3628377
Electrical Governor Actuator
Cummins®

The Electrical Governor Actuator (Part #3628377) by Cummins is a component designed to regulate engine speed and performance in commercial trucks. Its role is significant in ensuring that the engine operates efficiently and smoothly under various conditions.

Basic Concepts

Electrical Governor Actuators are integral to the engine management system. They function by receiving signals from the engine control unit (ECU) and adjusting the engine’s speed to match the desired performance levels. This regulation is crucial for maintaining optimal engine operation, especially under varying load conditions ¹.

Purpose and Role

The 3628377 Electrical Governor Actuator plays a role in controlling engine speed, which is vital for the operation of a truck. It ensures that the engine maintains the correct speed for efficient performance, optimizes fuel efficiency, and provides smooth operation regardless of the load. This component helps in adapting the engine’s performance to the specific demands of the driving conditions, enhancing overall vehicle efficiency ².

Key Features

The 3628377 Electrical Governor Actuator is characterized by its precision control capabilities, which allow for fine adjustments to engine speed. It is built to be durable, ensuring long-term reliability in demanding commercial truck applications. Additionally, it is designed to be compatible with Cummins engines, ensuring seamless integration and performance ³.

Benefits

The use of the 3628377 Electrical Governor Actuator offers several benefits. It contributes to improved engine performance by ensuring that the engine operates within its optimal speed range. This results in enhanced fuel efficiency, as the engine consumes less fuel when operating efficiently. Furthermore, it helps in reducing emissions, contributing to better environmental performance ⁴.

Troubleshooting and Maintenance

When troubleshooting issues related to the 3628377 Electrical Governor Actuator, it is important to follow diagnostic procedures to identify the root cause of any malfunctions. Common failure modes may include electrical faults or mechanical wear. Regular maintenance practices, such as inspecting electrical connections and ensuring the actuator is free from debris, can help in maintaining optimal performance and longevity .

Integration with Engine Management System

The 3628377 Electrical Governor Actuator integrates with the engine management system to regulate engine speed and performance. It responds to signals from the ECU, adjusting the engine’s speed in real-time to match the driving conditions and driver inputs. This dynamic regulation ensures that the engine operates efficiently across a range of scenarios .

Impact on Fuel Efficiency

The 3628377 Electrical Governor Actuator plays a role in optimizing engine operation for maximum efficiency. By precisely controlling engine speed, it helps in minimizing fuel consumption. This optimization is particularly beneficial in commercial truck applications, where fuel efficiency directly impacts operational costs .

Environmental Considerations

The use of the 3628377 Electrical Governor Actuator contributes to reduced emissions and improved air quality. By ensuring that the engine operates efficiently, it minimizes the release of harmful pollutants. This environmental benefit is an important aspect of its role in modern commercial truck engines .

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its high-quality engine solutions. With a rich history of innovation and a diverse product portfolio, Cummins has established a strong reputation for reliability and performance in the market. The company’s commitment to excellence is reflected in its range of components, including the 3628377 Electrical Governor Actuator.

Cummins Electrical Governor Actuator 3628377 Compatibility

The Cummins Electrical Governor Actuator part number 3628377 is designed to integrate seamlessly with a range of Cummins engines, ensuring precise control over engine speed and performance. This actuator is engineered to work with the following engines:

• K38 Engine Family
• K50 Engine Family

For the K38 engine family, the 3628377 actuator is a critical component that interfaces with the engine’s electronic control system. It ensures that the engine maintains optimal performance by regulating the fuel injection timing and quantity, which is crucial for both efficiency and power output.

In the K50 engine family, the 3628377 actuator operates in a similar fashion, providing essential feedback to the engine control module (ECM). This feedback loop allows the ECM to adjust engine parameters in real-time, ensuring that the engine operates within its designed parameters under varying load conditions.

The compatibility of the 3628377 actuator with these engine families underscores its versatility and reliability. Cummins has designed this part to meet the stringent demands of modern diesel engines, ensuring that it can withstand the rigors of heavy-duty applications while providing precise control over engine operations.

Role of Part 3628377 Electrical Governor Actuator in Engine Systems

The Electrical Governor Actuator (Part 3628377) is integral to the operation of several engine components, ensuring precise control and efficient performance. Here’s how it interfaces with various engine systems:

Interaction with the Fuel Pump

The Electrical Governor Actuator works in tandem with the fuel pump to regulate fuel delivery. By receiving signals from the Engine Control Module (ECM), it adjusts the fuel pump’s output to match the engine’s demand, optimizing fuel efficiency and performance.

Coordination with GAC Governor

When integrated with a GAC Governor, the actuator enhances the governor’s ability to maintain consistent engine speed under varying loads. This synergy ensures that the engine operates smoothly, reducing wear and tear on mechanical components.

Integration with Governors America Corporation Governor Kit

In systems utilizing a Governors America Corporation Governor Kit, the Electrical Governor Actuator provides electronic precision to the mechanical governor’s functions. This combination allows for fine-tuned control over engine speed and load, improving overall engine responsiveness and reliability.

Communication with Engine Control Module

The actuator communicates directly with the Engine Control Module (ECM), receiving data on engine parameters such as load, speed, and temperature. Based on this information, it makes real-time adjustments to the fuel delivery and engine timing, ensuring optimal performance across a range of operating conditions.

Overall System Enhancement

By precisely controlling fuel delivery and engine timing, the Electrical Governor Actuator contributes to the efficiency and durability of the engine. Its role in modern engine systems cannot be overstated, as it bridges the gap between mechanical components and electronic control, leading to enhanced performance and reliability.

Conclusion

The 3628377 Electrical Governor Actuator by Cummins is a critical component in the efficient operation of commercial truck engines. Its precise control capabilities, compatibility with various Cummins engines, and integration with the engine management system make it an essential part of modern diesel technology. The benefits of using this actuator include improved fuel efficiency, reduced emissions, and enhanced engine performance, contributing to the overall reliability and environmental performance of commercial trucks.