Description
The Woodward 8256-009 stands as a robust, high-precision actuator engineered for the Electrical Powered Governor (EPG) series. This unit is specifically configured for counter-clockwise rotation, playing a vital role in regulating the fuel supply for various fuel-based engines. By translating electrical signals from the governor control unit into precise mechanical positioning of the engine’s fuel rack or throttle, it ensures consistent speed stability under varying load conditions.
Reliability in power generation and industrial engine management depends on the seamless integration of control hardware. As a Woodward 8256-009 component, this actuator provides the durable mechanical response required for long-term engine performance. It is fully engineered to integrate with the 8290-027 and 8290-030 controller series, creating a cohesive control loop that maintains engine efficiency.
Technical Specifications
- Product Name: EPG Counter-Clockwise Actuator
- Model Number: 8256-009
- Rotation Direction: Counter-Clockwise (CCW)
- Compatibility: Woodward 8290-027 and 8290-030 Control Units
- Application: Speed governing for fuel-based industrial engines
- Weight: Approximately 2.1 kg
- Dimensions: Designed for standard governor mounting bolt patterns
- Origin: Produced under strict Woodward manufacturing and quality standards
Frequently Asked Questions
⚙️ Why is the direction of rotation (CCW) critical for this actuator? The rotation direction must match the mechanical requirements of your specific engine’s fuel linkage system. Installing a CCW actuator where a Clockwise (CW) unit is required will cause the governor to operate in reverse, resulting in an immediate and dangerous loss of speed control.
🔩 Does the 8256-009 require specialized linkage adjustments? Yes, successful installation requires careful calibration of the linkage between the actuator shaft and the fuel rack. It is essential to ensure that the actuator’s full travel corresponds exactly to the engine’s idle-to-maximum-fuel range.
⚠️ Can I pair this with controllers other than the 8290-027 or -030? While the 8256-009 is optimized for the 8290 series, it is designed for the broader EPG system. However, compatibility depends on the current output requirements and voltage matching. Always verify the impedance and control logic compatibility before attempting to pair it with legacy or non-standard governors.
🛠️ What are the primary signs of an aging actuator? Common symptoms include sluggish response times, inconsistent engine speed (hunting), or excessive mechanical play in the output shaft. If the actuator requires significantly more current to hold a position than it did when new, the internal windings or bearings may be reaching the end of their service life.
Recommended Woodward Series Models
To ensure comprehensive engine management, the following Woodward EPG and control series are commonly used in conjunction with this actuator:
- Woodward 8290-027 EPG Control
- Woodward 8290-030 EPG Control
- Woodward 512 EPG Controller
- Woodward 524 EPG Controller
- Woodward 1712 EPG Actuator Series
- Woodward 1724 EPG Actuator Series
- Woodward 8256-008 (Clockwise variant)
- Woodward EG-3P Actuator
- Woodward EG-6P Actuator
- Woodward L-Series Electric Actuator

