair Eighth Edition. The Goodheart-Willcox Company Inc, 2016.

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SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
7.25 x 2.3 x 5.0 in
Weight
0.22 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.