GAC’s IGA225 integrated digital governor and actuator is designed to regulate engine speed on diesel and gaseous fueled engines. The IGA is a suitable up­grade for any mechanical governor system that needs flexibility, precision, or accurate control of governed speed. The IGA is designed for industrial engine applications from generator sets, and mechanical drives, to pumps or compres­sors.

Features:

Optional Accessories:

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The EEG7500 is an enhanced electronic digital speed controller and positioner that operates either GAC’s standard proportional actuators or bidirectional motors.  The EEG7500 provides extra performance and capability in speed governing with optional position feedback control.  This offers precise fuel limiting and flexible authority for torque curve shaping, making it the best choice for variable speed applications.  It also can operate as a positioner allowing for non-governing applications such as lambda or valve control.  It’s compatible with most GAC actuators as well as DC motors like aftermarket Bosch automotive throttle bodies.

  Supports three different operating modes:  standard speed governing, speed governing with position control loop and limit option, and positioner Compatible with GAC proportional actuators or bidirectional DC motors Built-in USB Port for Easy Configuration with Free Software 4 Analog and 2 Discrete Inputs 1 Analog and 3 Discrete Outputs Fully Configurable Accepts 0-5V, 4-20mA, 0-10V or +/-3V Input Signals Full CAN SAE J1939 support (TSC1 speed input, and data/diagnostics)

GAC’s EEG7500 digital governor is designed to regulate engine speed on diesel and gaseous fueled engines. When paired with a GAC actuator or motor, the EEG system is an upgrade for any mechanical governor system that needs flexibility, precision, or accurate control of governed speed. The EEG is designed for industrial engine applications from generator sets, mechanical drives, pumps, compressors, and off-road mobile equipment.

Programmed using GAC’s free Config Tool Software from your PC, the EEG is set up with a user-friendly interface for application configuration as well as diagnostics and ease of troubleshooting.

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EEG7000 Electronic Digital Governor with J1939 TSC1 Capability

GAC’s EEG7000 digital governor is designed to regulate engine speed on diesel and gaseous fueled engines.  When paired with a GAC actuator the EEG is a significant upgrade for any mechanical governor system that needs flexibility, precision or accurate speed control.  The EEG is designed for industrial engine applications from generator sets, mechanical drives, pumps, compressors and off-road mobile equipment.  The EEG7000 is programmed using GAC’s Interface software, consolidating the most popular control features into one user-friendly, compact package. It can be controlled directly over J1939 with aftermarket displays such as ComAp, Dynagen, Murphy, etc.; a solution for every application.

Features:

• Mini-ECU, J1939 TSC1 Control Capable with Diagnostic Messages (DM).
• Isochronous, Variable, or Customizable Droop Governing.
• 3 Fixed Speeds or Variable Speed with Direct 0-5V, 5kΩ, or 4-20mA Input.
• Built-in USB Port for Easy Configuration with Free Software.
• Black-Smoke Reduction, Speed Ramp Control, Load Sharing / Synchronizing Option, and Cummins EFC Capable.
• Built-in Speed Switch Output for Crank or Overspeed.
• Engine Hour Meter and Service Timer.
• Fully Sealed, IP-67.

Order yours today!

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(Multi-VDC / Standard Unit / Isochronous, Variable & Droop Operation / Variable Speed Trim Range / Extended Frequency Range 10.5 kHz)

The ESD5100 Series speed control unit is an all- electronic device designed to control engine speed with fast and precise response to transient load changes. This closed loop control, when connected to a proportional electric actuator and supplied with a magnetic speed sensor signal, will control a wide variety of engines in an isochronous or droop mode. It is designed for high reliability and it’s hard potted to withstand the engine environment.

Features:

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((CE) Standard Unit / Idle Speed Adjustment / Designed for Non-Feedback GAC Actuators)

The ESD2400 Series speed control unit is an all- electronic device designed to control engine speed with fast and precise response to transient load changes. This closed loop control, when connected to a proportional electric actuator and supplied with a magnetic speed sensor signal, will control a wide variety of engines in an isochronous or droop mode. It is designed for high reliability and it’s hard potted to withstand the engine environment.

Features:

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The GAC SSW676 speed switch is a three-element electronic speed switch designed for precise engine speed monitoring and control in generator and industrial applications.

This model provides dedicated outputs for crank termination, overspeed shutdown, and a third mid-speed setting, which can be used for parallel operation, underspeed detection, or general auxiliary control. Powered by a multi-voltage DC supply and paired with a magnetic pickup sensor, the SSW676 delivers consistent and repeatable performance in critical systems.

Features:

• Three-element control for crank, overspeed, and mid-speed functions
• Multi-voltage DC operation
• 5 Amp relay contacts
• Tachometer output for monitoring
• Overspeed test function
• Adjustable and repeatable set points
• Multi-purpose switching capability
• Reverse voltage protection

👉 Message us to confirm lead time or order your SSW676 today.

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The GAC SSW675 speed switch is designed for accurate engine speed monitoring, providing reliable crank termination and overspeed protection for generator and industrial engine applications.

This 2-element electronic speed switch operates on multi-voltage DC power and receives input from a magnetic speed sensor, delivering consistent and repeatable performance in critical systems.

Features:

• Dual-element control for crank termination and overspeed shutdown
• Multi-voltage DC operation
• 5 Amp relay output for dependable switching
• Tachometer output for engine speed monitoring
• Built-in overspeed test function
• Excellent repeatability and set point accuracy
• Reverse voltage protection

Message us to confirm availability or order your SSW675 today.

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The SSW674 from Governors America Corp (GAC) is a single-element electronic speed switch designed to monitor engine RPM and provide dependable control in generator and engine-driven systems. Built for critical overspeed shutdown functionality, the SSW674 helps protect equipment by detecting when engine speed exceeds a user-defined threshold and triggering a control response.

This unit receives input from a magnetic pickup sensor and offers adjustable set points, status LEDs, and a tachometer output for real-time speed monitoring. Whether you’re installing new equipment or replacing a failed component, the SSW674 offers durability and precision for commercial and industrial power applications.

Key Features

• Single speed element for overspeed detection

• Accepts signals from magnetic pickup sensors

• Tachometer output for external monitoring

• Built-in overspeed test function

• LED indicators for clear status display

• Operates on 10–32 VDC power systems

• Compact and field-proven design

The SSW674 is ideal for gensets requiring a simple yet reliable means of monitoring and responding to engine speed. Its easy setup and robust design make it a go-to solution for generator technicians and engineers across Oregon.

Explore More from the SSW Series

GAC’s SSW Series includes other models with additional control features:

• SSW675 – Two-element speed switch (Overspeed, Crank Termination)

• SSW676 – Three-element speed switch (Overspeed, Crank Termination, Paralleling)

Currently a 3-4 week lead time. Message us for a shipping estimate.

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((CE) Anti Wind-Up Circuit / Isochronous, Variable, & Droop Operation / Speed Ramping / Starting Fuel Control / Soft Coupling))

The ESD5500E Series speed control unit is an all- electronic device designed to control engine speed with fast and precise response to transient load changes. This closed loop control, when connected to a proportional electric actuator and supplied with a magnetic speed sensor signal, will control a wide variety of engines in an isochronous or droop mode. It is designed for high reliability and built ruggedly to withstand the engine environment.

Features:

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((CE) Light Force / EFC Forward Acting / Enhanced Droop / Isochronous, Variable, & Droop Operation / Speed Ramping / Starting Fuel Control / Dead Time Compensation)

The ESD5500E Series speed control unit is an all- electronic device designed to control engine speed with fast and precise response to transient load changes. This closed loop control, when connected to a proportional electric actuator and supplied with a magnetic speed sensor signal, will control a wide variety of engines in an isochronous or droop mode. It is designed for high reliability and built ruggedly to withstand the engine environment.

Features:

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